# Transversal vs Echo

The clearest difference is in-app purchases: Echo at none against Transversal's 1. Transversal's advantage is device support and iOS requirement (14.0 vs 17.0). On price there is nothing between them.

Both are free to download. Transversal sells 1 one-off in-app purchase. Echo asks for nothing beyond the download.

## The numbers

| Metric | Transversal | Echo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 11 days | — |
| Size | 121 MB | 1 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Efren Carrillo Dominguez](https://appshunter.io/developer/1864031498) | [BERKE ERKESIM](https://appshunter.io/developer/1878370920) |

## What reviewers say

### Transversal

[App page](https://appshunter.io/ios/app/transversal/id6756983522)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Game | $2.99 | one-time |


### Echo

[App page](https://appshunter.io/ios/app/echo-grid-puzzle/id6759986579)

**In-app purchases:** none


## Frequently asked questions

### Is Transversal free?

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

### Is Echo free?

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

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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.*