# MATRIX A8 vs MOUND

The clearest difference is in-app purchases: MATRIX A8 at none against MOUND's 1. MATRIX A8 also leads on iOS requirement (8.0 vs 17.0). MOUND's advantage is update cadence (every 5 days vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. MOUND sells 1 one-off in-app purchase. MATRIX A8 asks for nothing beyond the download.

MATRIX A8 ships an update every 6 months, MOUND every 5 days. The most recent releases landed on October 26, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | MATRIX A8 | MOUND |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (8 ratings)](https://appshunter.io/ios/app/mound-music-generator/id6768479656/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 11 MB | 176 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SEIKAKU](https://appshunter.io/developer/860317297) | [fourtrack.fm LLC](https://appshunter.io/developer/1883350705) |

## What reviewers say

### MATRIX A8

[App page](https://appshunter.io/ios/app/matrix-a8/id1378859908)

**Features:** macOS Compatibility

**In-app purchases:** none


### MOUND

[App page](https://appshunter.io/ios/app/mound-music-generator/id6768479656)

Create unique music by layering sounds and applying effects with intuitive touch controls. Explore chord progressions, sonic combinations, and evolving soundscapes.

**Highlights:** Collage soundscape sequencer, Four mix channels, 100+ soundfont instruments, Paint to drive effects, Euclidean sequencing, Choose key, scale, BPM, and sequence length

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MOUND Lifetime Unlock | $4.99 | one-time |


## Frequently asked questions

### Is MATRIX A8 free?

MATRIX A8 is free to download, with no in-app purchases.

### Is MOUND free?

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

### Do MATRIX A8 or MOUND have ads?

Neither MATRIX A8 nor MOUND shows ads.

### Which is updated more often, MATRIX A8 or MOUND?

MATRIX A8 ships an update every 6 months, and MOUND every 5 days. Most recently, MATRIX A8 was updated on October 26, 2026 and MOUND on October 31, 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.*