# Running Interval Timer HIIT vs RunSplit

The clearest difference is update cadence: RunSplit at every 2 days against Running Interval Timer HIIT's every 4 months. Running Interval Timer HIIT's advantage is iOS requirement (12.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Running Interval Timer HIIT sells 6 in-app purchases, starting at $5.99 per month and RunSplit sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Running Interval Timer HIIT ships an update every 4 months, RunSplit every 2 days. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Running Interval Timer HIIT | RunSplit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 2 days** |
| Size | 42 MB | 18 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Ali Umer](https://appshunter.io/developer/1584417594) | [Zeus Solomon Olivar](https://appshunter.io/developer/1820417092) |

## What reviewers say

### Running Interval Timer HIIT

[App page](https://appshunter.io/ios/app/running-interval-timer-hiit/id6751126058)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Running Timer | $5.99 | per month |
| Running Interval | $7.99 | per 7 days |
| Running Timer | $12.99 | per 3 months |
| Running Timer | $19.99 | per 6 months |
| Running Interval | $34.99 | per year |
| Running Timer | $34.99 | one-time |


### RunSplit

[App page](https://appshunter.io/ios/app/runsplit-interval-coach/id6762451782)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gel | $0.99 | one-time |
| Remove Ads | $0.99 | one-time |
| Energy Bar | $2.99 | one-time |
| Race Entry | $4.99 | one-time |


## Frequently asked questions

### Is Running Interval Timer HIIT free?

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

### Is RunSplit free?

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

### Do Running Interval Timer HIIT or RunSplit have ads?

Both Running Interval Timer HIIT and RunSplit show ads.

### Which is updated more often, Running Interval Timer HIIT or RunSplit?

Running Interval Timer HIIT ships an update every 4 months, and RunSplit every 2 days. Most recently, Running Interval Timer HIIT was updated on October 8, 2026 and RunSplit on October 7, 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.*