# dB vs Gran Prix Car

The clearest difference is iOS requirement: Gran Prix Car at 9.0 against dB's 11.0. On price, update cadence, 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.

dB ships an update every 3 weeks, Gran Prix Car monthly. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | dB | Gran Prix Car |
| --- | --- | --- |
| 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** | Monthly |
| Monetization | Free | — |
| Size | 6 MB | 102 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Jumaoyuan Science and Technology Co., Ltd.](https://appshunter.io/developer/1327619798) | [文 张](https://appshunter.io/developer/1512068135) |

## 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


### Gran Prix Car

[App page](https://appshunter.io/ios/app/gran-prix-car/id6769670101)

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

**In-app purchases:** none


## Frequently asked questions

### Is dB free?

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

### Is Gran Prix Car free?

Gran Prix Car is free to download, with no in-app purchases.

### Do dB or Gran Prix Car have ads?

Neither dB nor Gran Prix Car shows ads.

### Which is updated more often, dB or Gran Prix Car?

dB ships an update every 3 weeks, and Gran Prix Car monthly. Most recently, dB was updated on October 26, 2026 and Gran Prix Car on October 28, 2026.

---

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