Comparison

Gym Rest Timer vs MuscleTimerPro

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

Head to head
About

Gym Rest Timer

Features
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Gym Rest Timer とは? Gym Rest Timer は、筋トレや自重トレーニングの「休憩時間」を管理するために作られた、シンプルで使いやすいインターバルタイマーです。 ジムでのセット間のインターバルをストレスなく操作でき、トレーニングに集中できる環境をサポートします。 主な機能 直感的に時間を設定できるシンプルUI よく使う設定を保存し、ワンタップで開始 タイマー終了時の 音・バイブの切り替え 広告による邪魔の少ないデザイン こんな人におすすめ ジムでのセット間休憩を正確に管理したい HIIT やインターバルのタイマーを探している シンプルな筋トレ用タイマーが欲しい 無駄機能なしで使いやすいアプリを求めている Gym Rest Timerが大事にしていること 軽くて速い動作、必要な機能だけを備えたシンプルさ。 あなたのワークアウトを邪魔しない、最適な休憩管理を実現します。

About

MuscleTimerPro

Features
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A simple and refined workout timer. The perfect timer app for interval training. Just set your sets, work time, and rest time. Save your favorite menus as presets for instant access. A minimal design that lets you focus on your training. 【Key Features】 - Customizable interval timer - Set management - Work time & rest time settings - Preset saving - Workout history tracking - Monthly activity calendar - Rep-based training support - Sound & vibration settings - English & Japanese support 【Perfect For】 - Home workout enthusiasts - Interval training lovers - Those who prefer simple apps - Gym-goers doing weight training - Anyone who wants to track their workouts 【Commitment to Simplicity】 No complex features or unnecessary clutter. Only what you truly need, simply implemented. Just tap to start the timer. Intuitive controls let you focus on your training. 【Workout History】 Your past workouts are saved automatically. View them at a glance on the monthly calendar. Stay motivated by tracking your consistency. 【Preset Feature】 Save your favorite menus and start with one tap. No more setup every time. Create presets for each exercise and train more smoothly. 【Flexible Support】 Supports rep-based training without timers. Track all your exercises—bench press, squats, and more. Simply refined experience. This is our answer. 【Credits】 Sound effects: OtoLogic (https://otologic.jp)

Screenshots

Gym Rest Timer3 screens
MuscleTimerPro4 screens

Verdict

The call

The clearest difference is ads: MuscleTimerPro at none against Gym Rest Timer's shown. Gym Rest Timer's advantage is update cadence (every 6 days vs every 2 weeks) and iOS requirement (13.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Gym Rest Timer ships an update every 6 days, MuscleTimerPro every 2 weeks. The most recent releases landed on October 16, 2026 and October 4, 2026 respectively.

Scorecard3 real differences · 3 level
Gym Rest Timer versus MuscleTimerPro: the parameters behind the verdict, then further details
ParameterGym Rest TimerMuscleTimerPro
PriceFreeFree
Update frequencyEvery 6 days — betterEvery 2 weeks
AdsYesNo — better
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.0 — better15.1
Further details — not scored
Size63 MB56 MB
Age rating4+4+
DeveloperGenki SuzukiJIN TANDA

In-app purchases

None

Gym Rest Timer

No in-app purchases

None

MuscleTimerPro

No in-app purchases

Questions

Is Gym Rest Timer free?
Gym Rest Timer is free to download, with no in-app purchases.
Is MuscleTimerPro free?
MuscleTimerPro is free to download, with no in-app purchases.
Do Gym Rest Timer or MuscleTimerPro have ads?
Gym Rest Timer shows ads; MuscleTimerPro does not.
Which is updated more often, Gym Rest Timer or MuscleTimerPro?
Gym Rest Timer ships an update every 6 days, and MuscleTimerPro every 2 weeks. Most recently, Gym Rest Timer was updated on October 16, 2026 and MuscleTimerPro on October 4, 2026.

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