# 测距仪蓝牙 vs DB12

The clearest difference is iOS requirement: 测距仪蓝牙 at 10.0 against DB12's 12.0. 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 测距仪蓝牙 | DB12 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 36 MB | 6 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Henan Bosean Electronic Technology CO.,Ltd](https://appshunter.io/developer/1369794180) | [AIMIX Audio System Equipment Co., Ltd.](https://appshunter.io/developer/1231328086) |

## What reviewers say

### 测距仪蓝牙

[App page](https://appshunter.io/ios/app/id1639829197)

**In-app purchases:** none


### DB12

[App page](https://appshunter.io/ios/app/db12/id6743044744)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 测距仪蓝牙 free?

测距仪蓝牙 is free to download, with no in-app purchases.

### Is DB12 free?

DB12 is free to download, with no in-app purchases.

### Do 测距仪蓝牙 or DB12 have ads?

Neither 测距仪蓝牙 nor DB12 shows ads.

### Which is updated more often, 测距仪蓝牙 or DB12?

测距仪蓝牙 ships an update every 2 months, and DB12 every 2 months. Most recently, 测距仪蓝牙 was updated on October 27, 2026 and DB12 on October 25, 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.*