HearTime vs BoxFlow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HearTime
This app provides spoken timers for workouts and daily tasks, allowing users to maintain pace without looking at their screen. It offers features like automatic counting with compatible headphones, customizable routines, and Siri integration for hands-free control.
- Spoken stopwatch and countdown timers
- Automatic jump rope and squat counting
- Multi-step routines with rest periods
- Nine offline synthetic voices
- Siri and App Shortcuts integration
- Lock Screen status with Live Activities
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Your workout. Timed by voice. HearTime is an interval workout timer with spoken cues. Set up your warm-up, exercise, rest and cooldown, then follow each step without repeatedly checking your phone. Use it for HIIT, Tabata, circuit training, bodyweight workouts at home and stretching—or a few minutes of movement at the office. Train at your own pace • Set count-up and countdown timers, preparation time and rests. • Combine steps into routines with repeating rounds and rests between groups. • Save your favorite presets and routines, ready to start again next time. Listen and focus on your workout • Choose announcement intervals, voices and speech speed, with optional beats. • Built-in voices play offline after installation. • Hear spoken cues in the background and control timing with Siri and Shortcuts. • Check your timer on the Lock Screen with Live Activities. See what you have practiced • Review daily sessions in the practice calendar, with weekly and monthly summaries. • Enable Apple Health recording to save completed workouts or breathing exercises in the Health app. More ways to practice • Add a reference video link to a routine. After switching to another app, check progress with the Picture in Picture floating timer. • Count jumps and squats automatically with compatible AirPods that support head tracking. • Follow spoken numbers for breathing practice, or add breathing exercises to a multi-step routine. Basic timing is free. Some advanced features require HearTime Pro, a one-time purchase with no subscription. No account required. No ads. Your presets, routines, practice records and settings are stored on your device by default. Optional anonymous usage analytics can be turned off in Settings.
BoxFlow
This app guides users through shadow boxing rounds with timed work and rest periods. It paces breathing exercises and provides a single focus cue for each session. Users can track progress and access a library of boxing techniques.
- Timed boxing rounds
- Paced breathing exercises
- Daily focus cue
- Technique library
- Progress tracking
- Unlimited rounds
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BoxFlow runs your shadow boxing rounds, paces your breathing in the rest, and gives you one thing to work on. Built for beginners who shadow box at home. Unlike boxing apps that claim to watch your form, it has no camera and no sensors, and it never watches you train. It counts what it called and records what you told it — and it says which is which on every screen. THE ROUND BoxFlow calls the tempo and the combinations, so it knows exactly how many punches it asked for. Work and rest are timed against the plan, and the bell is a full-screen colour change you cannot miss. THE SIXTH BREATH A one-minute rest paced at six breaths a minute is exactly six breaths. BoxFlow paces them, you tap the ring at the end of each exhale, and every confirmed breath prints a mark on the ring. Six a minute beat both box breathing and free breathing on heart rate and perceived effort in a randomised trial of exactly this rest interval. ONE CUE, CHOSEN BY YOU Coaches at a national championship averaged eight instructions a round. You get one, you pick it from three, and it is phrased as something to do out in the world rather than something to think about inside your body — the phrasing that measurably improves punch speed and force. THE LADDER Six rungs of round structure. You move up when your last three sessions say you are ready, not when the calendar says so. TECHNIQUE, WITH ITS SOURCE SHOWN Teaching points and common mistakes taken from the international amateur boxing coaching manual, plus a plain answer to the claims this sport repeats — box breathing, 10,000 hours, 300 reps a day, and apps that say they can measure your form. FREE, FOREVER The whole training loop: unlimited rounds, every ladder rung, the breath pacer, the daily cue, the full technique library, your streak, and your last 14 sessions. The timer is never paywalled. BOXFLOW PRO (optional subscription) Unlimited history, the breath and cue trends, effort-versus-output insights, unlimited custom combinations, and CSV export of your own log. - Monthly or annual, with a 7-day free trial - Payment is charged to your Apple ID at confirmation; auto-renews unless cancelled at least 24 hours before the period ends; manage or cancel in Settings BoxFlow is training practice, not medical advice. Privacy Policy: https://preview.apppublishing.ai/legal/778/privacy Terms of Use (EULA): https://preview.apppublishing.ai/legal/778/terms
Screenshots
Verdict
The clearest difference is iOS requirement: BoxFlow at 15.1 against HearTime's 17.0. On price, rating, ratings volume and ads 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. HearTime sells 2 one-off in-app purchases and BoxFlow sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for HearTime against 5.0 for BoxFlow. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
| Parameter | HearTime | BoxFlow |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 4 days | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 63 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | 平 丁 | ASHOK KUMAR |
In-app purchases
HearTime
- 7-day TrialFree
- HearTime Pro Lifetime$14.99
BoxFlow
- BoxFlow Pro Monthly7 Days trial$9.991 Month
- BoxFlow Pro Annual7 Days trial$79.991 Year









