# SoundClass vs 小质AI

The clearest difference is in-app purchases: 小质AI at none against SoundClass's 7. 小质AI also leads on ads (none vs shown) and iOS requirement (14.0 vs 26.0). On price, update cadence and device support there is nothing between them.

Both are free to download. SoundClass sells 7 in-app purchases, starting at $4.99 per month. 小质AI asks for nothing beyond the download.

SoundClass ships an update every 10 days, 小质AI fortnightly. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | SoundClass | 小质AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (10 ratings)](https://appshunter.io/ios/app/soundclass/id1511338627/reviews)** | — |
| Number of ratings | **10** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 54 MB | 218 MB |
| Requires iOS | 26.0 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Javier Ariel Bargas](https://appshunter.io/developer/1511337275) | [SoundAI Technology Co.,Ltd](https://appshunter.io/developer/1475331895) |

## What reviewers say

### SoundClass

[App page](https://appshunter.io/ios/app/soundclass/id1511338627)

This app uses AI to detect and record various sounds in your environment, providing real-time alerts. It's particularly useful for nighttime awareness, sleep analysis, and documenting incidents.

**Highlights:** AI sound detection, Real-time alerts, Sleep quality analysis, Sound recording and playback, Mosquito and animal sound detection, Everyday sound identification

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gold Monthly | $4.99 | per month |
| Gold Yearly | $44.99 | per year |
| Battery x 10 | $0.99 | one-time |
| 100 Credits | $0.99 | one-time |
| Battery x 40 | $1.99 | one-time |
| 500 Credits | $2.99 | one-time |
| 1000 Credits | $4.99 | one-time |


### 小质AI

[App page](https://appshunter.io/ios/app/ai/id6747379380)

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

**In-app purchases:** none


## Frequently asked questions

### Is SoundClass free?

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

### Is 小质AI free?

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

### Do SoundClass or 小质AI have ads?

SoundClass shows ads; 小质AI does not.

### Which is updated more often, SoundClass or 小质AI?

SoundClass ships an update every 10 days, and 小质AI fortnightly. Most recently, SoundClass was updated on October 6, 2026 and 小质AI on October 11, 2026.

---

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