# Custom Running Intervals vs Running Interval Timer HIIT

The clearest difference is ads: Custom Running Intervals at none against Running Interval Timer HIIT's shown. Running Interval Timer HIIT's advantage is iOS requirement (12.0 vs 16.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Custom Running Intervals sells 1 one-off in-app purchase and Running Interval Timer HIIT sells 6 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Custom Running Intervals ships an update every 3 months, Running Interval Timer HIIT every 4 months. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Custom Running Intervals | Running Interval Timer HIIT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/custom-running-intervals/id1533333253/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 42 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [John Mallonee](https://appshunter.io/developer/1520115384) | [Ali Umer](https://appshunter.io/developer/1584417594) |

## What reviewers say

### Custom Running Intervals

[App page](https://appshunter.io/ios/app/custom-running-intervals/id1533333253)

Create custom running workouts with flexible intervals based on time or distance. Track progress, build training plans, and analyze past runs with detailed results. Your data is private and stored securely on your device or iCloud.

**Highlights:** Configurable time or distance intervals, Repeatable interval blocks, Training plan calendar, Historical run analysis, Apple Watch monitoring, iCloud synchronization, Data privacy

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Capabilities | $0.99 | one-time |


### 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 |


## Frequently asked questions

### Is Custom Running Intervals free?

Custom Running Intervals is free to download, with in-app purchases available.

### Is Running Interval Timer HIIT free?

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

### Do Custom Running Intervals or Running Interval Timer HIIT have ads?

Running Interval Timer HIIT shows ads; Custom Running Intervals does not.

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

Custom Running Intervals ships an update every 3 months, and Running Interval Timer HIIT every 4 months. Most recently, Custom Running Intervals was updated on October 9, 2026 and Running Interval Timer HIIT on October 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.*