# Custom Running Intervals vs RunKit

The clearest difference is review sentiment: RunKit at 87% against Custom Running Intervals's 0%. RunKit also leads on rating (4.8 vs 2.0) and update cadence (fortnightly vs every 3 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Custom Running Intervals sells 1 one-off in-app purchase and RunKit sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

RunKit holds the better App Store score, 4.8 against 2.0. That said, the two scores are not equally well evidenced: RunKit has 56 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Custom Running Intervals's written reviews are positive against 87% of RunKit's.

Custom Running Intervals ships an update every 3 months, RunKit fortnightly. Both last shipped on November 3, 2026.

## The numbers

| Metric | Custom Running Intervals | RunKit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/custom-running-intervals/id1533333253/reviews) | **[4.8 (56 ratings)](https://appshunter.io/ios/app/runkit-custom-running-workout/id6468424764/reviews)** |
| Number of ratings | 1 | **56** |
| Positive reviews | 0.0% of reviews | **86.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 11 MB | 56 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [John Mallonee](https://appshunter.io/developer/1520115384) | [Arnaud Dupuy](https://appshunter.io/developer/1458898028) |

## 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 |


### RunKit

[App page](https://appshunter.io/ios/app/runkit-custom-running-workout/id6468424764)

Create, schedule, and execute custom workouts for a variety of sports. Plan multi-week training programs and sync them directly to your Apple Watch for seamless execution and real-time metrics. Track progress and get race-time predictions.

**Highlights:** Multi-step workout creation, Workout scheduling and calendar view, Apple Watch syncing, Support for multiple sports, Training plan building, Workout library management

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $3.99 | per month |
| Premium | $19.99 | per year |

**What reviewers like**

- 👍 Easy to use interface
- 👍 Great for custom workouts
- 👍 Seamless Apple Watch integration
- 👍 Helps with interval training
- 👍 Good for planning runs

**What reviewers complain about**

- 🐛 Cannot share workouts through WhatsApp
- 🐛 Subscription error message
- 🐛 Not working after recent updates
- 🐛 Lost all data after reinstalling
- 🐛 No support response

**Reported bugs**

- App not working after recent updates
- Lost all data after reinstalling
- Cannot share workouts through WhatsApp
- Subscription error message
- Sharing feature not working

**Requested features**

- Smaller pace integers
- Ability to create workouts for strength training
- Folders or tags for organizing workouts
- Ability to connect headphones via Apple Watch for audio feedback
- Desktop or web version for easier workout creation


## Frequently asked questions

### Is Custom Running Intervals free?

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

### Is RunKit free?

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

### Which has better reviews, Custom Running Intervals or RunKit?

RunKit is rated higher. Custom Running Intervals averages 2.0 out of 5 from 1 ratings, while RunKit averages 4.8 from 56 ratings.

### Do Custom Running Intervals or RunKit have ads?

Neither Custom Running Intervals nor RunKit shows ads.

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

Custom Running Intervals ships an update every 3 months, and RunKit fortnightly. Most recently, Custom Running Intervals was updated on November 3, 2026 and RunKit on November 3, 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.*