# Monster Memo vs SoundEcho

The clearest difference is price: SoundEcho at Free against Monster Memo's $0.49. SoundEcho also leads on update cadence (every 5 weeks vs every 11 months). Monster Memo's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 17.0). On ads and device support there is nothing between them.

SoundEcho is free to download; Monster Memo costs $0.49 up front. SoundEcho sells 1 one-off in-app purchase. Monster Memo asks for nothing beyond the download.

Monster Memo ships an update every 11 months, SoundEcho every 5 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Monster Memo | SoundEcho |
| --- | --- | --- |
| Price | $0.49 | **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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 27 MB | 7 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Jan Essig](https://appshunter.io/developer/446378172) | [Kristof Nijs](https://appshunter.io/developer/1608072573) |

## What reviewers say

### Monster Memo

[App page](https://appshunter.io/ios/app/monster-memo/id1623341568)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Monster Memo free?

Monster Memo costs $0.49, with no in-app purchases.

### Is SoundEcho free?

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

### Do Monster Memo or SoundEcho have ads?

Neither Monster Memo nor SoundEcho shows ads.

### Which is updated more often, Monster Memo or SoundEcho?

Monster Memo ships an update every 11 months, and SoundEcho every 5 weeks. Most recently, Monster Memo was updated on October 27, 2026 and SoundEcho on October 24, 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.*