Comparison

ZeroPamine vs Rin

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

Head to head
About

ZeroPamine

This app helps you stay focused using a Pomodoro timer with animated themes that evolve as you concentrate. It offers features for sorting focus time, saving routines, and tracking progress with detailed statistics. Start a dopamine detox and improve your productivity with this tool.

Highlights
  • Animated focus themes
  • Categorize focus time
  • Save routines and presets
  • Detailed statistics (daily, weekly, monthly, yearly)
  • Lock screen timer
  • Cloud sync
Features
Read full description

When was the last time you went 25 minutes without checking your phone? A Pomodoro timer with animated themes that come alive as you focus. Start real focus with a dopamine detox. - Free · Pro · Special themes - Sort focus time by your own categories - Save routines and presets - Daily / weekly / monthly / yearly stats with milestones - Lock screen timer - Cloud sync (Google · Apple · Email · Anonymous) Free to start. Pro is a one-time purchase: ad-free · all Pro themes forever. zeropamine.app · zeropamine@appstdo.com

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

ZeroPamine4 screens
Rin3 screens

Verdict

The call

The clearest difference is in-app purchases: Rin at none against ZeroPamine's 2. Rin also leads on ads (none vs shown) and update cadence (every 3 days vs weekly). On price, 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

Both are free to download. ZeroPamine sells 2 one-off in-app purchases. Rin asks for nothing beyond the download.

UpkeepUpdate frequency

ZeroPamine ships an update weekly, Rin every 3 days. The most recent releases landed on June 28, 2026 and September 29, 2026 respectively.

Scorecard3 real differences · 7 level
ZeroPamine versus Rin: the parameters behind the verdict, then further details
ParameterZeroPamineRin
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyWeeklyEvery 3 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, Apple Watch — better
Requires iOS16.2 — better17.0
Further details — not scored
Size95 MB5 MB
Age rating4+4+
DeveloperDong Seok LeeYuka Kubo

In-app purchases

2 purchases

ZeroPamine

One-time2
  • Campfire Theme - Cozy Fire$1.99
  • zeropamine pro$9.99
None

Rin

No in-app purchases

Questions

Is ZeroPamine free?
ZeroPamine is free to download, with in-app purchases available.
Is Rin free?
Rin is free to download, with no in-app purchases.
Do ZeroPamine or Rin have ads?
ZeroPamine shows ads; Rin does not.
Which is updated more often, ZeroPamine or Rin?
ZeroPamine ships an update weekly, and Rin every 3 days. Most recently, ZeroPamine was updated on June 28, 2026 and Rin on September 29, 2026.

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