# Rest Timer vs HIIT Timer

The clearest difference is review sentiment: Rest Timer at 100% against HIIT Timer's 0%. Rest Timer also leads on rating (4.9 vs 3.0) and in-app purchases (none vs 2). HIIT Timer's advantage is update cadence (every 9 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. HIIT Timer sells 2 in-app purchases, starting at $2.99 per month. Rest Timer asks for nothing beyond the download.

Rest Timer holds the better App Store score, 4.9 against 3.0. That said, the two scores are not equally well evidenced: Rest Timer has 11 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Rest Timer's written reviews are positive against 0% of HIIT Timer's.

Rest Timer ships an update every 2 months, HIIT Timer every 9 days. The most recent releases landed on September 26, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Rest Timer | HIIT Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (11 ratings)](https://appshunter.io/ios/app/rest-timer-waitwaitgo/id1162311487/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/hiit-timer-interval-workout/id6792977286/reviews) |
| Number of ratings | **11** | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | **Free** | Freemium |
| Size | 20 MB | 32 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Srdan Stanic](https://appshunter.io/developer/1162311486) | [浩祖 彭](https://appshunter.io/developer/6790351936) |

## What reviewers say

### Rest Timer

[App page](https://appshunter.io/ios/app/rest-timer-waitwaitgo/id1162311487)

This app provides a simple countdown timer for rest periods during workouts. It features customizable sounds, notification-based restarts, and dynamic display support. Easily manage your workout intervals without interrupting your music or unlocking your phone.

**Highlights:** One-tap timer start, Customizable rest periods, Plays music during countdown, Restart from notification, Dynamic Island and Live Activity support, Adjust timer while running

**Features:** macOS Compatibility

**In-app purchases:** none


### HIIT Timer

[App page](https://appshunter.io/ios/app/hiit-timer-interval-workout/id6792977286)

This app helps you create and follow custom interval training routines for various fitness activities. It provides clear visual cues, voice announcements, and haptic feedback to keep you focused. Track your progress with a detailed dashboard of completed workouts and training streaks.

**Highlights:** Customizable workout creation, Visual and audio cues, Haptic feedback, Progress tracking dashboard, Background audio support, Pause/continue functionality

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| Lifetime Pass | $19.99 | one-time |


## Frequently asked questions

### Is Rest Timer free?

Rest Timer is free to download, with no in-app purchases.

### Is HIIT Timer free?

HIIT Timer is free to download, with in-app purchases available.

### Which has better reviews, Rest Timer or HIIT Timer?

Rest Timer is rated higher. Rest Timer averages 4.9 out of 5 from 11 ratings, while HIIT Timer averages 3.0 from 1 ratings.

### Do Rest Timer or HIIT Timer have ads?

Neither Rest Timer nor HIIT Timer shows ads.

### Which is updated more often, Rest Timer or HIIT Timer?

Rest Timer ships an update every 2 months, and HIIT Timer every 9 days. Most recently, Rest Timer was updated on September 26, 2026 and HIIT Timer on September 19, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*