TempoRound vs RoundBell
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TempoRound
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TempoRoundは、メトロノームとインターバルタイマーを 組み合わせた、新感覚トレーニングタイマーです。 リズムに合わせてパンチを打つ。テンポ通りにスクワットする。 ケイデンスを維持してインターバルを走る。 トレーニングに「リズム」という軸を加えるだけで、 動きの質が変わります。 ◆ こんなトレーニングに ・ボクシング / シャドーボクシング ・HIIT / タバタ式トレーニング ・ウェイトトレーニングのテンポコントロール ・縄跳び / インターバルランニング ◆ 主な機能 ・メトロノーム(40〜208 BPM) ・インターバルタイマー(ラウンド / 休憩 / ラウンド数) ・離れていても見やすい大きな表示 ・横向き表示対応 ◆ シンプル設計 必要な機能だけ。複雑な設定は不要です。 アプリを開いたらすぐにトレーニングを始められます。 広告なし。サブスクなし。 さあ、動こう。 お問い合わせ: info@yrd.jp
RoundBell
This interval timer app is designed for boxing, kickboxing, and martial arts training. It offers customizable round settings, audio and haptic alerts, and built-in presets. Track your training history and sync with Apple Health.
- Customizable round and interval times
- Gong, horn, and countdown beeps
- Voice alerts for remaining time
- 6 built-in training presets
- Save custom presets
- Training history tracking
- Apple Health integration
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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.
Screenshots
Verdict
The clearest difference is in-app purchases: TempoRound at none against RoundBell's 3. TempoRound also leads on update cadence (daily vs every 6 days) and iOS requirement (15.1 vs 17.0). On price, ads 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. RoundBell sells 3 one-off in-app purchases. TempoRound asks for nothing beyond the download.
TempoRound ships an update daily, RoundBell every 6 days. The most recent releases landed on October 31, 2026 and November 7, 2026 respectively.
| Parameter | TempoRound | RoundBell |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Daily — better | Every 6 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 42 MB | 5 MB |
| Age rating | 4+ | +4 |
| Developer | YRD, K.K. | Starcrown Inc |
In-app purchases
TempoRound
No in-app purchases
RoundBell
- Coffee$0.49
- Cookie$2.99
- Cake$6.99









