# Gary Osborne Studio vs Decibel Reader

The clearest difference is in-app purchases: Gary Osborne Studio at none against Decibel Reader's 6. Gary Osborne Studio also leads on ads (none vs shown) and iOS requirement (14.0 vs 16.0). Decibel Reader's advantage is update cadence (every 2 weeks vs every 5 months). On price and device support there is nothing between them.

Both are free to download. Decibel Reader sells 6 in-app purchases, starting at $3.99 per 7 days. Gary Osborne Studio asks for nothing beyond the download.

Gary Osborne Studio ships an update every 5 months, Decibel Reader every 2 weeks. Both last shipped on October 5, 2026.

## The numbers

| Metric | Gary Osborne Studio | Decibel Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (24 ratings)](https://appshunter.io/ios/app/decibel-reader/id6451411046/reviews)** |
| Number of ratings | — | **24** |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 2 MB | 12 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nearcut Ltd](https://appshunter.io/developer/1191897001) | [Andy Sutanto](https://appshunter.io/developer/1659282966) |

## What reviewers say

### Gary Osborne Studio

[App page](https://appshunter.io/ios/app/gary-osborne-studio/id1450367346)

**Features:** macOS Compatibility

**In-app purchases:** none


### Decibel Reader

[App page](https://appshunter.io/ios/app/decibel-reader/id6451411046)

Measure ambient noise levels with real-time readings, tracking minimum, average, and maximum decibels. Offers calibration for accuracy and a dark mode for comfortable viewing. This tool helps you understand your sound environment.

**Highlights:** Real-time decibel measurement, Calibration for accuracy, Track min, average, and max noise levels, Dark mode for low-light use, Simple and intuitive interface

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Decibel Meter Pro - 1 Week | $3.99 | per 7 days |
| Decibel Meter Pro - 1 Month | $7.99 | per month |
| Sound Level Meter - 6 Months | $19.99 | per 6 months |
| Noise Level Meter - 1 Year | $29.99 | per year |
| Decibel Meter Pro - 1Y 2 | $29.99 | per year |
| dB Meter Pro | $49.99 | one-time |


## Frequently asked questions

### Is Gary Osborne Studio free?

Gary Osborne Studio is free to download, with no in-app purchases.

### Is Decibel Reader free?

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

### Do Gary Osborne Studio or Decibel Reader have ads?

Decibel Reader shows ads; Gary Osborne Studio does not.

### Which is updated more often, Gary Osborne Studio or Decibel Reader?

Gary Osborne Studio ships an update every 5 months, and Decibel Reader every 2 weeks. Most recently, Gary Osborne Studio was updated on October 5, 2026 and Decibel Reader on October 5, 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.*