How to Build Your Own Gym Software and Sell It as a Subscription, Without Coding (2026)
A practical path from software for one gym to a product other gyms pay for monthly: what to build first, how billing works on two levels, keeping each gym’s data apart, and the phone app.
Key Takeaways
- Pick a gym type, not “gyms.”. A climbing gym, a martial arts school and a strength-and-conditioning box run on different rules. Software that fits one type closely is easier to sell than software that fits all of them loosely.
- Run it in one real gym first. A month of daily use at one gym finds the gaps a demo never shows: freezes, guest passes, the 6 a.m. class that is always full. Those fixes are what the next gym will pay for.
- There are two layers of billing. Gyms pay you a monthly subscription, and members pay their gym. Charging gyms is straightforward; collecting member payments on each gym’s behalf is a bigger, regulated job. Start with the first.
- Data separation is the product. Every member, class and payment record must belong to exactly one gym, and the server must check it on every request. One leak between gyms can end the business.
- One member app for every gym. Apple’s guideline 4.3(a) discourages submitting many copies of the same app. A single app where members pick their gym is the safer route to the App Store.
Quick-Start Prioritization Framework
| Stage | What to build | Effort | Time |
|---|---|---|---|
| 1. One gym | Members, memberships, class schedule, booking, check-in | Low | A few days to build, a month to run |
| 2. Multi-gym | Gym accounts, staff roles per gym, strict data separation | Medium | About a week of building and testing |
| 3. Charge gyms | Pricing page, monthly subscription, trial, billing emails | Low | A day or two |
| 4. Member app | iPhone and Android app with booking and push reminders | Low to medium | Days, plus store review |
| 5. Member billing | Gyms collecting dues through your software | High | Only after gyms ask for it |
People who have run or coached at a gym often know exactly what their software gets wrong. Until recently, turning that knowledge into a product meant hiring developers. With AI app builders you can now describe the software and get a working app with a database, member logins and billing, then sell it to other gyms for a monthly fee. The building is the quick part. What decides whether it becomes a business is the niche you pick, how you handle two layers of payments, and whether each gym’s data stays strictly its own. This guide covers all three, and shows how to do it on Floot.
Start with a niche you know
General-purpose gym software already exists and serves a broad market. A newcomer wins by fitting a specific kind of gym better than a general tool can.
Why niche wins
Different gyms run on different rules. A climbing gym cares about day passes, waivers and gear rental. A martial arts school tracks belt ranks and attendance toward gradings. A small-group strength studio lives on class capacity, waitlists and session packs. When your software speaks the gym’s language out of the box, the sales conversation gets much shorter.
Find your first three gyms before you build
Talk to owners you know. Ask what they use now, what they work around with spreadsheets or paper, and what they would pay to stop doing. Three owners describing the same annoyance is a product. One owner’s wishlist is a custom project.
What version 1 needs (and what can wait)
The fastest way to fail is to build every feature a gym might ever use. The table below separates what a gym needs on day one from what it can live without for a few months.
| Area | Version 1 | Later |
|---|---|---|
| Members | Sign-up, profile, membership type, status (active, frozen, cancelled) | Family accounts, referral tracking |
| Classes | Weekly schedule, capacity, booking, cancellation window, waitlist | Coach substitutions, recurring bookings |
| Check-in | Staff check-in screen, attendance history | QR or kiosk check-in |
| Staff | Roles: owner, front desk, coach | Payroll hours, commission |
| Messages | Booking confirmations, class reminders, announcements | Automated win-back campaigns |
| Reports | Active members, class attendance, new sign-ups this month | Retention cohorts, revenue forecasts |
| Payments | Your subscription charged to each gym | Member dues collected through your software |
The rules are where the value is
The screens are similar across gym software. The rules are where yours can be better. Write them down in plain sentences: “Members can book up to 7 days ahead and cancel until 2 hours before class. Late cancellations count as attended. Frozen members can’t book. The waitlist promotes the next person automatically and emails them.” An AI builder turns sentences like these into working logic, and they become your product’s edge.
Make the front desk fast
Owners judge software by the busiest ten minutes of the day. A check-in screen that finds a member in two keystrokes matters more than a beautiful dashboard. Test it on a tablet at the actual desk.
Two layers of billing, and which to build first
Gym software usually involves two separate flows of money. Mixing them up is the most common planning mistake.
Layer 1: gyms pay you
This is a normal software subscription: each gym pays you a monthly fee. It is the revenue of your business and the part to build first. On Floot, Floot Payments handles checkout and subscriptions and pays out to you through Stripe. Add a trial, a pricing page, receipts, and an email when a payment fails.
For reference, Stripe’s published US card rate is 2.9% plus 30¢ per successful charge, and Stripe Billing is 0.7% of billing volume on pay-as-you-go. On a $99 monthly fee, that is about $3.86 per charge. Failed renewals are a real source of lost revenue; Stripe’s Smart Retries, on by default for new accounts, retries failed subscription payments up to 8 times within 2 weeks.
Layer 2: members pay their gym
Collecting membership dues on behalf of many gyms is a different business. The money belongs to each gym, so it has to reach each gym’s own account. Stripe offers Connect for exactly this kind of platform; its documentation describes it as the way to build a platform or marketplace that moves money between multiple parties, with onboarding and identity verification for each connected business.
That is real work, with real responsibility. Most gyms already have a way to collect dues, so version 1 can record payment status (paid, overdue) while the gym keeps its existing processor. Confirm exactly what your payment setup supports for paying out to each gym before you promise built-in member billing to anyone.
Pricing your software
Keep it simple. A flat monthly price per gym, perhaps with a second tier by member count or number of locations, is easy to explain and easy to bill. Offer your first gyms a founding price in exchange for feedback and a testimonial. Avoid per-member pricing at the start; it makes every new member feel like a cost to the owner.
Keeping each gym’s data apart
Selling to many gyms means one app and one database serve all of them. This is called multi-tenant software, and the rule is simple: no gym ever sees another gym’s members, classes or payments.
Give every record a gym
Every table that holds gym data (members, classes, bookings, check-ins, payments) needs a gym ID, and every read and write must filter by the gym of the signed-in person. Say this explicitly when you ask an AI builder to make the app multi-gym: “Each gym is a separate account. Every member, class, booking and staff record belongs to exactly one gym. Staff and members can only ever see and change records of their own gym, and this must be checked on the server for every request.”
Roles inside each gym
Within a gym, define who can do what. An owner manages staff and settings. Front desk checks members in and edits memberships. Coaches see their classes and attendance. Members manage their own bookings. Keep the list short; every extra role is more to test.
Test like an attacker
Create two test gyms with overlapping member names. Sign in as staff of gym A in one browser and gym B in another. Try opening gym B’s pages from gym A by changing IDs in the address bar. Do this after every change that touches data or permissions. It takes ten minutes and catches the bug that matters most.
The member phone app
Members book classes on their phones, so a mobile app is a strong selling point. Two App Store rules shape how you ship it.
One app, not one per gym
It is tempting to give each gym its own branded app. Apple’s guideline 4.3(a) asks developers not to create multiple bundle IDs of the same app and suggests a single app with the variations inside it. A single member app where people find their gym at sign-up, with each gym’s logo and schedule inside, fits that guidance and means one build to maintain.
Gym memberships aren’t in-app purchases
Apple’s guideline 3.1.3(e) says that physical goods and services consumed outside the app must be paid for with methods other than in-app purchase, such as Apple Pay or card entry. A gym membership or class pass is used in the gym, so it falls under that rule, not under the in-app purchase requirement for digital content.
Shipping it without a Mac
Floot builds native iOS and Android apps from the same project and submits them to the App Store and Google Play. You need an Apple Developer Program membership (US$99 a year) and a Google Play developer account (US$25 once); no Mac or Xcode. Push notifications on web and phones are built in, which suits class reminders and waitlist alerts. Apple and Google review every app, so approval is never guaranteed.
Building it on Floot, step by step
Floot builds full-stack web apps (React frontend, serverless backend, Postgres database) from plain-English descriptions. You can work from ChatGPT, Claude, Claude Code, Codex or Cursor through Floot’s MCP server, or in Floot’s own editor.
1. Build it for one gym
Describe the gym you know: “Build software for a small-group strength gym. Members sign up and choose a membership (unlimited, 8 classes a month, or 10-class pack). Classes have a coach and a capacity of 12. Members book up to 7 days ahead and cancel until 2 hours before. Full classes have a waitlist. Front desk checks people in. Send a push reminder 1 hour before class.” Floot creates the tables, sign-in with email, Google or Microsoft, the pages and the scheduled reminders.
2. Run it for a month
Publish it (publishing is free on every plan), attach the gym’s domain on a paid plan, and let the gym use it. Every change you ask for shows in the live preview before you publish it. Keep a list of everything staff work around.
3. Make it multi-gym and charge for it
Ask for gym accounts, per-gym roles and the data separation rules above, then test with two gyms. Add your own subscription with Floot Payments: a pricing page, a 14-day trial and monthly billing for each gym. Ask for an onboarding flow where a new owner creates their gym, adds classes and invites staff.
4. Help gyms move in
Switching software is the biggest objection you will hear. Ask for a member import page that accepts a spreadsheet export from the gym’s old system. Gyms will also ask whether they can get their data out; on Floot you can download the whole database on any plan, and paid plans can restore it to any moment in the last 7 days, which is a reassuring answer.
What it costs to run
Your fixed costs are small compared with hiring developers. These are the main ones.
| Cost | Amount | When you need it |
|---|---|---|
| Floot Free | $0 per month | Exploring and building the first version |
| Floot Pro | $25 per month | Custom domains, Google Play publishing, code download, 12 mobile builds a month |
| Floot Power | $100 per month | Heavy building, unlimited mobile builds |
| Hosting | Metered by usage | Pro includes $10 a month, Power $25 |
| Apple Developer Program | US$99 per year | Member app in the App Store |
| Google Play developer account | US$25 once | Member app in Google Play |
| Card processing | Per charge | Every subscription payment from a gym |
Common mistakes
These are the traps that catch first-time gym software founders.
- Building for every kind of gym at once, so the product fits none of them well.
- Selling before one real gym has used it daily for a few weeks.
- Promising member billing on day one, then discovering how much it involves.
- Checking gym ownership only in the interface, not on the server.
- Submitting a separate branded app for each gym and running into guideline 4.3.
- Charging per member, which makes owners hesitate to add members.
- No import path from the gym’s current software, so switching feels impossible.
- Ignoring failed payments, so gyms keep using the software unpaid or get cut off without warning.
Frequently Asked Questions
Can I really build gym software without coding?
Yes. AI app builders now produce working apps with a database, logins and billing from a description. On Floot you describe members, classes, staff roles and billing in plain English, test in a live preview and publish. The hard parts are product decisions, not code.
How much should I charge gyms?
Start with a flat monthly price per gym that is easy to explain, and offer founding gyms a discount for feedback. Check what your target gyms pay today and price for the specific problem you solve better.
Can members pay their gym through my software?
It is possible, but it is a bigger job than charging gyms, because each gym’s money must reach its own account (Stripe Connect is designed for this kind of platform). Most new gym software starts by charging gyms only and recording member payment status.
Do I need a separate app for each gym?
No, and it is better not to. Apple’s guideline 4.3(a) discourages multiple copies of the same app. One member app where people choose their gym is simpler to review and maintain.
Do gym memberships sold in the iPhone app have to use Apple’s in-app purchase?
No. Apple’s guideline 3.1.3(e) says physical goods and services consumed outside the app must use other payment methods, such as Apple Pay or card entry. Gym memberships and class passes are used in the gym.
What happens to a gym’s data if they leave?
Decide this before you sell, and put it in your terms. On Floot you can export the whole database on any plan, so you can give a departing gym its members and history.
Sources
- Apple Developer, App Review Guidelines (3.1.3(e), 4.3), 2026 https://developer.apple.com/app-store/review/guidelines/
- Apple Developer, Apple Developer Program, 2026 https://developer.apple.com/programs/
- Google Play Console Help, Register for a developer account, 2026 https://support.google.com/googleplay/android-developer/answer/6112435
- Stripe, Pricing, 2026 https://stripe.com/pricing
- Stripe Docs, Automate payment retries (Smart Retries), 2026 https://docs.stripe.com/billing/revenue-recovery/smart-retries
- Stripe Docs, Connect, 2026 https://docs.stripe.com/connect
- Floot, Pricing, 2026 https://floot.com/en/pricing