# sunbright US vs Yalla Solar

The clearest difference is update cadence: Yalla Solar at every 3 months against sunbright US's every 6 months. 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.

sunbright US ships an update every 6 months, Yalla Solar every 3 months. The most recent releases landed on October 27, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | sunbright US | Yalla Solar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/yalla-solar/id6760193842/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 63 MB | 55 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Shanghai Sunbright Industrial Co.,Ltd](https://appshunter.io/developer/1749930927) | [Ahmed Almudaris](https://appshunter.io/developer/1470053759) |

## What reviewers say

### sunbright US

[App page](https://appshunter.io/ios/app/sunbright-us/id6532601807)

**Features:** macOS Compatibility

**In-app purchases:** none


### Yalla Solar

[App page](https://appshunter.io/ios/app/yalla-solar/id6760193842)

This platform connects solar industry professionals and customers, offering tools to discover solar products, calculate system needs, and manage equipment orders. It streamlines the process for both solar experts and individuals planning installations.

**Highlights:** Connects solar companies, installers, and customers, Discover solar products, Calculate system requirements, Manage solar equipment orders, Marketplace for solar projects

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

**In-app purchases:** none


## Frequently asked questions

### Is sunbright US free?

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

### Is Yalla Solar free?

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

### Do sunbright US or Yalla Solar have ads?

Neither sunbright US nor Yalla Solar shows ads.

### Which is updated more often, sunbright US or Yalla Solar?

sunbright US ships an update every 6 months, and Yalla Solar every 3 months. Most recently, sunbright US was updated on October 27, 2026 and Yalla Solar on October 12, 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.*