# dB vs DB Companion Mobile

The clearest difference is update cadence: dB at every 3 weeks against DB Companion Mobile's every 2 months. dB also leads on iOS requirement (11.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

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

dB ships an update every 3 weeks, DB Companion Mobile every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | dB | DB Companion Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/db-tester/id1441925884/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 6 MB | 17 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Jumaoyuan Science and Technology Co., Ltd.](https://appshunter.io/developer/1327619798) | [selcuk tecimen](https://appshunter.io/developer/1523041761) |

## 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


### DB Companion Mobile

[App page](https://appshunter.io/ios/app/db-companion-mobile/id1532402986)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is dB free?

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

### Is DB Companion Mobile free?

DB Companion Mobile is free to download, with no in-app purchases.

### Do dB or DB Companion Mobile have ads?

Neither dB nor DB Companion Mobile shows ads.

### Which is updated more often, dB or DB Companion Mobile?

dB ships an update every 3 weeks, and DB Companion Mobile every 2 months. Most recently, dB was updated on November 2, 2026 and DB Companion Mobile on November 3, 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.*