プレゼン時計 vs FlowTimer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
プレゼン時計
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「プレゼン時計」は、プレゼンテーションや学会発表の時間管理に特化したタイマーアプリです。 広告なし・完全オフラインで動作します。 【主な機能】 ・カウントダウン/カウントアップに対応 ・1鈴/2鈴/3鈴など、ベル回数と鳴らすタイミングを細かく調整 ・区間(時間帯)ごとに デザイン変更・メッセージ表示が可能 ・多数のフォントから選択して表示をカスタマイズ ・4種類のベル音から選択 ・よく使う設定をプリセット3つまで保存 ・縦向き/横向きそれぞれに最適化した表示(iPhone/iPad対応) ・シンプルで見やすいUI 【使い方】 1. 右上の歯車アイコンからタイマーを作成 2. 「開始」ボタンでスタート
FlowTimer
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See your remaining time at a glance — a bold number, a full-screen segment meter, and color that shifts as time runs out. A minimal, focused visual timer for iPhone and iPad. WHY YOU'LL USE IT • Study or work sessions, including Pomodoro-style intervals • Kids' routines, classrooms, and special-needs support — make "how much longer" visible • Anyone who finds it hard to sense time passing • Cooking, workouts, breaks — anything you need to time • You just want a clean, satisfying timer with nothing extra FEATURES • Wall-clock accurate countdown — stays correct even after returning from the background • Full-screen segment meter shows remaining time at a glance • Smooth color shift as time runs low (teal → amber → orange → red) • Interval mode for repeating work/break cycles (Pomodoro-style) • Weekly report to review how you've been using your time • Live Activity and Lock Screen support to track progress at a glance • Home Screen widget — start a saved timer with one tap • Notification, sound, and haptic feedback when time's up • Built for iPhone and iPad, in English and Japanese A no-frills timer you can actually rely on. TERMS & PRIVACY • Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ • Privacy Policy: https://flow-timer.com/privacy
Screenshots
Verdict
The clearest difference is update cadence: FlowTimer at every 6 days against プレゼン時計's every 9 months. プレゼン時計's advantage is iOS requirement (15.0 vs 26.0). On price, ads, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
プレゼン時計 ships an update every 9 months, FlowTimer every 6 days. The most recent releases landed on October 1, 2026 and September 21, 2026 respectively.
| Parameter | プレゼン時計 | FlowTimer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 42 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Toru Kano | CLEARBIX WORKS |
In-app purchases
プレゼン時計
No in-app purchases
FlowTimer
No in-app purchases









