# Echo vs But Who?

The clearest difference is rating: Echo at 5.0 against But Who?'s 3.0. Echo also leads on in-app purchases (none vs 6). But Who?'s advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ratings volume and ads there is nothing between them.

Both are free to download. But Who? sells 6 one-off in-app purchases. Echo asks for nothing beyond the download.

Echo holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | Echo | But Who? |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/echo-rhythm-memory-puzzles/id6477832538/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/but-who/id6761886080/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 10 days | — |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 126 MB | 410 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Idan Yehuda Schechter](https://appshunter.io/developer/1730752185) | [Qiiwi Games AB](https://appshunter.io/developer/495572903) |

## What reviewers say

### Echo

[App page](https://appshunter.io/ios/app/echo-rhythm-memory-puzzles/id6477832538)

A tactile rhythm game that combines sound, timing, and instinct. Listen to patterns, match sounds, and sharpen your rhythm skills through thousands of handcrafted levels. Progress by earning coins and mastering complex patterns in this engaging and responsive experience.

**Highlights:** Tactile rhythm gameplay, Thousands of handcrafted levels, Focus on sound and timing, Offline play supported, No login required, Haptic feedback emphasis

**In-app purchases:** none


### But Who?

[App page](https://appshunter.io/ios/app/but-who/id6761886080)

Test your observation skills by identifying characters from a series of clues. Tap away incorrect options to reveal the correct answer. Hundreds of unique personalities await, with satisfying puzzles for quick play.

**Highlights:** Clue-based character identification, Tap-to-eliminate gameplay, Focus on small details, Hundreds of unique characters, Family tree collection, Quick puzzle challenges

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coin Pack | $1.99 | one-time |
| Coin Pack | $3.99 | one-time |
| Coin Pack | $9.99 | one-time |
| Coin Pack | $14.99 | one-time |
| Coin Pack | $19.99 | one-time |
| Coin Pack | $29.99 | one-time |


## Frequently asked questions

### Is Echo free?

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

### Is But Who? free?

But Who? is free to download, with in-app purchases available.

### Which has better reviews, Echo or But Who??

Echo is rated higher. Echo averages 5.0 out of 5 from 1 ratings, while But Who? averages 3.0 from 1 ratings.

### Do Echo or But Who? have ads?

Both Echo and But Who? show 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.*