FunktionalFit vs RepKey
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
FunktionalFit
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Squats and Push-Ups β structured, automatically counted, and backed by a clear plan that takes you from beginner to pro. FunktionalFitness brings you two of the most effective bodyweight exercises in one app. No gym, no equipment, no sign-up. Just you, your iPhone, and a training plan that works. TWO EXERCISES. ONE GOAL. Squats and push-ups are the foundation of functional fitness. FunktionalFitness guides you from your very first workout all the way to completing 150 squats or 100 push-ups in a single set β step by step, day by day. THE 3-LEVEL SYSTEM Each exercise follows a carefully designed progression system: Beginner β Build the basics You start with manageable sets and gradually build up your endurance and technique. Perfect for anyone just starting out or getting back into training after a break. Intermediate β Increase the intensity The volume increases, the sets get longer, and the rest periods get shorter. You will feel your body getting stronger. Pro β Reach peak performance The ultimate challenge. Long sets, high overall volume, and a real test for every training day. Progression to the next level happens automatically as soon as you have completed the required training days. AUTOMATIC MOVEMENT DETECTION You do not need to count for yourself. FunktionalFitness automatically detects your repetitions: For squats, the app uses your iPhoneβs built-in motion sensor. Simply put the device in your trouser pocket and start training β every properly performed squat will be detected. For push-ups, the app uses the face-tracking camera. Your iPhone precisely measures the distance between your face and the floor, allowing it to detect every full repetition. Alternatively, you can tap the large counting ring manually at any time β for example, if you are not carrying the device with you. SMART TRAINING PLAN Every workout is structured: multiple sets with fixed repetition targets and automatic rest timers between sets. You always know exactly what comes next. Before starting Level 1, you can optionally complete a fitness test. You simply do as many repetitions in a row as possible. Based on your result, the app automatically calculates your ideal starting day β so you begin at the right level, neither underchallenged nor overwhelmed. KEEP TRACK OF YOUR PROGRESS AT ALL TIMES In the history tab, you can see all completed, cancelled, and unfinished workouts at a glance. Personal bests are highlighted. In the stats bar, you can see the number of your workouts, your personal record, and every repetition you have ever completed. FOR SUPPORTERS OF THE APP With a one-off purchase, you permanently unlock two additional features β on all your devices, forever: Apple Health Sync Every workout is automatically saved to Apple Health β including calories burned, calculated using your body weight from the Health app. This means your workouts are seamlessly integrated into your health statistics. Workout Reminders The app automatically schedules notifications for your upcoming training days. And if you have taken a break for more than 5 days, you will receive a friendly nudge to help you get started again. You decide when you would like to be reminded. With your purchase, you also directly support the continued development of the app β thank you very much for that. PRIVACY & TRANSPARENCY All your data stays entirely on your device. There is no sign-up, no user account, and no cloud synchronisation. FunktionalFitness works completely offline. The app only asks for the permissions it genuinely needs: motion sensor access for squats, camera access for push-ups, and health data and notifications only if you actively unlock both features. Start today. Your first training day is waiting for you.
RepKey
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Lock your apps. Unlock with reps. RepKey blocks distracting apps on your phone until you complete a quick daily workout. No willpower needed β just move your body and earn your screen time back. HOW IT WORKS 1. Set your daily lock schedule 2. When locked, complete your workout 3. AI counts your reps using your camera 4. Apps unlock automatically when you're done FEATURES β’ AI-powered rep counting β push-ups, squats, sit-ups, lunges, and plank β’ Customizable lock schedule β choose when apps get blocked β’ Real-time pose detection β no wearables needed, just your camera β’ Workout history and streak tracking β’ Mood check-ins before and after workouts PRIVACY FIRST β’ Camera data is processed entirely on-device β’ No photos or videos are ever saved or uploaded β’ All workout data stays on your phone PREMIUM β’ Customize your exercise type and lock schedule β’ Full workout history and statistics β’ 7-day free trial included Terms of Service: https://replock-app.github.io/terms.html Privacy Policy: https://replock-app.github.io/privacy-policy.html
Screenshots
Verdict
The clearest difference is iOS requirement: RepKey at 17.0 against FunktionalFit's 26.0. On price, ads, in-app purchases 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. FunktionalFit sells 1 one-off in-app purchase and RepKey sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.
| Parameter | FunktionalFit | RepKey |
|---|---|---|
| Price | Free | Free |
| Update frequency | Daily | β |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPad β better |
| Requires iOS | 26.0 | 17.0 β better |
| Further details β not scored | ||
| Size | 13 MB | 4 MB |
| Age rating | 17+ | 4+ |
| Developer | NaeNw.de | Koya Nambo |
In-app purchases
FunktionalFit
- Supporter$0.99
RepKey
- Weekly7 Days trial$4.997 Days
- Monthly7 Days trial$14.991 Month
- Yearly$39.991 Year
Questions
Is FunktionalFit free?
Is RepKey free?
Do FunktionalFit or RepKey have ads?
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