# dB vs AMT

The clearest difference is rating: AMT at 5.0 against dB's 1.0. AMT also leads on update cadence (every 6 days vs every 3 weeks). dB's advantage is iOS requirement (11.0 vs 15.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AMT holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

dB ships an update every 3 weeks, AMT every 6 days. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | dB | AMT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/db-tester/id1441925884/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/amt-mrdl/id1590901413/reviews)** |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | Free | — |
| Size | 6 MB | 9 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Jumaoyuan Science and Technology Co., Ltd.](https://appshunter.io/developer/1327619798) | [Ken Smelquist](https://appshunter.io/developer/1590901415) |

## What reviewers say

### dB

[App page](https://appshunter.io/ios/app/db-tester/id1441925884)

This utility app allows Bluetooth control of a meter for recording, reading, and deleting data. Visualize parameter trends with graphical curves and receive timely alerts for accurate measurements.

**Highlights:** Bluetooth meter control, Record, read, and delete data, Visualize parameter trends with curves, Accurate alarm function, Data analysis

**Features:** macOS Compatibility

**In-app purchases:** none


### AMT

[App page](https://appshunter.io/ios/app/amt-mrdl/id1590901413)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is dB free?

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

### Is AMT free?

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

### Which has better reviews, dB or AMT?

AMT is rated higher. dB averages 1.0 out of 5 from 1 ratings, while AMT averages 5.0 from 1 ratings.

### Do dB or AMT have ads?

Neither dB nor AMT shows ads.

### Which is updated more often, dB or AMT?

dB ships an update every 3 weeks, and AMT every 6 days. Most recently, dB was updated on October 26, 2026 and AMT on October 27, 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.*