# HC Solar vs AEC Tool

HC Solar and AEC Tool are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HC Solar ships an update every 5 weeks, AEC Tool every 3 weeks. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | HC Solar | AEC Tool |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Size | 112 MB | 83 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shanghai Siseli New Energy Cooperative Enterprise](https://appshunter.io/developer/1673700559) | [Shenzhen Energy Control Cloud Technology Co., Ltd](https://appshunter.io/developer/1765046101) |

## What reviewers say

### HC Solar

[App page](https://appshunter.io/ios/app/hc-solar/id6736932550)

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

**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 HC Solar free?

HC Solar 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 HC Solar or AEC Tool have ads?

Neither HC Solar nor AEC Tool shows ads.

### Which is updated more often, HC Solar or AEC Tool?

HC Solar ships an update every 5 weeks, and AEC Tool every 3 weeks. Most recently, HC Solar was updated on September 30, 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.*