# UUSolar vs Queen Tech

The clearest difference is update cadence: UUSolar at monthly against Queen Tech's every 7 months. UUSolar also leads on iOS requirement (12.0 vs 15.6). 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.

UUSolar ships an update monthly, Queen Tech every 7 months. The most recent releases landed on September 17, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | UUSolar | Queen Tech |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 7 months |
| Size | 47 MB | 204 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [泽炜 李](https://appshunter.io/developer/1774184312) | [Shanghai Siseli New Energy Cooperative Enterprise](https://appshunter.io/developer/1673700559) |

## What reviewers say

### UUSolar

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Queen Tech

[App page](https://appshunter.io/ios/app/queen-tech/id6749222638)

**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 Queen Tech free?

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

### Do UUSolar or Queen Tech have ads?

Neither UUSolar nor Queen Tech shows ads.

### Which is updated more often, UUSolar or Queen Tech?

UUSolar ships an update monthly, and Queen Tech every 7 months. Most recently, UUSolar was updated on September 17, 2026 and Queen Tech on September 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*