# Seconds Interval Timer vs Restrr

The clearest difference is review sentiment: Seconds Interval Timer at 75% against Restrr's 0%. Seconds Interval Timer also leads on rating (4.7 vs 3.0) and ratings volume (24K vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Seconds Interval Timer sells 1 one-off in-app purchase and Restrr sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Seconds Interval Timer holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Seconds Interval Timer has 24K ratings behind it against 2, 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 0% of Restrr's.

Seconds Interval Timer ships an update monthly, Restrr every 3 months. The most recent releases landed on September 25, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Seconds Interval Timer | Restrr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (24K ratings)](https://appshunter.io/ios/app/seconds-interval-timer/id475816966/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/restrr-gym-rest-timer/id6478751420/reviews) |
| Number of ratings | **24K** | 2 |
| Positive reviews | **75.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 95 MB | 19 MB |
| Requires iOS | **18.0** | 18.5 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Runloop Ltd](https://appshunter.io/developer/325563420) | [Matija Gunther](https://appshunter.io/developer/1733805006) |

## 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


### Restrr

[App page](https://appshunter.io/ios/app/restrr-gym-rest-timer/id6478751420)

Optimize your strength training and HIIT workouts with a smart rest countdown and automatic set counter. Stay focused with customizable notifications and live activity integration. Train more efficiently and effectively.

**Highlights:** Smart rest countdown, Automatic set counter, Live Activities & Dynamic Island integration, Customizable notifications, Workout optimization

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Annual | $8.99 | per year |
| Lifetime | $3.99 | one-time |


## Frequently asked questions

### Is Seconds Interval Timer free?

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

### Is Restrr free?

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

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

Seconds Interval Timer is rated higher. Seconds Interval Timer averages 4.7 out of 5 from 24K ratings, while Restrr averages 3.0 from 2 ratings.

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

Neither Seconds Interval Timer nor Restrr shows ads.

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

Seconds Interval Timer ships an update monthly, and Restrr every 3 months. Most recently, Seconds Interval Timer was updated on September 25, 2026 and Restrr on September 8, 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.*