# Tangram_ vs Crystal Abyss

The clearest difference is iOS requirement: Tangram_ at 16.2 against Crystal Abyss's 18.2. 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 | Tangram_ | Crystal Abyss |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Monthly |
| Size | 1 MB | 50 MB |
| Requires iOS | **16.2** | 18.2 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Andrei Sokolov](https://appshunter.io/developer/570653122) | [ANTONIO BORRERO GRANELL](https://appshunter.io/developer/1833871025) |

## What reviewers say

### Tangram_

[App page](https://appshunter.io/ios/app/tangram/id6560115771)

**Features:** macOS Compatibility

**In-app purchases:** none


### Crystal Abyss

[App page](https://appshunter.io/ios/app/crystal-abyss/id6751184987)

**In-app purchases:** none


## Frequently asked questions

### Is Tangram_ free?

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

### Is Crystal Abyss free?

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

### Do Tangram_ or Crystal Abyss have ads?

Neither Tangram_ nor Crystal Abyss 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.*