Best Interval Timer vs HIIT Star
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Best Interval Timer
This app acts as your personal coach, guiding you through workouts with customizable routines. Focus on your exercise while it manages timing for warm-up, high/low intensity intervals, cool-downs, and rest periods.
- Customizable workout routines
- Warm-up, intensity, cool-down, rest periods
- Background and multitasking support
- Adjustable interval sounds and vibrations
- Workout practice tracking
- Landscape and portrait orientation
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This app is like your personal coach, just focus on your workout without having to worry about time, Best Interval Timer will lead you to finish them perfectly. There is one default routine in this free version, but you can edit it to your own one which include warm-up, high/low intensity, cool down and rest time etc, you can custom as many sets as you wish to do. Key Features: ⁃ One default routine. ⁃ Big readable counting down time. ⁃ Start, pause or reset routine. ⁃ Warm up, low intensity, high intensity, cool down, rest time. ⁃ Support background, foreground playing and multitasking. ⁃ Music plays. ⁃ Vibrate or not. ⁃ 15 interval switch sounds. ⁃ 12 background interval pictures available. ⁃ Show number of times you have practiced of one routine. ⁃ Support landscape and portrait. ⁃ Create one reminder to alert you doing your workout. ⁃ Supports universal version. If you have any question or suggestion, please send email to our support userfeed@vip.tom.com.
HIIT Star
This app offers a straightforward way to create and manage high-intensity interval training routines. Customize work and rest periods, name exercises, and save custom workouts for easy repetition. It features a large, visible timer and audio cues to guide you through your sessions.
- Customizable work and rest periods
- Name exercises for prompts
- Save and reuse workout routines
- Large, visible timer
- Audio interval cues
- Dark mode support
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The quickest and simplest app for high intensity interval training. Completely free (no in-app purchase needed). Set your workouts to be as long or short as you wish. Features: • Super simple setup to get a workout up and running in seconds! • Work and rest periods you can set ranging from 5 seconds to 3 minutes • Name your exercises to get prompted during your workout • Save exercise lists to perform again next time • Large timer during workout mode visible when your phone is across the room. • Alternating colours for work and rest periods • Audio to cue when intervals are about to finish • Pause mid-workout • Session timer and indicators to let you know how long is left • Dark mode support Any feedback or suggestions? Get in touch at: support+hiit-star@strongr-app.com - Neil
Screenshots
Verdict
The clearest difference is rating: Best Interval Timer at 4.6 against HIIT Star's 1.0. Best Interval Timer also leads on review sentiment (89% vs 50%) and ratings volume (81 vs 1). HIIT Star's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 12 months). On price, 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.
Best Interval Timer holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Best Interval Timer has 81 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 89% of Best Interval Timer's written reviews are positive against 50% of HIIT Star's.
Best Interval Timer ships an update every 12 months, HIIT Star every 3 weeks. The most recent releases landed on October 11, 2026 and October 8, 2026 respectively.
| Parameter | Best Interval Timer | HIIT Star |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (81 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 89.3% of reviews — better | 50.0% of reviews |
| Number of ratings | 81 — better | 1 |
| Update frequency | Every 12 months | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | 倩 赵 | Neil Smith Design |
Customer experience
Best Interval Timer
HIIT Star
Bugs and requests
Best Interval Timer
Reported bugs
7 issues- App stops working after rating notification
- Buttons don't work after rating notification
- Crashes when saving timers
- Crashes when editing exercises
- Freezes and stops working
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- Lost all timers after reinstalling
- Side view unusable
Requested features
10 requests- Ability to save multiple intervals/routines
- Voice cues for start/stop
- Apple Watch compatibility
- Larger buttons and text
- Option to save different schedules (e.g., Tabata)
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- Fix crashing when saving timers
- Fix crashing when editing exercises
- Improve side view usability
- Remove ads or reduce frequency
- Option to have cool down at the end of all intervals
HIIT Star
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Best Interval Timer
No in-app purchases
HIIT Star
No in-app purchases
Questions
Is Best Interval Timer free?
Is HIIT Star free?
Which has better reviews, Best Interval Timer or HIIT Star?
Do Best Interval Timer or HIIT Star have ads?
Which is updated more often, Best Interval Timer or HIIT Star?
Other comparisons
