Focus One vs さっとタイマー
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Focus One
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Focus One is the ultimate simple Pomodoro timer for concentration improvement. KEY FEATURES: - One-tap focus session start - Phone blocking feature automatically blocks distracting apps - Custom work and break time settings - Ultra-simple, stress-free functionality - No ads, completely free PERFECT FOR: - Students who want to focus on studying - Workers looking to boost productivity - Anyone wanting to overcome phone addiction HOW TO USE: 1. Set your focus time 2. One-tap to start 3. Apps automatically blocked Build efficient focus habits with the Pomodoro Technique. Experience enhanced concentration with Focus One.
さっとタイマー
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「さっとタイマー」は、仕事・勉強・料理など、日常のあらゆるシーンで時間をサッとセットできる、シンプルで美しいタイマーアプリです。 【主な機能】 ・ロック画面からワンタップ起動:よく使うプリセット時間をワンタップで即時スタート! ・ポモドーロモード:集中と休憩のサイクルで生産性を高めます。 ・好きな時間をカスタム:自分のライフスタイルに合わせたタイマーを登録・編集・並べ替え。 ・お気に入りのアラーム音:ミュージックライブラリから好きな曲を選択可能。 ・ロック画面ウィジェット(Live Activity):アプリを閉じても、ロック画面から残り時間をリアルタイムに確認できます。 ※一部の機能(ポモドーロモード、音楽アラーム、カスタム時間の追加など)のご利用には「さっとタイマー Pro」(アプリ内課金・買い切り)へのアップグレードが必要です。
Screenshots
Verdict
Focus One and さっとタイマー are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Focus One | さっとタイマー |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 15 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | KYUNG SUK PARK | Shin ito |
In-app purchases
Focus One
No in-app purchases
さっとタイマー
No in-app purchases









