# HLK vs AEC Tool

The clearest difference is update cadence: AEC Tool at every 3 weeks against HLK's every 8 months. HLK's advantage is iOS requirement (11.0 vs 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.

HLK ships an update every 8 months, AEC Tool every 3 weeks. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | HLK | AEC Tool |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Size | 3 MB | 83 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [深圳市海凌科电子有限公司](https://appshunter.io/developer/1116319863) | [Shenzhen Energy Control Cloud Technology Co., Ltd](https://appshunter.io/developer/1765046101) |

## What reviewers say

### HLK

[App page](https://appshunter.io/ios/app/hlk-b30/id6450924379)

**Features:** macOS Compatibility

**In-app purchases:** none


### AEC Tool

[App page](https://appshunter.io/ios/app/aec-tool/id6743854321)

**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 AEC Tool free?

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

### Do HLK or AEC Tool have ads?

Neither HLK nor AEC Tool shows ads.

### Which is updated more often, HLK or AEC Tool?

HLK ships an update every 8 months, and AEC Tool every 3 weeks. Most recently, HLK was updated on October 3, 2026 and AEC Tool on October 6, 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.*