The verdict in three sentences
With 4,200 members paying an average of USD 60 a month, a 5-gym chain in Miami brings in about USD 252,000 monthly and loses nearly 15 % of it to undetected expired memberships and shared access. Custom membership and access control software costs USD 20,000 to 47,000 (the equivalent of 12 to 28 million FCFA) and is rolled out in 3 to 4 months. Even recovering only half of the leakage, the project pays back in under 3 months.
Where the 15 % of lost revenue comes from
In many independent gyms, front desk staff check a plastic card or a name on a list. At peak hours (6 to 8 am and 6 to 9 pm), nobody really checks. One member lends a card, another keeps coming three weeks after expiry, and renewal reminders happen by phone when someone remembers.
| Source of loss | Share of revenue lost | Estimated monthly amount (5 gyms) |
|---|---|---|
| Expired memberships still accessing | 6 % | USD 15,100 |
| Lent or shared cards | 4 % | USD 10,100 |
| Renewals missed for lack of reminders | 3 % | USD 7,600 |
| Front desk cash errors and fraud | 1.5 % | USD 3,800 |
| Unbilled guest passes | 0.5 % | USD 1,300 |
| Total | 15 % | about USD 37,900 |
2026 budget: options and prices
Off-the-shelf gym platforms cost USD 100 to 300 per month per location and handle standard card payments well, but often lock you into their payment processor and limit custom membership rules. A custom build connects to your own processor and your existing turnstiles.
| Component | Function | Indicative budget |
|---|---|---|
| Member and plan management | Monthly, quarterly, annual, student, couple, corporate | USD 4,200 to 8,400 |
| QR code access control | Dynamic QR in the app, reader at the turnstile | USD 3,400 to 7,600 |
| Biometric option | Fingerprint or face recognition, anti-sharing | USD 4,200 to 10,100 |
| Online renewal | Card, Apple Pay, Google Pay | USD 3,400 to 6,700 |
| Automated reminders | SMS and email at D-7, D-1 and D+3 | USD 1,700 to 4,200 |
| Multi-site dashboard | Attendance, churn, revenue by gym | USD 2,500 to 5,900 |
| Hardware per entrance (excluding software) | QR or biometric reader, turnstile | USD 1,300 to 4,200 |
| Software total | USD 20,000 to 47,000 |
Maintenance and hosting: USD 250 to 600 a month for the 5 gyms. Card processing fees: around 2.9 % plus USD 0.30 per transaction.
QR code or biometrics: which to choose?
A dynamic QR code (refreshing every 30 seconds in the app) is enough to block shared screenshots and costs less. Biometrics eliminate card lending entirely but require explicit consent and compliance with state and federal biometric privacy rules, and Florida consumer data expectations. Our recommendation: dynamic QR everywhere, biometrics in premium locations where sharing is most common.
Mini case study
Marcus, founder of a 5-gym chain in Miami (Brickell, Wynwood, Coral Gables, Doral, Miami Beach), 4,200 members. He invests USD 35,000 with dynamic QR everywhere and biometrics in 2 gyms. His estimated monthly leakage of USD 37,900 drops by 60 %, so USD 22,700 recovered every month. Online renewal also lifts the renewal rate from 68 % to 76 %. Payback: around 7 weeks, excluding hardware.
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FAQ
How much does custom gym management software cost?
Budget USD 20,000 to 47,000 for a chain of 3 to 8 gyms, depending on QR versus biometrics and the number of payment channels.
Can members renew online?
Yes, renewal happens in the app or through a link sent by SMS or email. Payment is confirmed in seconds and access is reactivated automatically.
What happens if the internet goes down?
Readers keep a local list of active members, refreshed every 5 minutes. Access works for up to 24 hours offline.
Is biometric access legal?
Yes, with written member consent, an alternative offered (QR code) and a clear retention policy. Allow 2 to 4 weeks for legal review.
How long does rollout take?
3 to 4 months, with a pilot in one gym from month two.
Let's scope your project. Tell us how many gyms, members and entrances you need to equip: we will price software between USD 20,000 and 47,000 delivered in 3 to 4 months. Detailed quote within 48 h. WhatsApp +221 77 596 93 33.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.
