# Core Advantage Interval Timer vs RUN interval

The clearest difference is in-app purchases: Core Advantage Interval Timer at none against RUN interval's 2. Core Advantage Interval Timer also leads on rating (5.0 vs 4.7) and iOS requirement (11.0 vs 15.6). RUN interval's advantage is review sentiment (77% vs 50%) and ratings volume (1K vs 4). On price, update cadence, ads and device support there is nothing between them.

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

Core Advantage Interval Timer holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: RUN interval has 1K ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 50% of Core Advantage Interval Timer's written reviews are positive against 77% of RUN interval's, so the app with the better star average is not the one people write more warmly about.

Core Advantage Interval Timer ships an update every 2 months, RUN interval every 3 months. The most recent releases landed on October 6, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Core Advantage Interval Timer | RUN interval |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/core-advantage-interval-timer/id1326735105/reviews)** | [4.7 (1K ratings)](https://appshunter.io/ios/app/run-interval-running-timer/id1352270752/reviews) |
| Number of ratings | 4 | **1K** |
| Positive reviews | 50.0% of reviews | **77.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 16 MB | 34 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Core Advantage Pty Ltd](https://appshunter.io/developer/1326735104) | [CAN YOU HEAR ME SOFTWARE](https://appshunter.io/developer/711042540) |

## What reviewers say

### Core Advantage Interval Timer

[App page](https://appshunter.io/ios/app/core-advantage-interval-timer/id1326735105)

Create and follow custom interval training routines or choose from pre-built workouts. This app supports various training styles, from high-intensity sprints to tempo control and stretching protocols, with adjustable music volume.

**Highlights:** Customizable workout builder, Pre-built workout library, Adjustable interval volume, Training metronome, Repeat sprint timer, Tempo control timer

**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 Core Advantage Interval Timer free?

Core Advantage 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, Core Advantage Interval Timer or RUN interval?

Core Advantage Interval Timer is rated higher. Core Advantage Interval Timer averages 5.0 out of 5 from 4 ratings, while RUN interval averages 4.7 from 1K ratings.

### Do Core Advantage Interval Timer or RUN interval have ads?

Neither Core Advantage Interval Timer nor RUN interval shows ads.

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

Core Advantage Interval Timer ships an update every 2 months, and RUN interval every 3 months. Most recently, Core Advantage Interval Timer was updated on October 6, 2026 and RUN interval on October 15, 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.*