# Blindfold Sudoku vs SoundEcho

The clearest difference is rating: SoundEcho at 4.3 against Blindfold Sudoku's 3.7. SoundEcho also leads on monetization model (free vs free with in-app purchases). Blindfold Sudoku's advantage is iOS requirement (8.0 vs 17.0). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Blindfold Sudoku sells 9 one-off in-app purchases and SoundEcho sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

SoundEcho holds the better App Store score, 4.3 against 3.7. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Blindfold Sudoku ships an update every 3 weeks, SoundEcho every 5 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Blindfold Sudoku | SoundEcho |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/blindfold-sudoku/id915175243/reviews) | **[4.3 (3 ratings)](https://appshunter.io/ios/app/soundecho/id1639116371/reviews)** |
| Number of ratings | 3 | 3 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 10 MB | 7 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [marty schultz](https://appshunter.io/developer/1450986904) | [Kristof Nijs](https://appshunter.io/developer/1608072573) |

## What reviewers say

### Blindfold Sudoku

[App page](https://appshunter.io/ios/app/blindfold-sudoku/id915175243)

This game offers an accessible Sudoku experience for both sighted and visually impaired players. It uses audio cues and gestures for rapid gameplay, allowing you to play without seeing the board. Customize audio feedback and purchase additional puzzles.

**Highlights:** Audio-based gameplay, Gesture controls, VoiceOver compatibility, Customizable audio cues, Multiple difficulty levels, In-app puzzle purchases

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Easy Pack #1, 25 Puzzles | $1.99 | one-time |
| Easy Pack #2 | $3.99 | one-time |
| Medium Pack #1 | $3.99 | one-time |
| Hard Pack #1 | $3.99 | one-time |
| Very Easy Pack #1 | $3.99 | one-time |
| Easy Pack #3 | $9.99 | one-time |
| Medium Pack #2 | $9.99 | one-time |
| Hard Pack #2 | $9.99 | one-time |
| Very Easy Pack #2 | $9.99 | one-time |


### 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 Blindfold Sudoku free?

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

### Is SoundEcho free?

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

### Which has better reviews, Blindfold Sudoku or SoundEcho?

SoundEcho is rated higher. Blindfold Sudoku averages 3.7 out of 5 from 3 ratings, while SoundEcho averages 4.3 from 3 ratings.

### Do Blindfold Sudoku or SoundEcho have ads?

Neither Blindfold Sudoku nor SoundEcho shows ads.

### Which is updated more often, Blindfold Sudoku or SoundEcho?

Blindfold Sudoku ships an update every 3 weeks, and SoundEcho every 5 weeks. Most recently, Blindfold Sudoku was updated on November 2, 2026 and SoundEcho on November 3, 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.*