# SoundEcho vs PiKK

The clearest difference is in-app purchases: PiKK at none against SoundEcho's 1. PiKK also leads on update cadence (every 2 days vs every 5 weeks) and rating (4.6 vs 4.3). SoundEcho's advantage is ads (none vs shown) and review sentiment (100% vs 80%). On price, device support and iOS requirement there is nothing between them.

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

PiKK holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: PiKK has 15 ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 100% of SoundEcho's written reviews are positive against 80% of PiKK'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, PiKK every 2 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SoundEcho | PiKK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (3 ratings)](https://appshunter.io/ios/app/soundecho/id1639116371/reviews) | **[4.6 (15 ratings)](https://appshunter.io/ios/app/pikk/id6753272232/reviews)** |
| Number of ratings | 3 | **15** |
| Positive reviews | **100.0% of reviews** | 80.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 2 days** |
| Monetization | **Free** | Ad-supported |
| Size | 7 MB | 31 MB |
| Requires iOS | 17.0 | **16** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Kristof Nijs](https://appshunter.io/developer/1608072573) | [Nhat Nguyen](https://appshunter.io/developer/1843278712) |

## 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 |


### PiKK

[App page](https://appshunter.io/ios/app/pikk/id6753272232)

This application uses hand-tracking technology for engaging entertainment and beneficial therapeutic activities. It offers a unique interactive experience for users of all ages.

**Highlights:** Hand-tracking technology, Entertainment applications, Therapeutic purposes, Interactive experience, Suitable for all ages

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SoundEcho free?

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

### Is PiKK free?

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

### Which has better reviews, SoundEcho or PiKK?

PiKK is rated higher. SoundEcho averages 4.3 out of 5 from 3 ratings, while PiKK averages 4.6 from 15 ratings.

### Do SoundEcho or PiKK have ads?

PiKK shows ads; SoundEcho does not.

### Which is updated more often, SoundEcho or PiKK?

SoundEcho ships an update every 5 weeks, and PiKK every 2 days. Most recently, SoundEcho was updated on November 3, 2026 and PiKK on October 30, 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.*