RoundBell vs Boxing Timekeeper
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RoundBell
This interval timer app is designed for boxing, kickboxing, and martial arts training. It offers customizable round times, audio cues, and voice alerts to keep you on track during workouts. Save your preferred settings for quick access and enjoy a clear, large display visible from a distance.
- Customizable round and interval times
- Gong and horn sound alerts
- Audio countdowns and voice notifications
- Save and load custom presets
- Haptic feedback for notifications
- Screen wake lock for continuous display
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RoundBell is the ultimate interval timer for boxing, kickboxing, and martial arts training. FEATURES: - Round Timer: Customize round time, interval time, and total rounds - Gong & Horn: Round start/end gong sounds and warning horn before round ends - Countdown Beeps: Audio countdown for the final 3 seconds - Voice Alerts: "1 minute remaining" and "30 seconds remaining" voice notifications - 6 Built-in Presets: Beginner 1min, Boxing 3min, Kickboxing 2min, HIIT 30s, MMA 5min, and Tabata 20/10 - Custom Presets: Save favorite settings and switch instantly - Training History: Review completed sessions, streaks, and total rounds - Apple Health: Optionally save completed workouts - Haptic Feedback: Vibration notifications when sound isn't enough - Screen Wake Lock: Screen stays on during your workout - Japanese/English support PERFECT FOR: - Boxing and kickboxing training - Pad work and heavy bag sessions - Sparring round management - HIIT and interval training Clean dark theme design with large, easy-to-read timer display - visible from across the gym.
Boxing Timekeeper
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Boxing TimeKeeperは、ボクシングや格闘技のトレーニングに使えるシンプルなラウンドタイマーです。 大きく見やすいタイマー表示と、グローブを着けたままでも操作しやすい画面設計を採用。縦向き・横向きの両方に対応し、iPhoneとiPadで利用できます。 主な機能 ・ラウンド数、ラウンド時間、休憩時間、開始前カウントダウンの設定 ・ラウンド開始・終了時のベル音 ・ラウンド終了10秒前のクラップ音 ・リングベルとクラップ音の個別音量調整 ・好きな音声ファイルをクラップ音として設定 ・端末で録音した音をクラップ音として設定 ・録音開始前の3秒カウントダウン ・画面タップによる開始と一時停止 ・停止中の状態が分かりやすいグレー表示 ・縦向き・横向き表示への対応 録音した音声や読み込んだ音声、タイマー設定は端末内にのみ保存されます。アカウント登録、広告、個人情報の収集はありません。 Sound Credits: https://tarohida.github.io/boxing-timekeeper-support/credits.html
Screenshots
Verdict
The clearest difference is update cadence: RoundBell at every 5 days against Boxing Timekeeper's every 4 weeks. 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.
RoundBell ships an update every 5 days, Boxing Timekeeper every 4 weeks. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.
| Parameter | RoundBell | Boxing Timekeeper |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 5 days — better | Every 4 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 3 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Starcrown Inc | Taro Hida |
In-app purchases
RoundBell
No in-app purchases
Boxing Timekeeper
No in-app purchases








