# Simple Interval Timer vs RUN interval

The clearest difference is rating: RUN interval at 4.7 against Simple Interval Timer's 4.0. RUN interval also leads on review sentiment (77% vs 50%) and ratings volume (1K vs 2). Simple Interval Timer's advantage is in-app purchases (none vs 2) and update cadence (every 5 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. RUN interval sells 2 one-off in-app purchases. Simple Interval Timer asks for nothing beyond the download.

RUN interval holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: RUN interval has 1K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 50% of Simple Interval Timer's written reviews are positive against 77% of RUN interval's.

Simple Interval Timer ships an update every 5 days, RUN interval every 3 months. The most recent releases landed on October 1, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Simple Interval Timer | RUN interval |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/simple-interval-timer-sit/id630361167/reviews) | **[4.7 (1K ratings)](https://appshunter.io/ios/app/run-interval-running-timer/id1352270752/reviews)** |
| Number of ratings | 2 | **1K** |
| Positive reviews | 50.0% of reviews | **77.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 34 MB |
| Requires iOS | **13.5** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [DES Productions](https://appshunter.io/developer/541744954) | [CAN YOU HEAR ME SOFTWARE](https://appshunter.io/developer/711042540) |

## What reviewers say

### Simple Interval Timer

[App page](https://appshunter.io/ios/app/simple-interval-timer-sit/id630361167)

This app provides a customizable interval timer for various training methods like HIIT, Tabata, and boxing. Structure your workouts to achieve your fitness goals with configurable sets and timers.

**Highlights:** Customizable interval sets, Configurable workout values, Supports HIIT, Tabata, boxing, sprints, Workout structure and discipline, Achieve fitness goals

**Features:** macOS Compatibility

**In-app purchases:** none


### RUN interval

[App page](https://appshunter.io/ios/app/run-interval-running-timer/id1352270752)

This app simplifies interval and Fartlek running by allowing you to set custom targets for time or distance during hard, easy, and rest efforts. It offers detailed post-run summaries, audio and visual feedback, and an Apple Watch app for enhanced training.

**Highlights:** Customizable interval sessions, Time and distance targets, Distance Goal option, Audio and visual feedback, Detailed run summaries, Apple Watch app, Strava sharing

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The full RUN interval | $1.99 | one-time |
| The full RUN interval | $3.99 | one-time |


## Frequently asked questions

### Is Simple Interval Timer free?

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

### Is RUN interval free?

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

### Which has better reviews, Simple Interval Timer or RUN interval?

RUN interval is rated higher. Simple Interval Timer averages 4.0 out of 5 from 2 ratings, while RUN interval averages 4.7 from 1K ratings.

### Do Simple Interval Timer or RUN interval have ads?

Neither Simple Interval Timer nor RUN interval shows ads.

### Which is updated more often, Simple Interval Timer or RUN interval?

Simple Interval Timer ships an update every 5 days, and RUN interval every 3 months. Most recently, Simple Interval Timer was updated on October 1, 2026 and RUN interval on October 12, 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.*