# SimplyTimer vs KesselRUN Running

The clearest difference is update cadence: SimplyTimer at every 2 days against KesselRUN Running's every 9 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SimplyTimer ships an update every 2 days, KesselRUN Running every 9 days. The most recent releases landed on August 25, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | SimplyTimer | KesselRUN Running |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simplytimer-interval-timer-app/id6475160260/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 94.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 9 days |
| Monetization | Free | — |
| Size | 23 MB | 33 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maurice-Nikita Rafael Reichert](https://appshunter.io/developer/1584695572) | [ThreeLees LLC](https://appshunter.io/developer/6778656941) |

## What reviewers say

### SimplyTimer

[App page](https://appshunter.io/ios/app/simplytimer-interval-timer-app/id6475160260)

This minimalist app is designed to help you achieve your fitness goals with ease. It offers customizable intervals and background mode to keep your timer running smoothly. Enhance your training sessions and stay motivated with this efficient, distraction-free workout companion.

**Highlights:** Easy to use interface, Customizable intervals, Background timer mode, Supports HIIT, Tabata, Boxing, circuit training, Minimalist design

**Features:** macOS Compatibility

**In-app purchases:** none


### KesselRUN Running

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

**In-app purchases:** none


## Frequently asked questions

### Is SimplyTimer free?

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

### Is KesselRUN Running free?

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

### Do SimplyTimer or KesselRUN Running have ads?

Neither SimplyTimer nor KesselRUN Running shows ads.

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

SimplyTimer ships an update every 2 days, and KesselRUN Running every 9 days. Most recently, SimplyTimer was updated on August 25, 2026 and KesselRUN Running on September 19, 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.*