# Equal 10 vs SoundEcho

The clearest difference is rating: Equal 10 at 4.9 against SoundEcho's 4.3. Equal 10 also leads on in-app purchases (none vs 1) and iOS requirement (12.0 vs 17.0). SoundEcho's advantage is update cadence (every 5 weeks vs every 11 months). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. SoundEcho sells 1 one-off in-app purchase. Equal 10 asks for nothing beyond the download.

Equal 10 holds the better App Store score, 4.9 against 4.3. Both are backed by a comparable volume of ratings — 7 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Equal 10 ships an update every 11 months, SoundEcho every 5 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Equal 10 | SoundEcho |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (7 ratings)](https://appshunter.io/ios/app/equal-10-math-fun-for-kids/id909609126/reviews)** | [4.3 (3 ratings)](https://appshunter.io/ios/app/soundecho/id1639116371/reviews) |
| Number of ratings | **7** | 3 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 24 MB | 7 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Marco Krapf](https://appshunter.io/developer/617412346) | [Kristof Nijs](https://appshunter.io/developer/1608072573) |

## What reviewers say

### Equal 10

[App page](https://appshunter.io/ios/app/equal-10-math-fun-for-kids/id909609126)

This is a fast-paced arithmetic puzzle game where players combine numbers to reach a sum of ten. It offers two game modes and a global leaderboard for competitive play, designed to sharpen calculation speed and reaction time.

**Highlights:** Combine numbers to make 10, Fast-paced mental math, Global online leaderboard, Two distinct difficulty modes, Award-winning gameplay, Ideal for short sessions

**Features:** macOS Compatibility

**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 Equal 10 free?

Equal 10 is free to download, with no in-app purchases.

### Is SoundEcho free?

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

### Which has better reviews, Equal 10 or SoundEcho?

Equal 10 is rated higher. Equal 10 averages 4.9 out of 5 from 7 ratings, while SoundEcho averages 4.3 from 3 ratings.

### Do Equal 10 or SoundEcho have ads?

Neither Equal 10 nor SoundEcho shows ads.

### Which is updated more often, Equal 10 or SoundEcho?

Equal 10 ships an update every 11 months, and SoundEcho every 5 weeks. Most recently, Equal 10 was updated on November 1, 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.*