# BS Solar vs Yamlite

The clearest difference is in-app purchases: BS Solar at none against Yamlite's 1. BS Solar also leads on iOS requirement (13.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Yamlite sells 1 one-off in-app purchase. BS Solar asks for nothing beyond the download.

BS Solar ships an update every 2 months, Yamlite monthly. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | BS Solar | Yamlite |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 17 MB | 1 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Suzhou Jiale Information Technology Co., Ltd.](https://appshunter.io/developer/1171647925) | [永 张](https://appshunter.io/developer/1806535769) |

## What reviewers say

### BS Solar

[App page](https://appshunter.io/ios/app/bs-solar/id1528932223)

This app allows users to easily view photovoltaic (PV) data from their solar systems. It provides detailed graphics on power output, generated energy, and system yield, supporting end-users, distributors, and installers. Registration is required to use the app with your plant.

**Highlights:** Easy PV data viewing, System performance graphics, Power output monitoring, Generated energy tracking, Yield information, Supports end-users, distributors, and installers

**Features:** macOS Compatibility

**In-app purchases:** none


### Yamlite

[App page](https://appshunter.io/ios/app/yamlite-yaml-validator/id6788000247)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| YamlValidator Pro | $4.99 | one-time |


## Frequently asked questions

### Is BS Solar free?

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

### Is Yamlite free?

Yamlite is free to download, with in-app purchases available.

### Do BS Solar or Yamlite have ads?

Neither BS Solar nor Yamlite shows ads.

### Which is updated more often, BS Solar or Yamlite?

BS Solar ships an update every 2 months, and Yamlite monthly. Most recently, BS Solar was updated on October 15, 2026 and Yamlite on October 7, 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.*