# Sitra Studio vs Curve Studio

The clearest difference is iOS requirement: Sitra Studio at 12.4 against Curve Studio's 16.4. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Sitra Studio ships an update every 2 months, Curve Studio every 4 months. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Sitra Studio | Curve Studio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 39 MB | 83 MB |
| Requires iOS | **12.4** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [The B.Sisters](https://appshunter.io/developer/1888426120) | [Tassignon Marine](https://appshunter.io/developer/1896651350) |

## What reviewers say

### Sitra Studio

[App page](https://appshunter.io/ios/app/sitra-studio/id6744066452)

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

**In-app purchases:** none


### Curve Studio

[App page](https://appshunter.io/ios/app/curve-studio/id6769343901)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sitra Studio free?

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

### Is Curve Studio free?

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

### Do Sitra Studio or Curve Studio have ads?

Neither Sitra Studio nor Curve Studio shows ads.

### Which is updated more often, Sitra Studio or Curve Studio?

Sitra Studio ships an update every 2 months, and Curve Studio every 4 months. Most recently, Sitra Studio was updated on October 9, 2026 and Curve Studio on October 11, 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.*