# Crystara vs Mellow Blocks

The clearest difference is in-app purchases: Crystara at none against Mellow Blocks's 1. Crystara also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Mellow Blocks sells 1 one-off in-app purchase. Crystara asks for nothing beyond the download.

## The numbers

| Metric | Crystara | Mellow Blocks |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 6 weeks |
| Size | 7 MB | 211 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ROKONTECH LLC](https://appshunter.io/developer/1347808056) | [Onder Genc](https://appshunter.io/developer/1896729124) |

## What reviewers say

### Crystara

[App page](https://appshunter.io/ios/app/crystara/id6760728987)

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

**In-app purchases:** none


### Mellow Blocks

[App page](https://appshunter.io/ios/app/mellow-blocks/id6773086496)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is Crystara free?

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

### Is Mellow Blocks free?

Mellow Blocks is free to download, with in-app purchases available.

### Do Crystara or Mellow Blocks have ads?

Mellow Blocks shows ads; Crystara does not.

---

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