# dB Decibel Meter PRO vs Thomas Reader

The clearest difference is review sentiment: Thomas Reader at 100% against dB Decibel Meter PRO's 44%. Thomas Reader also leads on price (Free vs $2.99). dB Decibel Meter PRO's advantage is in-app purchases (none vs 2) and iOS requirement (8.3 vs 15.6). On update cadence, ads and device support there is nothing between them.

Thomas Reader is free to download; dB Decibel Meter PRO costs $2.99 up front. Thomas Reader sells 2 in-app purchases, starting at $19.99 per month. dB Decibel Meter PRO asks for nothing beyond the download.

dB Decibel Meter PRO ships an update every 3 months, Thomas Reader every 2 months. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | dB Decibel Meter PRO | Thomas Reader |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[2.3 (8 ratings)](https://appshunter.io/ios/app/db-decibel-meter-pro/id934384218/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 44.1% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 17 MB | 82 MB |
| Requires iOS | **8.3** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Aexol Studio](https://appshunter.io/developer/1711767918) | [Thomas Sinclair Laboratoires](https://appshunter.io/developer/1704657985) |

## What reviewers say

### dB Decibel Meter PRO

[App page](https://appshunter.io/ios/app/db-decibel-meter-pro/id934384218)

Measure sound levels accurately with a pocket-sized tool. This app offers precise decibel readings comparable to professional devices at a fraction of the cost. Use it to monitor your environment and understand potential hearing risks from loud noises.

**Highlights:** Accurate sound level measurement, Pocket-sized convenience, Cost-effective alternative, Beautiful design, Health safety information

**Features:** Vision Pro support

**In-app purchases:** none


### Thomas Reader

[App page](https://appshunter.io/ios/app/thomas-reader/id6736567120)

This app transforms your smartphone into a powerful reading aid and electronic magnifier. It can read aloud various texts like mail, notices, and books, making them accessible for visually impaired or dyslexic users. Features include large text display, page mode, arrow mode for precise targeting, and image zoom.

**Highlights:** Electronic magnifier, Voice-enabled text reading, Large on-screen text display, Page mode for full text, Arrow mode for targeting, Image zoom functionality

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $19.99 | per month |
| 1 year Full Access | $99.00 | per year |


## Frequently asked questions

### Is dB Decibel Meter PRO free?

dB Decibel Meter PRO costs $2.99, with no in-app purchases.

### Is Thomas Reader free?

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

### Do dB Decibel Meter PRO or Thomas Reader have ads?

Neither dB Decibel Meter PRO nor Thomas Reader shows ads.

### Which is updated more often, dB Decibel Meter PRO or Thomas Reader?

dB Decibel Meter PRO ships an update every 3 months, and Thomas Reader every 2 months. Most recently, dB Decibel Meter PRO was updated on October 15, 2026 and Thomas Reader on October 9, 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.*