Comparison

Stopwatch & Countdown vs 勉強タイマー

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

Head to head
About

Stopwatch & Countdown

This utility app provides a large-display stopwatch and a versatile countdown timer. Its simple interface allows for easy operation, making it suitable for various activities like sports and timed games. Customize colors and display elements for a personalized experience.

Highlights
  • Large-display stopwatch
  • Countdown timer function
  • Customizable colors
  • Adjustable display elements (hours, minutes, seconds)
  • Simple and intuitive operation
  • Suitable for sports and games
Features
Read full description

Stopwatch with large-sized numbers. Countdown function included. Simple operation makes it easy for anyone to use. It can be used for athletics and party games with time limits. ●Basic usage 1. How to start Tap the start button or the time. 2. How to stop Tap the Stop button or the time. 3. How to reset Tap the reset button. ● Countdown function You can use the countdown function by selecting "Countdown" in the "Mode" item of the setting screen. The start time of the timer can be changed freely (the default setting is 10 minutes). ● Other settings 1. Color settings You can change the color of the text. The background can be selected from white or black. 2. Display settings You can set whether to show or hide "hour", "minute", "second", and "millisecond" individually. ● Privacy Policy https://apps.seeds-digital.com/privacy-policy/ ● Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

勉強タイマー

A visual countdown timer that helps you manage study, work, and break times. Color bars decrease to show remaining time at a glance, with customizable skins and sound options. Works offline and requires no account.

Highlights
  • Visual countdown timer with color bars
  • Adjustable time settings up to 199 minutes
  • Large horizontal display for easy viewing
  • Customizable aluminum-style skins
  • Adjustable notification sounds and haptic feedback
  • Offline functionality
Read full description

あと何分、集中する? 残り時間を、色でつかもう。 「勉強タイマー」は、勉強・仕事・休憩の時間を区切る、見えるカウントダウンタイマーです。20本のカラーバーが少しずつ減っていくので、数字を読み続けなくても、残り時間の量をひと目で確認できます。 ■ こんな場面に ・25分だけ勉強や読書に集中したいとき ・宿題や試験勉強を、決めた時間で進めたいとき ・仕事や会議を、時間を決めて切り上げたいとき ・休憩やストレッチの終わりを確認したいとき ■ 机に置いて、横向きの大きな表示で 計測を始めると横向き表示になり、カラーバー・残り時間・残量パーセントを大きく表示。オレンジ、ライム、グリーン、ブルーのバーで、時間の減り方を視覚的に捉えられます。 ■ 時間を選んで、すぐ開始 10秒単位で最大199分50秒まで設定できます。右側のダイヤルから一時停止・再開・終了を操作でき、操作後はボタンが収納されます。 ■ 場所に合わせたお知らせ 通知音は小・大・消音の3段階。残り半分の合図、触覚フィードバック、任意のバックグラウンド通知に対応しています。バックグラウンド通知には、iPhoneの通知許可が必要です。 ■ 好みの見た目で 4色のアルミニウム風スキンから、タイマーの仕上げを選べます。 広告、アプリ内課金、サブスクリプション、アカウント登録はありません。タイマーはオフラインで使えます。アクセス解析や個人データの収集も行いません。

Screenshots

Stopwatch & Countdown3 screens
勉強タイマー4 screens

Verdict

The call

The clearest difference is review sentiment: 勉強タイマー at 100% against Stopwatch & Countdown's 42%. 勉強タイマー also leads on in-app purchases (none vs 3) and ads (none vs shown). Stopwatch & Countdown's advantage is price (Free vs $0.99) and device support (3 vs 1).

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

Stopwatch & Countdown is free to download; 勉強タイマー costs $0.99 up front. Stopwatch & Countdown sells 3 in-app purchases, starting at $0.99 per month. 勉強タイマー asks for nothing beyond the download.

UpkeepUpdate frequency

Stopwatch & Countdown ships an update every 3 months, 勉強タイマー every 4 weeks. The most recent releases landed on November 3, 2026 and November 10, 2026 respectively.

Scorecard8 real differences · 2 level
Stopwatch & Countdown versus 勉強タイマー: the parameters behind the verdict, then further details
ParameterStopwatch & Countdown勉強タイマー
PriceFree — better$0.99
Rating4.1 (7 ratings) — better—
Positive reviews41.7% of reviews100.0% of reviews — better
Number of ratings7 — better—
Update frequencyEvery 3 monthsEvery 4 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better17.0
Further details — not scored
Size41 MB6 MB
Age rating4+4+
DeveloperNAOYA ONOSMART BIT K.K

Customer experience

Stopwatch & Countdown

All ratings7 ratings
Positive71.4%
Neutral14.3%
Negative14.3%
Written reviews12 reviews
Positive41.7%
Neutral16.7%
Negative41.7%

勉強タイマー

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Stopwatch & Countdown

Subscriptions1
  • Premium Plan$0.991 Month
One-time2
  • Support Developer$0.99
  • Remove ads$24.99
None

勉強タイマー

No in-app purchases

Questions

Is Stopwatch & Countdown free?
Stopwatch & Countdown is free to download, with in-app purchases available.
Is 勉強タイマー free?
勉強タイマー costs $0.99, with no in-app purchases.
Do Stopwatch & Countdown or 勉強タイマー have ads?
Stopwatch & Countdown shows ads; 勉強タイマー does not.
Which is updated more often, Stopwatch & Countdown or 勉強タイマー?
Stopwatch & Countdown ships an update every 3 months, and 勉強タイマー every 4 weeks. Most recently, Stopwatch & Countdown was updated on November 3, 2026 and 勉強タイマー on November 10, 2026.

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