Clock vs タイムバッテリー
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Clock
This app helps you leave work on time by notifying you of the remaining time until your scheduled finish. It continues to send alerts even when running in the background and supports Apple Watch and widgets.
- Work finish time notifications
- Background operation
- Apple Watch support
- Widget support
- Customizable notification intervals
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Clock-Out Timer keeps one number in front of you: how much of today is left. Working late usually isn't a willpower problem. It's a time-awareness problem. When the time remaining is simply there, in view, deciding to stop gets a lot easier. ■ Visible without opening it At your start time, the time left and a progress bar appear on the Lock Screen and in the Dynamic Island. There are widgets, Lock Screen widgets, Apple Watch complications and a StandBy desk clock too. You never have to open the app. ■ It changes colour as you get close Under an hour to go, it turns orange. At your end time, it says so. Past it, it turns red and counts your overtime, so you always know how far over you are. ■ End your day with one tap "Done for Today" stops today's notifications and the countdown. Marking the end is often what makes the end happen. Staying a bit longer? Extend by 15, 30 or 60 minutes. Stepping away? Start a break. All of it works from the Lock Screen. ■ Build a streak of finishing on time Days you leave on time are recorded automatically and counted as a streak, with days off skipped. It's one more reason to call it a day. ■ Notifications, at your volume Choose Off, Minimal, Standard or Custom. Beyond start and end reminders, you can set your own checkpoints through the day and a countdown before you finish. ■ Quiet on your days off Pick which weekdays you're off and the app stays silent — no notifications, no Live Activity. Finish on time a little more often.
タイムバッテリー
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【時間を大切にしたいあなたへ】 残り時間をバッテリー化する新感覚TODOアプリ! イベントの残り時間がスマートフォンのバッテリー表示のように可視化されることで、締め切りを意識して行動できます。 バッテリーが0%になる前に、ついつい後回しにしがちなタスクを終わらせる手助けをします! 「使い方」 ◇ まず期限のあるイベントを追加しよう ◇ イベントに必要なタスクを細分化して整理しよう 「このアプリの魅力」 - シンプルなデザインかつ、他にはない魅力的なアニメーション - 複雑な設定項目がないので、簡単にすぐ追加できる - 締め切りを自分で設定することで完遂率が向上 - バッテリー表示で直感的に把握できる - イベントに対してタスクを追加するため細分化できる。そして細分化によって、タスクに取り組むハードルがグンと下がる。 - 月毎の統計情報が分かる - ダークモード対応
Screenshots
Verdict
The clearest difference is review sentiment: タイムバッテリー at 100% against Clock's 0%. タイムバッテリー also leads on update cadence (weekly vs every 4 months). Clock's advantage is ads (none vs shown). On price, in-app purchases, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Clock ships an update every 4 months, タイムバッテリー weekly. Both last shipped on October 7, 2026.
| Parameter | Clock | タイムバッテリー |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 months | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, Apple Watch — better | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 4 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | icot | Yuki Mori |
Customer experience
Clock
タイムバッテリー
In-app purchases
Clock
No in-app purchases
タイムバッテリー
No in-app purchases









