# Sound Match vs Stackitecture

The clearest difference is in-app purchases: Sound Match at none against Stackitecture's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Stackitecture sells 1 one-off in-app purchase. Sound Match asks for nothing beyond the download.

Sound Match ships an update every 3 weeks, Stackitecture every 11 days. The most recent releases landed on October 13, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Sound Match | Stackitecture |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Size | 6 MB | 49 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MIZOU, CO., LTD.](https://appshunter.io/developer/1542553141) | [Danjel Durmo](https://appshunter.io/developer/1815835614) |

## What reviewers say

### Sound Match

[App page](https://appshunter.io/ios/app/sound-match-ear-memory/id6761058785)

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

**In-app purchases:** none


### Stackitecture

[App page](https://appshunter.io/ios/app/stackitecture/id6761286324)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is Sound Match free?

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

### Is Stackitecture free?

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

### Do Sound Match or Stackitecture have ads?

Both Sound Match and Stackitecture show ads.

### Which is updated more often, Sound Match or Stackitecture?

Sound Match ships an update every 3 weeks, and Stackitecture every 11 days. Most recently, Sound Match was updated on October 13, 2026 and Stackitecture on September 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*