# HL vs BLUTEK

The clearest difference is update cadence: HL at monthly against BLUTEK's every 5 months. HL also leads on iOS requirement (9.0 vs 15.0). 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.

HL ships an update monthly, BLUTEK every 5 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | HL | BLUTEK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 months |
| Size | 18 MB | 80 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [上海铭控传感技术有限公司](https://appshunter.io/developer/1687248200) | [宁波可名仪表有限公司](https://appshunter.io/developer/1802541782) |

## What reviewers say

### HL

[App page](https://appshunter.io/ios/app/hl-151-en/id6449443909)

**In-app purchases:** none


### BLUTEK

[App page](https://appshunter.io/ios/app/blutek/id6743382057)

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

**In-app purchases:** none


## Frequently asked questions

### Is HL free?

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

### Is BLUTEK free?

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

### Do HL or BLUTEK have ads?

Neither HL nor BLUTEK shows ads.

### Which is updated more often, HL or BLUTEK?

HL ships an update monthly, and BLUTEK every 5 months. Most recently, HL was updated on November 3, 2026 and BLUTEK on October 30, 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.*