Comparison

勉強専用タイマー | 勉強を一括管理 vs Simple Study Stamp

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

Head to head
About

勉強専用タイマー | 勉強を一括管理

This app helps users study more efficiently by creating custom study cycles with timed work and break periods. It leverages psychological effects like the "start effect" and "deadline effect" to boost concentration and make studying a habit. The app runs in the background and notifies users when a session ends, without excessive battery drain.

Highlights
  • Customizable study cycles
  • Timed work and break periods
  • Start and deadline effect utilization
  • Habit formation support
  • Background operation with notifications
  • Easy restart with previous settings
Features
Read full description

本アプリは効率よく勉強したいという方々をサポートするために開発した勉強専用のタイマーです。自分に合った勉強サイクルを見つけて効率よく勉強しましょう。 受験生の方や資格の勉強をされている方は是非ご利用ください。 ▼操作説明▼ 1. "新しい設定で始める" をタップする。 2. 1セットの勉強時間を決める。 3. 1セットの休憩時間を決める。 4. 繰り返すセット数を決める。 5.  "start" をタップする。 2回目以降は "前回の設定で始める" をタップするだけですぐに勉強を始められます。設定を変更したい場合は "新しい設定で始める" をタップしてください。 ▼バックグラウンドでの動作▼ アプリを閉じてもタイマーが終了した時に通知でお知らせします。 また、バックグラウンドで処理し続けることはないので無駄にバッテリーを消費することはありません。 ▼本アプリのメリット▼ •小刻みに休憩を入れることで長時間勉強しても疲れにくい。 •スタート効果 (勉強開始直後の集中力が上がる) と締め切り効果 (勉強終了直前の集中力が上がる) を利用できる。 •同じサイクルで勉強できるので習慣化しやすい。

About

Simple Study Stamp

Features
Read full description

Your study time is more than just a number. Keep your goals—and your current study session—visible right from your Home Screen and Lock Screen. Simple Study Stamp is a simple yet practical study time tracker with stopwatch, timer, and manual entry. With widgets, you can quickly check: • Time remaining until your goal date • Total study time • Target study time • Progress percentage And while a timer or stopwatch is running, you can check your current study status directly from the Lock Screen. Even after leaving the app, you can instantly see whether a study session is still running and how long you’ve been studying. Stay aware of your study session. Stay focused on your goal. Simple Study Stamp is designed to make consistent studying easier. See your progress at a glance Your study time is automatically organized by day, week, month, and year. Use easy-to-read bar charts and pie charts to see what you’ve studied and how much time you’ve spent on each subject. The calendar view also makes it easy to look back and see: “How much did I study that day?” “How much have I accomplished this month?” Your effort doesn’t disappear—it becomes a visible record of your progress. Track your way Choose the recording method that fits your study style: • Stopwatch • Timer • Manual entry Whether you’re studying at your desk, learning a language on your commute, reading, preparing for an exam, or working on professional development, you can record your study time in the way that works best for you. Keep your goals visible Set a target study time and goal date for each subject. Instead of simply recording study hours, Simple Study Stamp helps you stay aware of how far you’ve come and how far you still have to go. Home Screen and Lock Screen support make your goals easier to remember throughout the day. Great for • Exam preparation • Certifications • Language learning • Reading • Programming • Professional development • Self-study and lifelong learning No complicated setup. No unnecessary features getting in your way. No in-app purchases. Just open the app, start studying, and keep building your progress one session at a time. One minute today can make a big difference tomorrow. Make every minute count.

Screenshots

勉強専用タイマー | 勉強を一括管理4 screens
Simple Study Stamp4 screens

Verdict

The call

The clearest difference is ads: 勉強専用タイマー | 勉強を一括管理 at none against Simple Study Stamp's shown. 勉強専用タイマー | 勉強を一括管理 also leads on iOS requirement (12.4 vs 17.0). Simple Study Stamp's advantage is update cadence (every 10 days vs every 6 weeks). 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

勉強専用タイマー | 勉強を一括管理 ships an update every 6 weeks, Simple Study Stamp every 10 days. The most recent releases landed on October 13, 2026 and September 30, 2026 respectively.

Scorecard3 real differences · 7 level
勉強専用タイマー | 勉強を一括管理 versus Simple Study Stamp: the parameters behind the verdict, then further details
Parameter勉強専用タイマー | 勉強を一括管理Simple Study Stamp
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews61.5% of reviews—
Number of ratings1 — better—
Update frequencyEvery 6 weeksEvery 10 days — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.4 — better17.0
Further details — not scored
Size13 MB10 MB
Age rating4+4+
DeveloperYusuke OtsukaFutoshi Akahoshi

In-app purchases

None

勉強専用タイマー | 勉強を一括管理

No in-app purchases

None

Simple Study Stamp

No in-app purchases

Questions

Is 勉強専用タイマー | 勉強を一括管理 free?
勉強専用タイマー | 勉強を一括管理 is free to download, with no in-app purchases.
Is Simple Study Stamp free?
Simple Study Stamp is free to download, with no in-app purchases.
Do 勉強専用タイマー | 勉強を一括管理 or Simple Study Stamp have ads?
Simple Study Stamp shows ads; 勉強専用タイマー | 勉強を一括管理 does not.
Which is updated more often, 勉強専用タイマー | 勉強を一括管理 or Simple Study Stamp?
勉強専用タイマー | 勉強を一括管理 ships an update every 6 weeks, and Simple Study Stamp every 10 days. Most recently, 勉強専用タイマー | 勉強を一括管理 was updated on October 13, 2026 and Simple Study Stamp on September 30, 2026.

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