
No hardware. No contracts.
Heart rate tracking
that works with
all wearables.
Works with any wearable. Bring live heart-rate tracking, coaching and member progress to your gym using the devices your members already own.
- Apple Watch
- Garmin
- Android Watches
WHOOP
- Polar
- Fitbit
- Google Pixel Watch
- Amazfit
- Any HR Belt
- 7-day free trial
- No contracts
- No onboarding costs
- No hardware
Simple, flat-fee pricing
Start with a 7-day free trial. No contracts, no onboarding costs and no additional hardware required. Choose HR or Pro for your gym.
Swipe to compare gym sizes →
Enterprise — 500+ members
For large gyms, leisure centres, hotel groups and multi-site operators. Everything in Pro Growth, plus dedicated account support, advanced AI body analysis, custom onboarding and multi-site screen setup.
Works with any wearable. Choose monthly or yearly billing. No onboarding costs or additional hardware required.
Let’s talk about your gym.
See how Fittest fits your space, your coaches and your members. Choose a time that works for you.
How Fittest compares
Everything Myzone and Polar do — plus coaching, nutrition and AI, with no hardware to buy.
| Feature | Fittest | Myzone | Polar |
|---|---|---|---|
| No hardware required — works with any wearable | |||
| Members use their own wearable — no belt to buy | |||
| Runs on your existing TV | |||
| Real-time HR display & leaderboards | |||
| Concept2 erg connection | |||
| Time-trial simulations (HYROX-style) | |||
| Levels & ranking gamification | |||
| AI Challenges | |||
| Members keep their ranking when they switch | |||
| In-app coaching & program delivery | |||
| Nutrition & meal plans | |||
| AI body analysis | |||
| AI Assistant (automated check-ins & messaging) | |||
| Recovery scores | |||
| All-in-one — one subscription |
Comparison for guidance only. Competitor features and pricing change — check their latest before deciding.
One connected platform
Everything you need.
Closer together.


A plan to follow. Progress to feel.
01 / Training, connected
Good coaching goes beyond the gym floor.
Put every session in your members’ hands. Deliver training plans, build programs with AI and keep your coaches in control of the details.
- In-app training delivery
- AI programs and templates
- Hyrox competition simulation


More context. More meaningful coaching.
02 / A fuller picture of progress
See the person behind the points.
Connect recovery, body composition and weekly insights. Give coaches the context to make every check-in more meaningful.
- AI body composition analysis
- Recovery and weekly reviews
- Member insights and retention tracking
From the gym floor
Loved by forward-thinking gym owners.
“I've been using Fittest and it's been a game-changer for my gym. The app has made my business more profitable and my clients more motivated to come in.”
- 250+
- Gyms Live
- 15000+
- Members Tracked
- 0
- No Extra Hardware Needed