# SonusQuest vs Fastsound

The clearest difference is in-app purchases: Fastsound at none against SonusQuest's 1. Fastsound also leads on iOS requirement (13.0 vs 15.6). SonusQuest's advantage is update cadence (every 3 weeks vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. SonusQuest sells 1 in-app purchase, starting at $1.99 per month. Fastsound asks for nothing beyond the download.

SonusQuest ships an update every 3 weeks, Fastsound every 6 months. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SonusQuest | Fastsound |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Size | 27 MB | 19 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [素兰 李](https://appshunter.io/developer/1613138789) | [杭州发声者声学科技有限公司](https://appshunter.io/developer/1894757529) |

## What reviewers say

### SonusQuest

[App page](https://appshunter.io/ios/app/sonusquest/id6760118561)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP | $1.99 | per month |


### Fastsound

[App page](https://appshunter.io/ios/app/fastsound/id6762584727)

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

**In-app purchases:** none


## Frequently asked questions

### Is SonusQuest free?

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

### Is Fastsound free?

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

### Do SonusQuest or Fastsound have ads?

Neither SonusQuest nor Fastsound shows ads.

### Which is updated more often, SonusQuest or Fastsound?

SonusQuest ships an update every 3 weeks, and Fastsound every 6 months. Most recently, SonusQuest was updated on October 24, 2026 and Fastsound on October 28, 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.*