# IntervalGuide vs KesselRUN Running

The clearest difference is in-app purchases: KesselRUN Running at none against IntervalGuide's 1. KesselRUN Running also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. IntervalGuide sells 1 in-app purchase, starting at $2.99 per month. KesselRUN Running asks for nothing beyond the download.

IntervalGuide ships an update every 11 days, KesselRUN Running every 9 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | IntervalGuide | KesselRUN Running |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 11 days | **Every 9 days** |
| Size | 54 MB | 33 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Amir Tairi](https://appshunter.io/developer/6775922253) | [ThreeLees LLC](https://appshunter.io/developer/6778656941) |

## What reviewers say

### IntervalGuide

[App page](https://appshunter.io/ios/app/intervalguide-intervall-timer/id6775922251)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IntervalGuide Premium | $2.99 | per month |


### KesselRUN Running

[App page](https://appshunter.io/ios/app/kesselrun-running/id6781022500)

**In-app purchases:** none


## Frequently asked questions

### Is IntervalGuide free?

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

### Is KesselRUN Running free?

KesselRUN Running is free to download, with no in-app purchases.

### Do IntervalGuide or KesselRUN Running have ads?

IntervalGuide shows ads; KesselRUN Running does not.

### Which is updated more often, IntervalGuide or KesselRUN Running?

IntervalGuide ships an update every 11 days, and KesselRUN Running every 9 days. Most recently, IntervalGuide was updated on November 5, 2026 and KesselRUN Running on November 5, 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.*