# Echo vs Ester Perfect Gap

The clearest difference is in-app purchases: Ester Perfect Gap at none against Echo's 1. Ester Perfect Gap also leads on iOS requirement (15.0 vs 17.0). Echo's advantage is device support. On price there is nothing between them.

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

## The numbers

| Metric | Echo | Ester Perfect Gap |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | Every 4 days | — |
| Size | 13 MB | 2 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Thorsten Halle](https://appshunter.io/developer/1881398429) | [FRANTISEK SZABO](https://appshunter.io/developer/1878082556) |

## What reviewers say

### Echo

[App page](https://appshunter.io/ios/app/echo-pattern-game/id6760206563)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Echo Pro | $2.99 | one-time |


### Ester Perfect Gap

[App page](https://appshunter.io/ios/app/ester-perfect-gap/id6760696280)

**In-app purchases:** none


## Frequently asked questions

### Is Echo free?

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

### Is Ester Perfect Gap free?

Ester Perfect Gap 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.*