# SoundEcho vs Blocked Under Ground

The clearest difference is in-app purchases: Blocked Under Ground at none against SoundEcho's 1. Blocked Under Ground also leads on iOS requirement (12.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. SoundEcho sells 1 one-off in-app purchase. Blocked Under Ground asks for nothing beyond the download.

## The numbers

| Metric | SoundEcho | Blocked Under Ground |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/soundecho/id1639116371/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | Free | — |
| Size | 7 MB | 133 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Kristof Nijs](https://appshunter.io/developer/1608072573) | [Lukas Kloibhofer](https://appshunter.io/developer/1743807401) |

## What reviewers say

### SoundEcho

[App page](https://appshunter.io/ios/app/soundecho/id1639116371)

A fun and accessible memory game using sound cues. Players match pairs of buttons that produce the same sound to clear the board. Supports multiple sound themes and player counts, with Game Center integration.

**Highlights:** Sound-based memory matching, VoiceOver accessibility, Animal and computer sound themes, Multiple difficulty levels (10, 15, 20 sounds), 2-4 player real-time multiplayer, Game Center integration

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Purchasing the app | $4.49 | one-time |


### Blocked Under Ground

[App page](https://appshunter.io/ios/app/blocked-under-ground/id6499540583)

**In-app purchases:** none


## Frequently asked questions

### Is SoundEcho free?

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

### Is Blocked Under Ground free?

Blocked Under Ground is free to download, with no in-app purchases.

### Do SoundEcho or Blocked Under Ground have ads?

Neither SoundEcho nor Blocked Under Ground 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.*