# SoundClass vs EGD2021

The clearest difference is in-app purchases: EGD2021 at none against SoundClass's 2. EGD2021 also leads on ads (none vs shown) and iOS requirement (14.0 vs 26.0). SoundClass's advantage is update cadence (every 10 days vs every 25 months). On price and device support there is nothing between them.

Both are free to download. SoundClass sells 2 one-off in-app purchases. EGD2021 asks for nothing beyond the download.

SoundClass ships an update every 10 days, EGD2021 every 25 months. Both last shipped on September 8, 2026.

## The numbers

| Metric | SoundClass | EGD2021 |
| --- | --- | --- |
| 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** | Every 25 months |
| Monetization | Free with in-app purchases | — |
| Size | 54 MB | 1 MB |
| Requires iOS | 26.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Javier Ariel Bargas](https://appshunter.io/developer/1511337275) | [Shiu Yin Yuen](https://appshunter.io/developer/1569119882) |

## 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 (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Battery x 10 | $0.99 | one-time |
| Battery x 40 | $1.99 | one-time |


### EGD2021

[App page](https://appshunter.io/ios/app/egd2021/id1559438204)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SoundClass free?

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

### Is EGD2021 free?

EGD2021 is free to download, with no in-app purchases.

### Do SoundClass or EGD2021 have ads?

SoundClass shows ads; EGD2021 does not.

### Which is updated more often, SoundClass or EGD2021?

SoundClass ships an update every 10 days, and EGD2021 every 25 months. Most recently, SoundClass was updated on September 8, 2026 and EGD2021 on September 8, 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.*