# DinoBook ROOSSA vs xoxknit Studio

The clearest difference is in-app purchases: DinoBook ROOSSA at none against xoxknit Studio's 2. DinoBook ROOSSA also leads on iOS requirement (13.0 vs 15.0). xoxknit Studio's advantage is update cadence (every 2 days vs every 27 months). On price, ads and device support there is nothing between them.

Both are free to download. xoxknit Studio sells 2 in-app purchases, starting at $19.99 per year. DinoBook ROOSSA asks for nothing beyond the download.

DinoBook ROOSSA ships an update every 27 months, xoxknit Studio every 2 days. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | DinoBook ROOSSA | xoxknit Studio |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 220 MB | 88 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Andrey Polyak](https://appshunter.io/developer/1096736813) | [Bole-Bole LLC](https://appshunter.io/developer/1806940534) |

## What reviewers say

### DinoBook ROOSSA

[App page](https://appshunter.io/ios/app/dinobook-roossa/id1499120918)

This interactive book brings dinosaurs to life through augmented reality. Point your device's camera at the pages to watch animated dinosaurs play, sing, and explore, offering a magical learning experience for curious young minds.

**Highlights:** Augmented reality dinosaur animations, Interactive learning experience, Dinosaurs come to life from book pages, Engaging for curious children, Educational and entertaining content

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

**In-app purchases:** none


### xoxknit Studio

[App page](https://appshunter.io/ios/app/xoxknit-studio/id6744297259)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Studio HandKnit | $19.99 | per year |
| Studio Premium | $29.99 | per year |


## Frequently asked questions

### Is DinoBook ROOSSA free?

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

### Is xoxknit Studio free?

xoxknit Studio is free to download, with in-app purchases available.

### Do DinoBook ROOSSA or xoxknit Studio have ads?

Neither DinoBook ROOSSA nor xoxknit Studio shows ads.

### Which is updated more often, DinoBook ROOSSA or xoxknit Studio?

DinoBook ROOSSA ships an update every 27 months, and xoxknit Studio every 2 days. Most recently, DinoBook ROOSSA was updated on November 3, 2026 and xoxknit Studio on November 8, 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.*