# SoundEcho vs Annoying Ghost

The clearest difference is in-app purchases: Annoying Ghost at none against SoundEcho's 1. SoundEcho's advantage is iOS requirement (17.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

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

SoundEcho ships an update every 5 weeks, Annoying Ghost every 3 weeks. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | SoundEcho | Annoying Ghost |
| --- | --- | --- |
| 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 | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 7 MB | 12 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 9+ |
| Developer | [Kristof Nijs](https://appshunter.io/developer/1608072573) | [Leonid Iogansen](https://appshunter.io/developer/762098337) |

## 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 |


### Annoying Ghost

[App page](https://appshunter.io/ios/app/annoying-ghost/id6787255139)

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

**In-app purchases:** none


## Frequently asked questions

### Is SoundEcho free?

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

### Is Annoying Ghost free?

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

### Do SoundEcho or Annoying Ghost have ads?

Neither SoundEcho nor Annoying Ghost shows ads.

### Which is updated more often, SoundEcho or Annoying Ghost?

SoundEcho ships an update every 5 weeks, and Annoying Ghost every 3 weeks. Most recently, SoundEcho was updated on October 24, 2026 and Annoying Ghost on October 9, 2026.

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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.*