# DR vs Soundra dB Meter

The clearest difference is in-app purchases: DR at none against Soundra dB Meter's 1. Soundra dB Meter's advantage is ads (none vs shown) and iOS requirement (14.0 vs 18.2). On price, update cadence and device support there is nothing between them.

Both are free to download. Soundra dB Meter sells 1 one-off in-app purchase. DR asks for nothing beyond the download.

DR ships an update every 3 weeks, Soundra dB Meter every 2 weeks. The most recent releases landed on September 14, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | DR | Soundra dB Meter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 70 MB | 64 MB |
| Requires iOS | 18.2 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DR-Online Sp. z o.o.](https://appshunter.io/developer/1743786912) | [胜佳 佟](https://appshunter.io/developer/1895576533) |

## What reviewers say

### DR

[App page](https://appshunter.io/ios/app/dr-devicetools/id6759614741)

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

**In-app purchases:** none


### Soundra dB Meter

[App page](https://appshunter.io/ios/app/soundra-db-meter/id6770209522)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Soundra Pro Unlock | $3.99 | one-time |


## Frequently asked questions

### Is DR free?

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

### Is Soundra dB Meter free?

Soundra dB Meter is free to download, with in-app purchases available.

### Do DR or Soundra dB Meter have ads?

DR shows ads; Soundra dB Meter does not.

### Which is updated more often, DR or Soundra dB Meter?

DR ships an update every 3 weeks, and Soundra dB Meter every 2 weeks. Most recently, DR was updated on September 14, 2026 and Soundra dB Meter on September 22, 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.*