# Custom Running Intervals vs Sport Timer

The clearest difference is update cadence: Sport Timer at every 3 weeks against Custom Running Intervals's every 3 months. On price, ads, 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 Sport Timer sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Custom Running Intervals ships an update every 3 months, Sport Timer every 3 weeks. The most recent releases landed on August 2, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Custom Running Intervals | Sport Timer |
| --- | --- | --- |
| 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 | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 60 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [John Mallonee](https://appshunter.io/developer/1520115384) | [Oliver Glaettli](https://appshunter.io/developer/1515025314) |

## 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 |


### Sport Timer

[App page](https://appshunter.io/ios/app/sport-timer-interval-tracker/id1628356363)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sports Timers Set One | $4.99 | one-time |
| Full Sports Timers Version | $7.99 | one-time |


## Frequently asked questions

### Is Custom Running Intervals free?

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

### Is Sport Timer free?

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

### Do Custom Running Intervals or Sport Timer have ads?

Neither Custom Running Intervals nor Sport Timer shows ads.

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

Custom Running Intervals ships an update every 3 months, and Sport Timer every 3 weeks. Most recently, Custom Running Intervals was updated on August 2, 2026 and Sport Timer on September 9, 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.*