# Double Shift vs Studio 191

The clearest difference is ads: Studio 191 at none against Double Shift's shown. Double Shift's advantage is iOS requirement (14.0 vs 16.4). On price, update cadence, 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.

Double Shift ships an update every 5 weeks, Studio 191 every 3 weeks. The most recent releases landed on September 16, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Double Shift | Studio 191 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Size | 123 MB | 84 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [The Turn Holding BV](https://appshunter.io/developer/1621271915) | [Studio 191](https://appshunter.io/developer/1879263999) |

## What reviewers say

### Double Shift

[App page](https://appshunter.io/ios/app/double-shift/id1621271913)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Studio 191

[App page](https://appshunter.io/ios/app/studio-191/id6557075174)

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

**In-app purchases:** none


## Frequently asked questions

### Is Double Shift free?

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

### Is Studio 191 free?

Studio 191 is free to download, with no in-app purchases.

### Do Double Shift or Studio 191 have ads?

Double Shift shows ads; Studio 191 does not.

### Which is updated more often, Double Shift or Studio 191?

Double Shift ships an update every 5 weeks, and Studio 191 every 3 weeks. Most recently, Double Shift was updated on September 16, 2026 and Studio 191 on September 27, 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.*