Comparison

PTimer vs Rin

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

Head to head
About

PTimer

Features
Read full description

Focus matters. But so does rest. PTimer is a Pomodoro timer that supports both — your way. 【Sound the shift】 Mark every work-to-break and break-to-work moment with a sound you actually like. Choose from 20 system sounds or bring in your own music or audio files. Set a different sound for each transition. 【Make the time yours】 Change the timer font to any typeface you like, including your own font files. 【Honor your rest】 Breaks you spend quietly — without touching or lifting your device — can be saved to Apple Health as mindful minutes (opt-in in Settings). 【More features】 · 5 color themes: Green, Silver, Blush, Indigo, Citrus · Widget support (Home Screen / Lock Screen) · Live Activity support · Control support — launch from Control Center, Lock Screen, or the Action button (iOS 18+) · Apple Watch support · Low power mode 【About Pomodoro】 25 minutes of focused work, followed by a short break — repeated. Session length and break duration are fully adjustable.

About

Rin

Features
Read full description

Rinは、時間の流れを円形リングで直感的に確認できる、シンプルな集中タイマーです。アプリを開くとすぐにタイマーが表示され、余計な操作をせず集中を始められます。 主な機能 ・1〜180分で設定できるカウントダウンタイマー ・経過時間を記録するカウントアップタイマー ・横画面に最適化した大きな円形表示 ・ロック画面とDynamic Islandに時間を表示するLive Activity ・終了音のオン/オフ設定と、タイマー画面での音状態表示 ・セッション終了後のタグ選択・新規タグ作成 ・今日の集中時間、回数、平均、タグ別内訳を表示するダッシュボード ・日付ごとに確認できる集中履歴 ・ライト/ダーク表示とリングカラーの変更 ・Apple Watchアプリと文字盤コンプリケーション ・カウントダウン/カウントアップを別々のコンプリケーションとして配置 ・Digital Crownによるカウントダウン時間の調整 ・iPhoneとApple Watch間のタイマー同期 履歴、タグ、設定は端末内に保存されます。アカウント登録、広告、トラッキング、外部サーバーへのデータ送信はありません。 仕事、勉強、読書、家事など、区切って取り組みたい時間にRinをご利用ください。

Screenshots

PTimer4 screens
Rin3 screens

Verdict

The call

The clearest difference is price: Rin at Free against PTimer's $0.99. Rin also leads on in-app purchases (none vs 3) and update cadence (every 3 days vs every 6 days). On ads, device support and iOS requirement 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

Rin is free to download; PTimer costs $0.99 up front. PTimer sells 3 one-off in-app purchases. Rin asks for nothing beyond the download.

UpkeepUpdate frequency

PTimer ships an update every 6 days, Rin every 3 days. The most recent releases landed on September 23, 2026 and August 28, 2026 respectively.

Scorecard3 real differences · 3 level
PTimer versus Rin: the parameters behind the verdict, then further details
ParameterPTimerRin
Price$0.99Free — better
Update frequencyEvery 6 daysEvery 3 days — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPad, Apple WatchiPhone, iPad, Apple Watch
Requires iOS17.017.0
Further details — not scored
Size21 MB5 MB
Age rating4+4+
Developerakira kawakamiYuka Kubo

In-app purchases

3 purchases

PTimer

One-time3
  • Coffee$3.99
  • ランチ$9.99
  • お寿司$19.99
None

Rin

No in-app purchases

Questions

Is PTimer free?
PTimer costs $0.99, and also offers in-app purchases.
Is Rin free?
Rin is free to download, with no in-app purchases.
Do PTimer or Rin have ads?
Neither PTimer nor Rin shows ads.
Which is updated more often, PTimer or Rin?
PTimer ships an update every 6 days, and Rin every 3 days. Most recently, PTimer was updated on September 23, 2026 and Rin on August 28, 2026.

Other comparisons