# Studio ON vs Kelen

The clearest difference is update cadence: Kelen at weekly against Studio ON's monthly. 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.

Studio ON ships an update monthly, Kelen weekly. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Studio ON | Kelen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Size | 65 MB | 48 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [SPORTIGO](https://appshunter.io/developer/1790225712) | [Samy-William Ndoko](https://appshunter.io/developer/1895992375) |

## What reviewers say

### Studio ON

[App page](https://appshunter.io/ios/app/studio-on/id6771557547)

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

**In-app purchases:** none


### Kelen

[App page](https://appshunter.io/ios/app/kelen/id6786471504)

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

**In-app purchases:** none


## Frequently asked questions

### Is Studio ON free?

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

### Is Kelen free?

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

### Do Studio ON or Kelen have ads?

Neither Studio ON nor Kelen shows ads.

### Which is updated more often, Studio ON or Kelen?

Studio ON ships an update monthly, and Kelen weekly. Most recently, Studio ON was updated on October 7, 2026 and Kelen on October 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.*