# BS Solar vs UbetterBMS

The clearest difference is update cadence: BS Solar at every 2 months against UbetterBMS's every 5 months. UbetterBMS's advantage is iOS requirement (9.0 vs 13.0). 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.

BS Solar ships an update every 2 months, UbetterBMS every 5 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | BS Solar | UbetterBMS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free | — |
| Size | 17 MB | 15 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Suzhou Jiale Information Technology Co., Ltd.](https://appshunter.io/developer/1171647925) | [Ubetter Technology Company Limited](https://appshunter.io/developer/1683475701) |

## 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


### UbetterBMS

[App page](https://appshunter.io/ios/app/ubetterbms/id6448090489)

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

**In-app purchases:** none


## Frequently asked questions

### Is BS Solar free?

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

### Is UbetterBMS free?

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

### Do BS Solar or UbetterBMS have ads?

Neither BS Solar nor UbetterBMS shows ads.

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

BS Solar ships an update every 2 months, and UbetterBMS every 5 months. Most recently, BS Solar was updated on November 3, 2026 and UbetterBMS on November 3, 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.*