# O3Z vs BMS Meta

The clearest difference is update cadence: BMS Meta at every 2 months against O3Z's every 4 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.

O3Z ships an update every 4 months, BMS Meta every 2 months. The most recent releases landed on October 27, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | O3Z | BMS Meta |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.9 (17 ratings)](https://appshunter.io/ios/app/bms-meta/id1619258052/reviews)** |
| Number of ratings | — | **17** |
| Positive reviews | — | 9.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 4 MB | 43 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [STEM s.r.l.](https://appshunter.io/developer/1577070000) | [Shenzhen Tuodatong Electronics Co., Ltd.](https://appshunter.io/developer/1618577296) |

## What reviewers say

### O3Z

[App page](https://appshunter.io/ios/app/o3z-tech-connect/id1609095280)

**In-app purchases:** none


### BMS Meta

[App page](https://appshunter.io/ios/app/bms-meta/id1619258052)

Monitor your device's battery in real-time and configure custom battery parameters. This utility app provides insights into your battery's current status.

**Highlights:** Real-time battery status view, Battery parameter settings, Device battery monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is O3Z free?

O3Z is free to download, with no in-app purchases.

### Is BMS Meta free?

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

### Do O3Z or BMS Meta have ads?

Neither O3Z nor BMS Meta shows ads.

### Which is updated more often, O3Z or BMS Meta?

O3Z ships an update every 4 months, and BMS Meta every 2 months. Most recently, O3Z was updated on October 27, 2026 and BMS Meta 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.*