# SoundEcho vs axel pong

The clearest difference is price: SoundEcho at Free against axel pong's $2.99. axel pong's advantage is in-app purchases (none vs 1) and iOS requirement (15.0 vs 17.0). On update cadence, ads and device support there is nothing between them.

SoundEcho is free to download; axel pong costs $2.99 up front. SoundEcho sells 1 one-off in-app purchase. axel pong asks for nothing beyond the download.

SoundEcho ships an update every 5 weeks, axel pong every 2 months. The most recent releases landed on September 25, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | SoundEcho | axel pong |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| 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 2 months |
| Monetization | Free | — |
| Size | 7 MB | 181 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Kristof Nijs](https://appshunter.io/developer/1608072573) | [Mieczyslaw Bak](https://appshunter.io/developer/1861429541) |

## 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 |


### axel pong

[App page](https://appshunter.io/ios/app/axel-pong/id6756565708)

**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 axel pong free?

axel pong costs $2.99, with no in-app purchases.

### Do SoundEcho or axel pong have ads?

Neither SoundEcho nor axel pong shows ads.

### Which is updated more often, SoundEcho or axel pong?

SoundEcho ships an update every 5 weeks, and axel pong every 2 months. Most recently, SoundEcho was updated on September 25, 2026 and axel pong on September 27, 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.*