Terms of Service

Version 1.6 · Last updated: October 13, 2026 · Effective: October 13, 2026

Change from v1.4 (§12): the routine importer, in writing. The feature that reads a routine (text, photo or PDF) and proposes it as a table already existed; §12 now declares it, what is sent to the AI service and who is responsible for what is uploaded.

Change from v1.2 (§9.9 and §13): paid plans, in writing. §13 said the platform was free and that athletes never paid Zanza; today there are subscriptions for professionals and the Pro plan for athletes. The new §13 explains how they are charged, renewed and cancelled, refunds, price changes, founder pricing and discount codes. The free plan is still free and asks for no card. §9.9 adds how to report content that infringes someone's rights. It takes effect on the day it is published: nothing changes for current users — the free plan stays the same and nobody had bought a paid plan — and anyone who chooses to pay does so under these terms.

From v1.1 to v1.2 (§9.4, §9.6 and §9.7): videos no longer expire — the free plan keeps 3 at a time, with a 1 GB ceiling — and 12 months without signing in removes your photos and videos, with three email notices and without touching your workouts, logs, measurements or records.

From v1.0 to v1.1 (§9.6 and §13.4): permanent storage became plan-dependent, and content over the free limit is removed 90 days after a Pro plan ends, with three notices.

In case of any discrepancy, the Spanish version (Términos y Condiciones) prevails.

1. Who provides the service


Provider	Alejandro Sánchez Saucedo, sole proprietor, Mexico
Address	Prolongación Matamoros #100, Eulalio Gutiérrez, C.P. 25903, Ramos Arizpe, Coahuila, Mexico
Contact	hola@zanzahq.com
Brand	Zanza (trademark application pending before IMPI; formerly "RoadToFit" / "Road")

2. What you accept

By creating an account, accepting an invitation, or using the app or dashboard, you accept these Terms and the Privacy Policy, which forms an integral part of them. If you do not agree, do not use the platform.

3. Eligibility

You must be 18 or older. The platform processes health data, body photographs, and lab results; it is neither designed nor permitted for minors.
You must have legal capacity to enter into a contract.
You must provide truthful, current information. Your age, sex, weight, height, and health history determine how your training load is computed: false data produces the wrong prescription, and that is your responsibility.
You must not have been previously suspended from the platform.

4. What Zanza is (and is not)

Zanza is software for fitness professionals to design, assign, and monitor training programs, and for their athletes to execute and log them.

4.1 Zanza is NOT

❌ Not a medical, diagnostic, or treatment service.
❌ Not a medical device, and it does not claim to be. The figures it shows (estimated 1RM, TSS, HRV, progress indices, zones) are estimates for training purposes, computed with formulas from the sports-science literature — not clinical measurements.
❌ Not your coach. Your program is decided by the professional you hired, or by you in "on my own" mode.
❌ Not a substitute for a physician, physiotherapist, or dietitian.

4.2 Account types

Athlete (trains with a professional), Professional (trainer, nutritionist, or organization using the dashboard), and On my own / self-coached (their own professional, with both surfaces).

5. The athlete–professional relationship

The coaching contract is between you and your professional. Zanza is not a party to it. We provide the software; someone else provides and charges for the professional service.
We do not verify the credentials, certifications, degrees, or experience of professionals on the platform, and we neither supervise, approve, nor review the programs they design. Choosing your professional is your responsibility; the quality of the program is theirs.
We are not liable for training or nutrition plans, advice, instructions, omissions, or conduct of any professional.
Payments to your professional are strictly between the two of you. The platform does not charge, receive, hold, or refund that money: it only records what your coach marks as paid. Billing disputes are resolved directly between you.
When the relationship ends, your professional stops receiving new data from you but keeps the record of the period during which they trained you.
Your professional may contact you through external channels (WhatsApp, email). Those communications are governed by those services' terms, not ours.

6. Health, risk, and disclaimer

READ THIS SECTION IN FULL. It is the most important part of this document.

6.1 Consult a physician first

Before starting or substantially changing an exercise program, consult a physician, especially if you have or suspect: cardiovascular disease, hypertension, diabetes, asthma, epilepsy, a recent injury or surgery, joint or bone pain, an eating disorder, pregnancy or postpartum status, or if you take medication affecting heart rate, blood pressure, or balance.

6.2 Assumption of risk

Physical training carries inherent risks, including but not limited to muscle, joint, bone, and tendon injuries, dizziness, fainting, heat stroke, rhabdomyolysis, heart attack and, in extreme cases, death. By using the platform you knowingly and voluntarily assume those risks.

6.3 Stop exercising

Stop immediately and seek medical attention if you feel chest pain, disproportionate shortness of breath, dizziness, blurred vision, palpitations, sharp pain, or any symptom you do not recognize. No number in the app — no plan, no goal, no streak — is worth more than that.

6.4 Nothing the app shows is medical advice

Plans, percentages, 1RM estimates, heart-rate zones, suggested loads, lab reference ranges, and AI-assisted messages are training information, not medical advice. Lab reference ranges are indicative only, and only a physician can interpret your results.

6.5 Logging discomfort is not requesting medical help

The discomfort and pain-mapping feature exists so your coach can adjust your program. It is not an emergency channel, it is not monitored by healthcare staff, and nobody guarantees it will be read in time. In an emergency, call emergency services.

6.6 Device data

Data arriving from your watch, heart-rate strap, trainer, or your phone's health aggregator is produced by that device, not by us. Its accuracy depends on the manufacturer. We do not warrant its precision and do not use it for diagnostic purposes.

7. Your account

You are responsible for keeping your password confidential and for everything that happens under your account. An account belongs to one person only — do not share or transfer it. Notify hola@zanzahq.com immediately if you suspect unauthorized access.

8. Acceptable use

You may not: use the platform for anything unlawful, or to provide health services without the license your jurisdiction requires; upload another person's content without their consent — especially photographs or videos of third parties; upload sexual, violent, discriminatory, defamatory, or infringing content; impersonate anyone or misrepresent your professional credentials; access (or attempt to access) data of people you have no active relationship with on the platform; scrape, reverse-engineer, decompile, or security-test the platform without our written permission; overload the infrastructure, evade rate limits, or interfere with the service; or resell, sublicense, or white-label the platform absent a written agreement.

We may suspend or terminate accounts that breach this section, without refund, and without prior notice where the breach is serious.

9. Your content

Your content is yours. Photos, videos, notes, measurements, and logs you upload remain your property.
You grant us a limited, non-exclusive, revocable license, sublicensable only to our infrastructure providers, solely to store, process, and display that content to you — and to your professional when you authorize it — for the purpose of providing the service. If you are a professional and publish your profile in the directory, §A.5 also applies. This license ends when you delete the content or your account, except for backups, which rotate as described in the Privacy Policy.
We do not use your content for advertising, to train AI models, or to license it to third parties commercially.
Your technique videos are kept for as long as your plan covers them; they do not expire on their own. The free plan keeps 3 at a time: to upload a new one when you already have three, delete one. Videos uploaded before September 9, 2026 are still deleted automatically ~90 days after upload, because they were stored under the previous rule.
You may delete your content at any time from the app.
How much is kept depends on your plan. The free plan permanently keeps 20 photos, 3 videos and up to 1 GB, and the Pro plan keeps all your photos and videos, with a fair-use ceiling of 100 GB. In both cases, files your professional attaches when correcting you — an annotated image, a video reply — are kept for as long as the video they answer and count towards your space, because they are part of your record. Nothing you already have is removed because this limit starts to apply: only new content above it is refused.
If you stop using Zanza for a year, we remove your photos and videos. This is not an account closure: your workouts, logs, measurements and records stay untouched, and you can come back whenever you want. Only the files go, which are what actually takes up space. We email you three times during the preceding 90 days, and simply opening the app before the date keeps everything.
If your Pro plan ends, you have 90 days. During that window you can choose what to keep within the free limit, download it, or return to Pro and keep everything. We email you three times during those 90 days. After the window, content over the free limit is removed; if you choose nothing, we automatically keep your oldest and most recent photos, which are the ones that make a comparison useful. Your workouts, logs, measurements and records are never touched: this window affects photos and videos only.
Reporting content. If you believe something published on Zanza infringes your copyright or any other right, or is illegal, email hola@zanzahq.com stating what the content is, where it is, why you believe it infringes and your contact details. We review it, may remove it, and notify whoever uploaded it, who can respond. We close the accounts of repeat infringers. Inside the app you can also report a comment, a photo or a video, or the person who sent it, from the content itself.

10. Our content and intellectual property

The software, design, the Zanza brand, texts, the structure of the exercise, test, and measurement catalogs, the coaching guides, and the calculation models are ours or our licensors', protected by intellectual property law. We grant you a personal, limited, revocable, non-exclusive, non-transferable license to use the platform under these Terms.

Third-party content: the catalog includes reference illustrations from open, public-domain databases, and assessment protocols described in our own words from scientific and reference literature, cited where appropriate. Rights in the original works belong to their authors.

Professional's content: the programs, templates, questionnaires, and libraries a professional creates in their account are theirs. We only host them and show them to the athletes they designate.

11. Third-party services

Apple Health and Health Connect are additionally subject to Apple's and Google's terms; data read from them requires your explicit OS permission, and sharing it with your coach requires an additional in-app toggle. Sign-in with Google or Apple is also governed by their terms. WhatsApp messages travel under Meta's terms. Bluetooth sensors depend on their manufacturer.

We are not responsible for the operation, availability, or practices of these third parties.

12. AI assistance

The platform may offer three AI assistance features: one that drafts follow-up messages from an athlete's weekly figures; one that analyzes an athlete's progress over a period and suggests to the professional what to review or adjust; and one that reads an uploaded routine (text, photo or document) and proposes it as a table to review before saving. The first two are for professionals; the importer is also for people who program themselves.

It is assistance, not professional judgment. A person reviews, edits, and decides to send a draft; only the professional sees an analysis; and nothing the importer reads is saved until someone reviews and confirms it. Nothing is ever sent or saved automatically.
It does not produce medical advice or diagnoses and is explicitly instructed not to. An analysis points out patterns in the data, not causes.
A language model can be wrong. The professional is responsible for what they send and for what they decide based on an analysis, exactly as if they had written or concluded it themselves.
For a message or an analysis, the external AI service receives only the athlete's nickname and figures — their weekly figures for a message; aggregated figures for the period, without their written comments, for an analysis, plus any context the coach adds (dated periods and a short note, without names or diagnoses) — never their full name, email, or phone. The importer sends it whatever the uploaded document contains; whoever uploads it is responsible for not including other people's personal data that isn't needed to read the routine. An Excel file or a PDF with text is converted in the browser and only the text is sent. Details are in §7.2 of the Privacy Policy.

13. Pricing, payments, and subscriptions

Free plan. Using Zanza on the free plan costs nothing and asks for no payment method, for professionals and athletes alike.
Paid plans. We offer subscriptions for professionals (by number of active athletes) and the Pro plan for athletes. Before paying you see, next to the button, the price, the currency and whether it is charged monthly or yearly; that is what is charged. Prices in Mexican pesos include VAT (IVA).
Where you pay. On the web, payment is processed by Stripe. Inside the app, payment is taken by Apple (App Store) or Google (Google Play) through your store account, and is also governed by their terms. We never see or store your card details.
Automatic renewal. Your subscription renews automatically at the end of each period, for the same period, until you cancel it.
How to cancel. If you paid on the web: from your dashboard, under Subscription (or Your plan) → Billing and cancel. If you paid in the app: in your App Store or Google Play account subscriptions. You keep the plan until the end of the period already paid and it does not renew afterwards. On the App Store you must cancel at least 24 hours before renewal to avoid being charged for the next period.
Refunds. Periods already paid are not refunded, except where applicable law requires it or where the charge was our mistake. Purchases made on the App Store or Google Play are refunded under Apple's or Google's policies, and are requested from them.
Price changes. We email you at least 30 days in advance. The new price applies from the next renewal, never retroactively, and you may cancel before it takes effect.
Founder pricing. The first professionals to subscribe, up to the number of spots announced on the pricing page, keep the rate of the day they joined even if list prices go up later, for as long as their subscription stays active, including when they change tier. If they cancel and the paid period ends, they lose that rate: on returning, the current price applies. A founder spot is used up once taken and is not offered again even if its holder cancels.
Discount codes. A code applies only to the periods it states. After that the regular price is charged, which you see before paying.
Athletes and their professional. What an athlete pays for their professional's service is agreed and paid outside the platform (§5.4); Zanza is not involved in that money. The athlete Pro plan is optional and does not replace that payment.
If a professional later falls behind on a subscription, their account is expected to become read-only, and their athletes will keep access through the end of the period already paid for. An athlete's training data — sessions, logs, measurements, records and progress — is never deleted because their professional stopped paying. The only exception is photos and videos over the free plan limit, and only with the 90-day window and three notices described in §9.7.
We issue the tax receipts required by applicable law.

14. Availability, changes, and product status

The platform is under active development. It may contain bugs, and some features are experimental or marked "coming soon". We do not warrant it is error-free or uninterrupted.
We may modify, suspend, or withdraw features. If we withdraw a feature your core use depends on, we will give reasonable prior notice.
We take verified daily backups, but we recommend you keep your own copy of anything critical to you.
We may perform scheduled maintenance, aiming to give notice when it affects the service.

15. Warranties and limitation of liability

15.1 No implied warranties

To the maximum extent permitted by applicable law, the platform is provided "as is" and "as available", without warranties of merchantability, fitness for a particular purpose, accuracy of calculations, or training results. We do not guarantee any physical, athletic, or body-composition outcome.

15.2 Cap on liability

To the maximum extent permitted by law, we are not liable for indirect, incidental, special, punitive damages, or lost profits. Our total aggregate liability is limited to the greater of (a) what you paid us in the 12 months preceding the event, or (b) MXN $2,000.00 if you have paid us nothing.

15.3 What this cap does NOT cover

Nothing in these Terms excludes or limits our liability for willful misconduct, gross negligence, fraud, death, or personal injury caused by our negligence, nor any non-waivable right the law grants you.

If you are a consumer, you keep every right granted to you by Mexico's Federal Consumer Protection Law or by the consumer legislation of your country of residence, including EU consumer rules where applicable. This section applies only as far as that legislation allows.

16. Indemnification

You agree to hold us harmless from third-party claims arising from (i) your breach of these Terms; (ii) content you upload; and (iii) if you are a professional, the services you provide to your athletes through the platform and your processing of their personal data.

17. Suspension and termination

You may close your account at any time. Write to privacidad@zanzahq.com from your account email and we will delete it within 30 calendar days; details at https://zanzahq.com/eliminar-cuenta.
We may suspend or close your account if you breach these Terms, if your use endangers other people or the platform, or if the law requires it.
On closure, you lose access and your data is deleted or anonymized per the Privacy Policy, except what we must retain by law. Your professional keeps the record of the period they trained you.
Clauses 6, 9.2, 10, 15, 16, and 18 survive termination.

18. Governing law and disputes

These Terms are governed by the laws of the United Mexican States.
Before going to court, both parties will attempt to resolve the matter in good faith by writing to hola@zanzahq.com. We commit to replying within 30 calendar days.
The parties submit to the competent courts of Ramos Arizpe, Coahuila, waiving any other venue.
If you are a consumer, this clause does not deprive you of the right to sue in the courts of your domicile or to approach your consumer protection authority (in Mexico, PROFECO).

19. General

Severability; no waiver; you may not assign these Terms without our consent, while we may assign them in a reorganization or sale with prior notice; changes will be published at https://zanzahq.com/terms with version and date, with at least 15 calendar days' notice for material changes; and these Terms are published in Spanish and English — the Spanish version prevails in case of discrepancy.

Annex A — Additional terms for professionals

Applies in addition to everything above if you use Zanza to train other people.

A.1 Your professional standing. You represent that you hold the training, certification, license, or authorization your jurisdiction requires. We do not verify this; the responsibility, and the consequences of practicing without it, are entirely yours.

A.2 Your responsibility for the program. You are solely responsible for the design, progression, load, and safety of the programs you assign, and for adapting them to your athletes' injuries and health conditions. The platform calculates and warns; you decide.

A.3 Data protection — you are an independent controller. You must: give each athlete your own privacy notice; obtain their express consent before capturing sensitive data (health, measurements, lab work, body photographs); upload only what you need; not register anyone under 18; not upload data about people who are not your athletes; handle rights requests addressed to you; notify us within 24 hours of any suspected unauthorized access; and protect your credentials — your account opens the health record of every athlete you train. See the Data Protection Annex for Professionals.

A.4 Charging your athletes. You charge on your own account and under your own tax regime. The platform only keeps your ledger. You are responsible for your tax obligations and for issuing the receipts required. We are not a payment intermediary and we withhold no taxes.

A.5 Public directory. If you enable your public profile, you agree that your name, title, bio, specialties, and photo are shown publicly. You may turn it off at any time. What you publish must be truthful: do not advertise certifications you do not hold and do not promise guaranteed results.

A.6 Messaging. When you use the messaging feature — with or without AI assistance — you are responsible for the content sent and for complying with applicable commercial communications rules.

Annex B — App store specific terms

B.1 Apple App Store

These Terms are concluded between you and us, not with Apple. We, not Apple, are solely responsible for the app and its content.
Apple has no obligation to furnish any maintenance or support for the app.
If the app fails to conform to any applicable warranty, you may notify Apple, and Apple will refund the purchase price (if any); to the maximum extent permitted by law, Apple has no other warranty obligation whatsoever.
Apple is not responsible for addressing any claims by you or a third party relating to the app, including product liability, regulatory compliance, or consumer protection claims.
If a third party claims the app infringes their intellectual property rights, we, not Apple, are responsible for the defense and resolution.
You represent that you are not located in a country subject to a U.S. Government embargo and are not listed on any U.S. Government list of prohibited or restricted parties.
Apple and its subsidiaries are third-party beneficiaries of these Terms and may enforce them against you.
Your license is the one described in clause 10 and is limited to Apple-branded devices you own or control, subject to the Usage Rules of the Apple Media Services Terms and Conditions.

B.2 Google Play

If you obtained the app from Google Play, your use is additionally subject to the Google Play Terms of Service. Google is not a party to these Terms and is not responsible for the app.

B.3 Platform health data

Per Apple's (HealthKit) and Google's (Health Connect) policies, health data obtained from those platforms: is never used for advertising or marketing; is never sold or shared with data brokers or third parties for commercial purposes; is used exclusively for the health and fitness features described in the Privacy Policy; and is processed with your express, revocable consent.

20. Contact


General and support	hola@zanzahq.com
Privacy	privacidad@zanzahq.com
Address	Prolongación Matamoros #100, Eulalio Gutiérrez, C.P. 25903, Ramos Arizpe, Coahuila, Mexico

Drafted from the actual state of the product on August 25, 2026.