# 8x7 Kevin vs Running Sphere

The clearest difference is update cadence: Running Sphere at every 6 weeks against 8x7 Kevin's every 3 months. 8x7 Kevin's advantage is iOS requirement (12.0 vs 15.0). 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.

8x7 Kevin ships an update every 3 months, Running Sphere every 6 weeks. The most recent releases landed on October 26, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | 8x7 Kevin | Running Sphere |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Size | 9 MB | 22 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Marie Berlioz](https://appshunter.io/developer/1429810527) | [Ruben Velasco](https://appshunter.io/developer/1549457866) |

## What reviewers say

### 8x7 Kevin

[App page](https://appshunter.io/ios/app/8x7-kevin/id1455724836)

**Features:** macOS Compatibility

**In-app purchases:** none


### Running Sphere

[App page](https://appshunter.io/ios/app/running-sphere/id1637336193)

**In-app purchases:** none


## Frequently asked questions

### Is 8x7 Kevin free?

8x7 Kevin is free to download, with no in-app purchases.

### Is Running Sphere free?

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

### Do 8x7 Kevin or Running Sphere have ads?

Neither 8x7 Kevin nor Running Sphere shows ads.

### Which is updated more often, 8x7 Kevin or Running Sphere?

8x7 Kevin ships an update every 3 months, and Running Sphere every 6 weeks. Most recently, 8x7 Kevin was updated on October 26, 2026 and Running Sphere on November 7, 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.*