# Seconds Interval Timer vs Rest Timer

The clearest difference is in-app purchases: Rest Timer at none against Seconds Interval Timer's 1. Rest Timer also leads on review sentiment (100% vs 75%) and rating (4.9 vs 4.7). Seconds Interval Timer's advantage is ratings volume (24K vs 11) and update cadence (monthly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Seconds Interval Timer sells 1 one-off in-app purchase. Rest Timer asks for nothing beyond the download.

Rest Timer holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Seconds Interval Timer has 24K ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 75% of Seconds Interval Timer's written reviews are positive against 100% of Rest Timer's.

Seconds Interval Timer ships an update monthly, Rest Timer every 2 months. The most recent releases landed on September 25, 2026 and July 18, 2026 respectively.

## The numbers

| Metric | Seconds Interval Timer | Rest Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (24K ratings)](https://appshunter.io/ios/app/seconds-interval-timer/id475816966/reviews) | **[4.9 (11 ratings)](https://appshunter.io/ios/app/rest-timer-waitwaitgo/id1162311487/reviews)** |
| Number of ratings | **24K** | 11 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 95 MB | 20 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Runloop Ltd](https://appshunter.io/developer/325563420) | [Srdan Stanic](https://appshunter.io/developer/1162311486) |

## What reviewers say

### Seconds Interval Timer

[App page](https://appshunter.io/ios/app/seconds-interval-timer/id475816966)

This app provides a versatile interval timer for various workout types like Tabata, HIIT, and circuit training. It features a clear, full-screen display, customizable alerts, and background operation. Users can also utilize a stopwatch and countdown timer, with integration for Apple Health.

**Highlights:** Full-screen colored display, Templates for HIIT, Tabata, Circuit Training, Voice and audio alerts, Music assignment per interval, Background operation, Apple Health integration, Stopwatch and countdown timer

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advanced Version | $7.99 | one-time |

**What reviewers like**

- 🚀 Great workout app
- 👍 Customizable and user-friendly
- 🔒 Reliable and stable
- 💡 Versatile for various workouts
- 👍 Easy to create and edit timers

**What reviewers complain about**

- 🐛 Occasional audio issues
- 🔍 Limited Apple Watch integration
- 💰 Paid version required for full functionality
- 🕰️ Time-consuming to set up complex workouts

**Reported bugs**

- Timer sometimes stops working unexpectedly
- Issues with restoring purchases on new devices

**Requested features**

- Ability to change beep/alert volume independently
- Option to delay transition between intervals
- Sync workouts across devices
- More preset workout templates
- Heart rate monitoring integration


### 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


## Frequently asked questions

### Is Seconds Interval Timer free?

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

### Is Rest Timer free?

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

### Which has better reviews, Seconds Interval Timer or Rest Timer?

Rest Timer is rated higher. Seconds Interval Timer averages 4.7 out of 5 from 24K ratings, while Rest Timer averages 4.9 from 11 ratings.

### Do Seconds Interval Timer or Rest Timer have ads?

Neither Seconds Interval Timer nor Rest Timer shows ads.

### Which is updated more often, Seconds Interval Timer or Rest Timer?

Seconds Interval Timer ships an update monthly, and Rest Timer every 2 months. Most recently, Seconds Interval Timer was updated on September 25, 2026 and Rest Timer on July 18, 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.*