Comparison

Round Timer vs Super Simple Timer

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

Head to head
About

Round Timer

Features
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自由にカスタマイズできるシンプルタイマー。 トレーニングや勉強、休憩時間の管理にぴったり! このアプリは、トレーニングや集中作業、休憩時間の管理を、あなたのスタイルに合わせて自由にカスタマイズできるタイマーです。 「タイマーの長さ」「ラウンド数」「休憩時間」を自分好みに設定できるので、たとえば以下のようなシーンで活躍します。 筋トレやインターバルトレーニング ポモドーロ・テクニックを使った勉強や仕事 ヨガやストレッチのポーズ切り替え お昼寝や休憩時間の管理 お子さまの集中時間のサポート など 操作はとてもかんたん。 設定してスタートするだけ。 各ラウンドや休憩のタイミングも音や振動でしっかりお知らせします。 画面を見なくても、今が「動く時間」か「休む時間」かがすぐに分かります。 黒を基調にしたスタイリッシュなデザインで、シンプルだけど使いやすい。 どんな場面にもすっとなじむ、ミニマルなタイマーです。 主な機能 タイマー時間・ラウンド数・休憩時間を自由に設定 各フェーズの開始・終了を音やバイブでお知らせ 視認性に優れたシンプル&洗練された黒ベースのUI こんな方におすすめ! 自宅での筋トレや運動を習慣にしたい方 勉強や作業の集中時間を管理したい方 シンプルでおしゃれなタイマーを探している方 自分のペースで生活リズムを整えたい方 毎日のルーティンに、ちょっとした「区切り」と「メリハリ」を。 あなたの時間を、あなたらしく使うための、新しいタイマーです。

About

Super Simple Timer

Features
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This app focuses on simplicity, showing only the elapsed time in large, easy-to-read numbers. No setup required—just open and start using this simple timer. Supports count-up only, with no sound or vibration alerts. It has only two buttons: Start/Pause and Reset. Intuitive and easy for anyone to use. No extra features or settings. The app uses a black background with large numbers, making the time easy to see even in low-light environments. You can use this app for simple time measurement in daily activities, such as studying, work sessions, exercise, presentations, meetings, or other tasks. No advertisements are displayed. [Restrictions and Disclaimers] ・Screen Display: This app is designed exclusively for Landscape mode. If displayed in portrait mode due to OS-level settings or specific device features, the layout may not render correctly. ・Background Operation: Accuracy is not guaranteed while the app is in the background or the device is in sleep mode. Depending on the OS version and power-saving settings, the timer may be delayed or suspended. For accurate results, we recommend keeping the app in the foreground.

Screenshots

Round Timer3 screens
Super Simple Timer4 screens

Verdict

The call

The clearest difference is ads: Super Simple Timer at none against Round Timer's shown. Super Simple Timer also leads on update cadence (monthly vs every 2 months). Round Timer's advantage is iOS requirement (12.0 vs 15.6). 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

Round Timer ships an update every 2 months, Super Simple Timer monthly. The most recent releases landed on October 25, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 5 level
Round Timer versus Super Simple Timer: the parameters behind the verdict, then further details
ParameterRound TimerSuper Simple Timer
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 2 monthsMonthly — better
AdsYesNo — better
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better15.6
Further details — not scored
Size29 MB17 MB
Age rating4+4+
DeveloperKeita TateishiInternational Systems Corporation

In-app purchases

None

Round Timer

No in-app purchases

None

Super Simple Timer

No in-app purchases

Questions

Is Round Timer free?
Round Timer is free to download, with no in-app purchases.
Is Super Simple Timer free?
Super Simple Timer is free to download, with no in-app purchases.
Do Round Timer or Super Simple Timer have ads?
Round Timer shows ads; Super Simple Timer does not.
Which is updated more often, Round Timer or Super Simple Timer?
Round Timer ships an update every 2 months, and Super Simple Timer monthly. Most recently, Round Timer was updated on October 25, 2026 and Super Simple Timer on November 5, 2026.

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