# SmartLite vs UUSolar

SmartLite and UUSolar 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.

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

## The numbers

| Metric | SmartLite | UUSolar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 25 MB | 47 MB |
| Requires iOS | 13 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [祥梯 孟](https://appshunter.io/developer/1070155084) | [泽炜 李](https://appshunter.io/developer/1774184312) |

## What reviewers say

### SmartLite

[App page](https://appshunter.io/ios/app/smartlite/id6504552923)

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

**In-app purchases:** none


### UUSolar

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SmartLite free?

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

### Is UUSolar free?

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

### Do SmartLite or UUSolar have ads?

Neither SmartLite nor UUSolar shows ads.

### Which is updated more often, SmartLite or UUSolar?

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