# SoundEcho vs Nono Blocks Formula

The clearest difference is rating: Nono Blocks Formula at 5.0 against SoundEcho's 4.3. Nono Blocks Formula also leads on device support (4 vs 2) and iOS requirement (15.0 vs 17.0). SoundEcho's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. SoundEcho sells 1 one-off in-app purchase and Nono Blocks Formula sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Nono Blocks Formula holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 3 and 6 respectively. Written reviews complicate that: 100% of SoundEcho's written reviews are positive against 90% of Nono Blocks Formula's, so the app with the better star average is not the one people write more warmly about.

SoundEcho ships an update every 5 weeks, Nono Blocks Formula every 3 weeks. The most recent releases landed on August 16, 2026 and September 1, 2026 respectively.

## The numbers

| Metric | SoundEcho | Nono Blocks Formula |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (3 ratings)](https://appshunter.io/ios/app/soundecho/id1639116371/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/nono-blocks-formula/id6695739680/reviews)** |
| Number of ratings | 3 | **6** |
| Positive reviews | **100.0% of reviews** | 90.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 7 MB | 9 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 12+ | 4+ |
| Developer | [Kristof Nijs](https://appshunter.io/developer/1608072573) | [x2line.com LLC](https://appshunter.io/developer/425135293) |

## 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 |


### Nono Blocks Formula

[App page](https://appshunter.io/ios/app/nono-blocks-formula/id6695739680)

This logic puzzle game challenges players to fill in grid cells based on numerical hints to reveal a hidden pattern. With over 100 levels of increasing difficulty, it sharpens problem-solving skills. Enjoy intuitive tap controls on mobile or mouse support on Mac.

**Highlights:** Over 100 logic puzzles, Beginner to advanced difficulty, Intuitive tap controls, Mouse support for Mac, VoiceOver accessibility, Leaderboards for competition

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Check Solution | $0.99 | one-time |


## Frequently asked questions

### Is SoundEcho free?

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

### Is Nono Blocks Formula free?

Nono Blocks Formula is free to download, with in-app purchases available.

### Which has better reviews, SoundEcho or Nono Blocks Formula?

Nono Blocks Formula is rated higher. SoundEcho averages 4.3 out of 5 from 3 ratings, while Nono Blocks Formula averages 5.0 from 6 ratings.

### Do SoundEcho or Nono Blocks Formula have ads?

Nono Blocks Formula shows ads; SoundEcho does not.

### Which is updated more often, SoundEcho or Nono Blocks Formula?

SoundEcho ships an update every 5 weeks, and Nono Blocks Formula every 3 weeks. Most recently, SoundEcho was updated on August 16, 2026 and Nono Blocks Formula on September 1, 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.*