# Crystal's vs Stallo

The clearest difference is iOS requirement: Crystal's at 13.0 against Stallo's 15.6. 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.

## The numbers

| Metric | Crystal's | Stallo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 63 MB | 35 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [koein apps](https://appshunter.io/developer/958220967) | [Rifat Bin Monsur](https://appshunter.io/developer/1805238354) |

## What reviewers say

### Crystal's

[App page](https://appshunter.io/ios/app/crystals/id6756067136)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stallo

[App page](https://appshunter.io/ios/app/stallo/id6761822987)

**In-app purchases:** none


## Frequently asked questions

### Is Crystal's free?

Crystal's is free to download, with no in-app purchases.

### Is Stallo free?

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

### Do Crystal's or Stallo have ads?

Neither Crystal's nor Stallo shows ads.

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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.*