Comparison

HIIT Timer vs Workout Log App

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

Head to head
About

HIIT Timer

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●アカウント登録なし ●インターネット接続なし ●筋トレのアップグレードができる ●自分のペースに合わせたタイマーセットが可能 —————————————————— ## new ## Apple Watch版 HIIT Timerをリリースしました! iPhone版アプリと同期が可能です。是非、Apple WatchのApp Storeからダウンロードください。 ※Apple Watch版はiPhone版HIIT Timerがないと操作しません —————————————————— 本アプリは、 アカウント登録・インターネット接続を必要としない、『あなたの筋トレ』を支える手助けアプリです! ご自身が設定した、運動時間・休憩時間・繰り返し回数の通りに、「タイマー」としてご使用いただけます。 特に今流行りのトレーニング方法:HIITに乗っ取った扱いが可能です。 ーーーー 『HIIT(高強度インターバルトレーニング)』とは 短い休憩を入れながら、激しいの運動を繰り返し行うトレーニング方法のことを指します。 本アプリのデフォルト設定では、 「10秒の休憩、20秒の運動」を4セット行い、それを4周行う設定 となっております。1セットごとに異なる激しい運動を行ってください ーーーー ■基本機能 - Active time : 運動時間、Rest time:休憩時間を1秒から設定可能 - 上記のセット数(アプリ内 "shape")、その繰り返し回数(ギリシャ数字)の設定 - 幾何学的(図形的)な回数表現 - 通知オン時:アラームによる運動・休憩の切り替わり - 通知オフ時:バイブレーションによる通知 - ナイトモードによるテーマ変更 New -Apple watch 用HIIT Timerとの設定同期 ※iPhone版HIIT Timerがないと動作しません ■基本操作 手順1:タイマーのセット ”Step1: Set the timer.” Active time(運動時間)、Rest time(休憩時間)を入力してください 手順2:形の決定 ”Step2: Select shape.” 運動と休憩の繰り返し数を決定してください 手順3:繰り返し数を入力 ”Step3: Enter the cycles.” 繰り返しを何回行うかを決めてください 手順4:開始 “Finally: Tap to Start.” 運動を始めましょう! ■注意 本アプリ使用時に異常(数字が設定できない等)が発生しましたら、再インストール(Appの削除と、インストール)を推奨しております。 ※今後の改善に役立てるために、よろしければ状況を以下問い合わせ先にご連絡いただけますと幸いです。 ■免責事項 本アプリはユーザーの特定の目的に適合すること、期待する機能を有すること、および不具合が生じないということについて、何ら保証するものではありません。 ユーザーが本アプリを利用して生じた損害に関して、開発元は責任を負わないものとし、当方の都合によりアプリの仕様を変更できる事とします。 本アプリの提供の終了、または利用不能、そして、本アプリの利用によるデータの消失または機械の故障もしくは損傷、過度な負担による体調不良、またその他本アプリに関してユーザーが被った損害につき、賠償する責任を一切負わないものとします。 ■コンタクト ご意見ご要望があれば、お気軽にご連絡ください。 問い合わせ先: ※不具合報告や、ご利用の機種とiOSをご記載いただけますと幸いです。 Twitter : @YoshikazuTakah8 https://twitter.com/YoshikazuTakah8 ■開発 メイン開発:TakahashiYoshikazu デザイン:Lintaro Matsui

About

Workout Log App

Features
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Workout logging apps can be surprisingly tedious. Choosing an exercise, entering weight and reps, and checking your set count every time can make logging feel like a chore. Repchain is a workout log built to reduce that friction. It helps you get to the information you need quickly and log each set without second-guessing. With history and training plans in one place, you can keep your workout moving without breaking your focus. [Key Features] Quick workout logging Repchain keeps your workout clearly organized so you can focus on the set in front of you. The interface is designed to reduce extra steps, so logging feels faster and less disruptive during training. Simple weight, reps, and set tracking Logging should not interrupt your workout. Repchain makes it easier to record weight, reps, and sets with as little friction as possible, so you can keep your pace whether you are at the gym or training at home. Plan management Save your regular training structure as plans. By setting up exercises, order, and sets in advance, you can cut down on repetitive input and start logging faster. Cycle support Repchain also supports cycles that rotate through multiple plans. This makes it easier to manage ongoing training structure and stay consistent over time. Workout history and review Look back on past workouts and review what you have done over time. Repchain helps you keep a clear record of your training and makes it easier to see your progress. Rest timer Manage rest periods between sets without leaving the app. By keeping logging and rest in the same flow, Repchain helps your workouts feel smoother and more focused. Apple Watch support On supported devices, you can log and check your workout more easily from your wrist. It is a better fit for people who want to reduce how often they reach for their iPhone during training. Calm, focused design Repchain prioritizes clarity and ease of use over flashy effects. The experience is built to feel clean, quiet, and sustainable for everyday training. [Who It’s For] People who want to keep workout logs but find input tedious People who are tired of entering exercises, weight, and reps over and over People who want to log quickly without interrupting their workout flow People who want to manage plans and cycles in one app People looking for a simple and focused workout logging app Repchain is built to reduce the effort of logging so you can stay focused on training itself. If workout tracking feels like something you should do but do not want to deal with, Repchain is designed to make it easier to keep going.

Screenshots

HIIT Timer4 screens
Workout Log App4 screens

Verdict

The call

The clearest difference is in-app purchases: HIIT Timer at none against Workout Log App's 4. HIIT Timer also leads on iOS requirement (16.1 vs 18.6). Workout Log App's advantage is update cadence (every 5 days vs every 5 months). On price, ads 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. Workout Log App sells 4 in-app purchases, starting at $4.99 per month. HIIT Timer asks for nothing beyond the download.

UpkeepUpdate frequency

HIIT Timer ships an update every 5 months, Workout Log App every 5 days. The most recent releases landed on September 13, 2026 and September 22, 2026 respectively.

Scorecard3 real differences · 3 level
HIIT Timer versus Workout Log App: the parameters behind the verdict, then further details
ParameterHIIT TimerWorkout Log App
PriceFreeFree
Update frequencyEvery 5 monthsEvery 5 days — better
AdsYesYes
In-app purchasesNo — betterYes
DevicesiPhone, Apple WatchiPhone, Apple Watch
Requires iOS16.1 — better18.6
Further details — not scored
Size24 MB186 MB
Age rating4+4+
DeveloperYoshikazu TakahashiMasatomo Murata

In-app purchases

None

HIIT Timer

No in-app purchases

4 purchases

Workout Log App

Subscriptions4
  • Pro Monthly$4.991 Month
  • Pro Max Monthly$6.991 Month
  • Pro Yearly14 Days trial$34.991 Year
Show 1 more
  • Pro Max Yearly$49.991 Year

Questions

Is HIIT Timer free?
HIIT Timer is free to download, with no in-app purchases.
Is Workout Log App free?
Workout Log App is free to download, with in-app purchases available.
Do HIIT Timer or Workout Log App have ads?
Both HIIT Timer and Workout Log App show ads.
Which is updated more often, HIIT Timer or Workout Log App?
HIIT Timer ships an update every 5 months, and Workout Log App every 5 days. Most recently, HIIT Timer was updated on September 13, 2026 and Workout Log App on September 22, 2026.

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