# Decibel Tester vs Decibel Reader

The clearest difference is rating: Decibel Tester at 5.0 against Decibel Reader's 4.5. Decibel Tester also leads on ads (none vs shown) and iOS requirement (13.4 vs 16.0). Decibel Reader's advantage is ratings volume (24 vs 1). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Decibel Tester sells 2 in-app purchases, starting at $6.99 per month and Decibel Reader sells 6 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Decibel Tester holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Decibel Reader has 24 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 29, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Decibel Tester | Decibel Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/decibel-tester-sound-level/id6445815477/reviews)** | [4.5 (24 ratings)](https://appshunter.io/ios/app/decibel-reader/id6451411046/reviews) |
| Number of ratings | 1 | **24** |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Freemium | Free with in-app purchases |
| Size | 14 MB | 12 MB |
| Requires iOS | **13.4** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [钰乐 晏](https://appshunter.io/developer/1680830617) | [Andy Sutanto](https://appshunter.io/developer/1659282966) |

## What reviewers say

### Decibel Tester

[App page](https://appshunter.io/ios/app/decibel-tester-sound-level/id6445815477)

Measure sound levels with professional accuracy using this tool. It supports various frequency weightings and allows you to save and share recordings to protect your hearing from harmful noise.

**Highlights:** Accurate sound level measurements, Supports dBa, dBb, dBc, dBz weighting, Save and share recordings, Spectrum analysis, Audible frequency range 20-16,000 Hz

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Decibel Tester Subscribe Month | $6.99 | per month |
| Decibel Tester Subscribe Year | $29.99 | per year |


### 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 Decibel Tester free?

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

### Is Decibel Reader free?

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

### Which has better reviews, Decibel Tester or Decibel Reader?

Decibel Tester is rated higher. Decibel Tester averages 5.0 out of 5 from 1 ratings, while Decibel Reader averages 4.5 from 24 ratings.

### Do Decibel Tester or Decibel Reader have ads?

Decibel Reader shows ads; Decibel Tester does not.

### Which is updated more often, Decibel Tester or Decibel Reader?

Decibel Tester ships an update every 2 weeks, and Decibel Reader every 2 weeks. Most recently, Decibel Tester was updated on September 29, 2026 and Decibel Reader on September 18, 2026.

---

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