# SolarECO vs WenGao

The clearest difference is update cadence: SolarECO at every 5 weeks against WenGao's every 3 months. SolarECO also leads on iOS requirement (12.0 vs 15.0). 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.

SolarECO ships an update every 5 weeks, WenGao every 3 months. The most recent releases landed on October 25, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | SolarECO | WenGao |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Size | 56 MB | 25 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [家豪 李](https://appshunter.io/developer/1738154766) | [Shenzhen Wengao Electronic Co., Ltd](https://appshunter.io/developer/1871343121) |

## What reviewers say

### SolarECO

[App page](https://appshunter.io/ios/app/solareco/id6484594025)

**In-app purchases:** none


### WenGao

[App page](https://appshunter.io/ios/app/wengao/id6758176815)

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

**In-app purchases:** none


## Frequently asked questions

### Is SolarECO free?

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

### Is WenGao free?

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

### Do SolarECO or WenGao have ads?

Neither SolarECO nor WenGao shows ads.

### Which is updated more often, SolarECO or WenGao?

SolarECO ships an update every 5 weeks, and WenGao every 3 months. Most recently, SolarECO was updated on October 25, 2026 and WenGao on October 4, 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.*