# UOOK BMS vs Xenterra Solar

The clearest difference is update cadence: UOOK BMS at weekly against Xenterra Solar's monthly. Xenterra Solar's advantage is iOS requirement (13.0 vs 16.4). 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.

UOOK BMS ships an update weekly, Xenterra Solar monthly. The most recent releases landed on October 13, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | UOOK BMS | Xenterra Solar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Size | 6 MB | 57 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [SYSCODE INTERNATIONAL INC.](https://appshunter.io/developer/1056483582) | [HDL Automation Co., Ltd](https://appshunter.io/developer/1256347409) |

## What reviewers say

### UOOK BMS

[App page](https://appshunter.io/ios/app/uook-bms/id6475134191)

**Features:** macOS Compatibility

**In-app purchases:** none


### Xenterra Solar

[App page](https://appshunter.io/ios/app/xenterra-solar/id6736963347)

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

**In-app purchases:** none


## Frequently asked questions

### Is UOOK BMS free?

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

### Is Xenterra Solar free?

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

### Do UOOK BMS or Xenterra Solar have ads?

Neither UOOK BMS nor Xenterra Solar shows ads.

### Which is updated more often, UOOK BMS or Xenterra Solar?

UOOK BMS ships an update weekly, and Xenterra Solar monthly. Most recently, UOOK BMS was updated on October 13, 2026 and Xenterra Solar on October 16, 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.*