# UUSolar vs AEC Tool

UUSolar 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.

UUSolar ships an update monthly, AEC Tool every 3 weeks. The most recent releases landed on September 17, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | UUSolar | AEC Tool |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 47 MB | 83 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [泽炜 李](https://appshunter.io/developer/1774184312) | [Shenzhen Energy Control Cloud Technology Co., Ltd](https://appshunter.io/developer/1765046101) |

## What reviewers say

### UUSolar

[App page](https://appshunter.io/ios/app/uusolar/id6737028315)

**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 UUSolar free?

UUSolar 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 UUSolar or AEC Tool have ads?

Neither UUSolar nor AEC Tool shows ads.

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

UUSolar ships an update monthly, and AEC Tool every 3 weeks. Most recently, UUSolar was updated on September 17, 2026 and AEC Tool on September 19, 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.*