Comparison

勉強時間記録するシンプル学習管理アプリ LearnTimer vs Retime

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

Head to head
About

勉強時間記録するシンプル学習管理アプリ LearnTimer

Features
Read full description

作業時間を計測しよう! 作業をする時、時間を計測していますか? どの作業にどのくらいの時間を使ったかを計測できるアプリです。 【メモ帳機能もあり!】 作業をしながら「時間計測」+「メモ」の両方に対応できます。 【親タスク/子タスクの両方を時間計測!】 親タスク/子タスクの両方で時間が計測できます。 例:歴史学習 (親タスク)    -江戸時代学習 (子タスク)    -室町時代学習 (子タスク)  「歴史学習」の学習時間を計測しつつ、「江戸時代」の学習時間も計測できます。 【自分の能力を分析!】 作業ごとに時間を計測して、自分自身の能力を知るためにも活用できます。 【自動停止機能つき!】 アプリが閉じたときは自動的にタイマーが停止します。 アプリを開いた時は自動的にタイマーが再開します。 【iPadお持ちの方!】 マルチタスキング機能を利用できます。 片画面で作業しつつ、「LearnTimer」で時間計測+メモの使い方ができます!

About

Retime

This app helps serious learners manage their study time and track progress. It combines a timer, task management, and analytics to visualize daily efforts and ensure goals are met. Features include goal setting, exam countdowns, and app blocking to enhance focus.

Highlights
  • Unified task management and timer
  • Study goal progress tracking
  • Exam countdown and score tracking
  • Distracting app blocking
  • Pomodoro and count-up timer modes
  • Study time visualization
  • Customizable subjects and themes
Features
Read full description

You're studying hard, but can't see any progress. You make a plan, but somehow it always falls apart. That feeling of "working hard but getting nowhere" — Retime changes that. Retime is a study management app for serious learners, bringing together a timer, task management, and learning analytics in one place. "Plan → Focus → Record → Analyze" Complete this entire cycle in a single app. Your daily efforts become visible through graphs and numbers. Students preparing for exams, professionals studying for certifications, language learners, building a reading habit—— Retime is here for anyone who is serious about reaching their goals. Feature ① Task Management and Timer, Unified ・Manage daily tasks with a weekly calendar. Swipe smoothly between weeks ・Link tasks to your timer to accurately record what you studied and for how long ・Set up recurring tasks to automatically create your daily study routine ・Drag and drop to reschedule tasks with ease ・One glance at your to-do list tells you exactly what to study today Feature ② Track Whether You're On Pace with Study Goals ・Set concrete goals like "finish 300 pages of this textbook by [date]" ・Automatically compare your recommended daily pace against your actual progress ・A predicted completion date is always shown, so you know at a glance whether you'll make it in time ・Manage multiple goals simultaneously — exam prep, certifications, reading, and more Feature ③ Exam Countdown & Mock Exam Score Tracking ・Register your exam dates and see remaining days updated in real time ・Log your mock exam and practice test scores by subject ・Visualize your score trends with charts to see how much you've improved Feature ④ Block Distracting Apps During Study Sessions ・Block apps like social media, YouTube, and games while you study ・Effective for breaking phone addiction ・Blocking is active only while the timer is running, so the quality of your study time goes up Feature ⑤ Two Timer Modes: Pomodoro & Count-Up ・Use the Pomodoro timer to alternate between focused work and breaks, maximizing productivity ・Use the count-up timer to freely measure and log your study time ・Supports Dynamic Island and Lock Screen Live Activity — always keep an eye on your timer ・Check today's study time at a glance with the home screen widget ・Stay focused with background sounds like alpha waves, brown noise, rain, and ocean waves Feature ⑥ Visualize Study Time to Stay Motivated ・View weekly and monthly study time trends in graph form ・See a subject-by-subject breakdown to understand where your time is going ・Browse your full session history in a timeline view ・Watching your efforts pile up keeps the motivation going Feature ⑦ Customize to Make It Yours ・Set your own subject names and colors ・Change the app's theme color to match your style Suitable for every learning scenario — students, professionals studying for certifications, language learners, and anyone building a reading habit. Start recording a little every day, and keep moving toward your goal.

Screenshots

勉強時間記録するシンプル学習管理アプリ LearnTimer3 screens
Retime4 screens

Verdict

The call

The clearest difference is in-app purchases: 勉強時間記録するシンプル学習管理アプリ LearnTimer at none against Retime's 3. 勉強時間記録するシンプル学習管理アプリ LearnTimer also leads on ads (none vs shown) and iOS requirement (13.0 vs 17.0). Retime's advantage is update cadence (every 5 days vs every 4 months). On price 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. Retime sells 3 in-app purchases, starting at $1.99 per month. 勉強時間記録するシンプル学習管理アプリ LearnTimer asks for nothing beyond the download.

UpkeepUpdate frequency

勉強時間記録するシンプル学習管理アプリ LearnTimer ships an update every 4 months, Retime every 5 days. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 6 level
勉強時間記録するシンプル学習管理アプリ LearnTimer versus Retime: the parameters behind the verdict, then further details
Parameter勉強時間記録するシンプル学習管理アプリ LearnTimerRetime
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—72.2% of reviews
Number of ratings—1 — better
Update frequencyEvery 4 monthsEvery 5 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size12 MB30 MB
Age rating4+4+
Developershun furukawaRyo Iida

In-app purchases

None

勉強時間記録するシンプル学習管理アプリ LearnTimer

No in-app purchases

3 purchases

Retime

Subscriptions3
  • リタイム PRO 1ヶ月$1.991 Month
  • リタイム PRO 1年間$14.991 Year
  • リタイム PRO 1年間 キャンペーン1 Year trial$19.991 Year

Questions

Is 勉強時間記録するシンプル学習管理アプリ LearnTimer free?
勉強時間記録するシンプル学習管理アプリ LearnTimer is free to download, with no in-app purchases.
Is Retime free?
Retime is free to download, with in-app purchases available.
Do 勉強時間記録するシンプル学習管理アプリ LearnTimer or Retime have ads?
Retime shows ads; 勉強時間記録するシンプル学習管理アプリ LearnTimer does not.
Which is updated more often, 勉強時間記録するシンプル学習管理アプリ LearnTimer or Retime?
勉強時間記録するシンプル学習管理アプリ LearnTimer ships an update every 4 months, and Retime every 5 days. Most recently, 勉強時間記録するシンプル学習管理アプリ LearnTimer was updated on October 27, 2026 and Retime on October 30, 2026.

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