Comparison

JOHAN vs Duelr

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

JOHAN

Features
Read full description

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

About

Duelr

Features
Read full description

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

JOHAN1 screens
Duelr4 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard1 real difference ยท 5 level
JOHAN versus Duelr: the parameters behind the verdict, then further details
ParameterJOHANDuelr
PriceFreeFree
Update frequencyEvery 2 monthsEvery 2 weeks โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.115.1
Further details โ€” not scored
Size26 MB128 MB
Age rating12+17+
DeveloperJOHAN SportsDuelr Ltd

In-app purchases

None

JOHAN

No in-app purchases

None

Duelr

No in-app purchases

Questions

Is JOHAN free?
JOHAN is free to download, with no in-app purchases.
Is Duelr free?
Duelr is free to download, with no in-app purchases.
Do JOHAN or Duelr have ads?
Neither JOHAN nor Duelr shows ads.
Which is updated more often, JOHAN or Duelr?
JOHAN ships an update every 2 months, and Duelr every 2 weeks. Most recently, JOHAN was updated on October 6, 2026 and Duelr on October 1, 2026.

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