# Meter Reading vs SoundClass

The clearest difference is in-app purchases: Meter Reading at none against SoundClass's 7. Meter Reading also leads on ads (none vs shown) and iOS requirement (12.0 vs 26.0). SoundClass's advantage is update cadence (every 10 days vs every 22 months). On price 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. Meter Reading asks for nothing beyond the download.

Meter Reading ships an update every 22 months, SoundClass every 10 days. Both last shipped on October 6, 2026.

## The numbers

| Metric | Meter Reading | SoundClass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (10 ratings)](https://appshunter.io/ios/app/soundclass/id1511338627/reviews)** |
| Number of ratings | — | **10** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 22 months | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 17 MB | 54 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Rubicon Systems](https://appshunter.io/developer/1063929009) | [Javier Ariel Bargas](https://appshunter.io/developer/1511337275) |

## What reviewers say

### Meter Reading

[App page](https://appshunter.io/ios/app/meter-reading/id1063929010)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Meter Reading free?

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

### Is SoundClass free?

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

### Do Meter Reading or SoundClass have ads?

SoundClass shows ads; Meter Reading does not.

### Which is updated more often, Meter Reading or SoundClass?

Meter Reading ships an update every 22 months, and SoundClass every 10 days. Most recently, Meter Reading was updated on October 6, 2026 and SoundClass on October 6, 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.*