JOHAN vs Duelr
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
JOHAN
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The goal of the app is to input and view recovery, exertion and injury forms. The app is meant for both players and coaches. Players use it to input the forms and view their own results. For coaches it is meant to monitor the results of the players in the team. Which views do we have: - Login - Dashboard - Forms Results - Recovery Form - Exertion Form - Injury Form - Schedule
Duelr
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Duelr turns fitness into a competition you can't ignore. Most people quit the gym because nothing's at stake. Duelr changes that. Challenge your friends, track every rep with AI-verified accuracy, and compete on a live leaderboard where quitting means losing. AI REP COUNTER Duelr uses on-device AI to count your reps in real time and verify your form. Every push-up, pull-up, and bodyweight exercise is tracked automatically โ no manual logging, no cheating. CHALLENGE YOUR FRIENDS Set up a 1v1 or group fitness challenge in seconds. Pick the exercise, set the duration, invite your people. The leaderboard updates live as everyone completes their reps. COMPETE FOR REAL Solo motivation fades. Competition doesn't. When your friends can see your score โ and you can see theirs โ skipping a session has consequences. TRACK YOUR PROGRESS Every challenge is logged. Watch your rep counts grow, your ranking climb, and your fitness improve over weeks and months. HOW IT WORKS Create or join a fitness challenge Open the AI rep counter and start your set Your verified reps post to the live leaderboard The highest score wins Whether you're doing a 30-day push-up challenge with your gym group or a weekly pull-up battle with one mate ,Duelr keeps everyone honest and everyone competing. Train. Challenge. Win.
Screenshots
Verdict
The clearest difference is update cadence: Duelr at every 2 weeks against JOHAN's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
JOHAN ships an update every 2 months, Duelr every 2 weeks. The most recent releases landed on October 6, 2026 and October 1, 2026 respectively.
| Parameter | JOHAN | Duelr |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 2 weeks โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details โ not scored | ||
| Size | 26 MB | 128 MB |
| Age rating | 12+ | 17+ |
| Developer | JOHAN Sports | Duelr Ltd |
In-app purchases
JOHAN
No in-app purchases
Duelr
No in-app purchases









