# Spur Null Magazin App vs Studio 21

The clearest difference is ads: Studio 21 at none against Spur Null Magazin App's shown. Studio 21 also leads on update cadence (monthly vs every 14 months) and iOS requirement (12.0 vs 14.0). On price, 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.

Spur Null Magazin App ships an update every 14 months, Studio 21 monthly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Spur Null Magazin App | Studio 21 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 14 months | **Monthly** |
| Size | 162 MB | 116 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Stefan Karzauninkat](https://appshunter.io/developer/1551165686) | [Reach Rocker GmbH](https://appshunter.io/developer/6776540230) |

## What reviewers say

### Spur Null Magazin App

[App page](https://appshunter.io/ios/app/spur-null-magazin-app/id1551165684)

**Features:** macOS Compatibility

**In-app purchases:** none


### Studio 21

[App page](https://appshunter.io/ios/app/studio-21/id6741527580)

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

**In-app purchases:** none


## Frequently asked questions

### Is Spur Null Magazin App free?

Spur Null Magazin App is free to download, with no in-app purchases.

### Is Studio 21 free?

Studio 21 is free to download, with no in-app purchases.

### Do Spur Null Magazin App or Studio 21 have ads?

Spur Null Magazin App shows ads; Studio 21 does not.

### Which is updated more often, Spur Null Magazin App or Studio 21?

Spur Null Magazin App ships an update every 14 months, and Studio 21 monthly. Most recently, Spur Null Magazin App was updated on October 25, 2026 and Studio 21 on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*