# Wool Stretch vs Curf Studio

The clearest difference is update cadence: Curf Studio at fortnightly against Wool Stretch's every 2 months. 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.

Wool Stretch ships an update every 2 months, Curf Studio fortnightly. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Wool Stretch | Curf Studio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 87 MB | 68 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Spotbee, Inc.](https://appshunter.io/developer/1465231993) | [Gymmo Healthtech](https://appshunter.io/developer/1736067991) |

## What reviewers say

### Wool Stretch

[App page](https://appshunter.io/ios/app/wool-stretch/id6760553724)

**Features:** Apple Wallet

**In-app purchases:** none


### Curf Studio

[App page](https://appshunter.io/ios/app/curf-studio/id6810127040)

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

**In-app purchases:** none


## Frequently asked questions

### Is Wool Stretch free?

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

### Is Curf Studio free?

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

### Do Wool Stretch or Curf Studio have ads?

Neither Wool Stretch nor Curf Studio shows ads.

### Which is updated more often, Wool Stretch or Curf Studio?

Wool Stretch ships an update every 2 months, and Curf Studio fortnightly. Most recently, Wool Stretch was updated on October 7, 2026 and Curf Studio on October 13, 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.*