Sonar Fit vs RepSense
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Sonar Fit
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Train smarter. Move better. Track every rep effortlessly. Sonar Fit turns your Apple Watch and AirPods Pro into intelligent workout companions, using built-in motion sensors and AI to automatically count reps, track sets, and optimize your rest β so you can focus on lifting, not logging. WHAT IS SONAR FIT Sonar Fit is a next-generation strength training app designed for iPhone and Apple Watch. It uses real-time motion data and machine learning to automatically detect your reps, sets, and rest periods β hands-free. Whether youβre doing squats, deadlifts, presses, or curls, Sonar Fit recognizes your movements and keeps track of your workout without needing to tap your watch or phone. It even uses your AirPods Pro (2nd Gen or newer) for head-motion tracking if youβre not wearing your watch. KEY FEATURES - Automatic Rep Counting β No manual input required. Your Watch or AirPods detect each clean rep. - Real-Time Feedback β Instantly see your progress on Watch or iPhone during a workout. - Hands-Free Rest Timer β Rest starts automatically when your set ends. - Smart Set Tracking β View reps, sets, and history without lifting a finger. - Watch and AirPods Support β Use either device, or both. You choose. WHO ITβS FOR Sonar Fit is built for people who lift: - In home gyms or commercial gyms - Without a training partner - Who want to avoid tapping screens mid-set - Who care about form, focus, and tracking their progress over time WHY SONAR FIT IS DIFFERENT Unlike traditional fitness trackers or rep counters, Sonar Fit doesnβt rely on you to manually press buttons or enter numbers. Instead, it uses sensor data from your Apple Watch or AirPods Pro to recognise reps and intelligently guide your rest. We believe in frictionless training. No distractions. No guesswork. Just better sessions. DEVICE COMPATIBILITY - Apple Watch Series 6 or newer is recommended for best motion accuracy. - AirPods Pro (2nd Gen or newer) & AirPods Max are supported for head motion tracking. - iPhone required to install the Watch app. - Requires iOS 17+ and watchOS 10+. PRIVACY-FIRST We donβt sell your data β and your workouts stay securely stored in your private account. GET STARTED FREE Sonar Fit is free. Just install the app, connect your Apple Watch or AirPods, and start moving. QUESTIONS OR FEEDBACK? Weβre always improving. If you have questions, feedback, or want to request a feature, get in touch at help@sonar.fit Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
RepSense
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RepSense tracks every rep automatically using your Apple Watch. No logging. No guesswork. Just real feedback on how yaou lift. See tempo, consistency, and control for every set. Understand where fatigue kicks in and how your performance changes over time. Train with intent, not just volume. FEATURES β’ Automatic rep tracking with Apple Watch β’ Real-time tempo and rep feedback β’ Post-set insights on control and consistency β’ Progress tracking across sessions β’ Simple workout setup with templates and saved weights Built for lifters who care about execution, not just reps.
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Verdict
The clearest difference is in-app purchases: RepSense at none against Sonar Fit's 2. On price, update cadence, ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Sonar Fit sells 2 in-app purchases, starting at $3.99 per month. RepSense asks for nothing beyond the download.
Sonar Fit ships an update every 2 weeks, RepSense fortnightly. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.
| Parameter | Sonar Fit | RepSense |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Fortnightly β better |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Requires iOS | 17.6 | 17.6 |
| Further details β not scored | ||
| Size | 11 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Floxx Labs | Alan Bryden |
In-app purchases
Sonar Fit
- Unlimited Access$3.991 Month
- Unlimited access$29.991 Year
RepSense
No in-app purchases








