# HLK vs 海拔测量仪

The clearest difference is iOS requirement: HLK at 8.0 against 海拔测量仪's 13.0. 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.

## The numbers

| Metric | HLK | 海拔测量仪 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 19 MB | 71 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [深圳市海凌科电子有限公司](https://appshunter.io/developer/1116319863) | [圆 徐](https://appshunter.io/developer/1726885749) |

## What reviewers say

### HLK

[App page](https://appshunter.io/ios/app/hlk-dio16/id1444494500)

**Features:** macOS Compatibility

**In-app purchases:** none


### 海拔测量仪

[App page](https://appshunter.io/ios/app/id6476578243)

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

**In-app purchases:** none


## Frequently asked questions

### Is HLK free?

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

### Is 海拔测量仪 free?

海拔测量仪 is free to download, with no in-app purchases.

### Do HLK or 海拔测量仪 have ads?

Neither HLK nor 海拔测量仪 shows ads.

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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.*