# Custom Running Intervals vs Interval Trainr

The clearest difference is in-app purchases: Interval Trainr at none against Custom Running Intervals's 1. Interval Trainr also leads on update cadence (monthly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Custom Running Intervals sells 1 one-off in-app purchase. Interval Trainr asks for nothing beyond the download.

Custom Running Intervals ships an update every 3 months, Interval Trainr monthly. Both last shipped on October 9, 2026.

## The numbers

| Metric | Custom Running Intervals | Interval Trainr |
| --- | --- | --- |
| 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 | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 30 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [John Mallonee](https://appshunter.io/developer/1520115384) | [Timothy Maloney](https://appshunter.io/developer/6784841580) |

## 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 |


### Interval Trainr

[App page](https://appshunter.io/ios/app/interval-trainr/id6806787949)

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

**In-app purchases:** none


## Frequently asked questions

### Is Custom Running Intervals free?

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

### Is Interval Trainr free?

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

### Do Custom Running Intervals or Interval Trainr have ads?

Neither Custom Running Intervals nor Interval Trainr shows ads.

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

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