# i vs UOOK BMS

The clearest difference is update cadence: UOOK BMS at weekly against i's every 19 months. i's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 16.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

i ships an update every 19 months, UOOK BMS weekly. The most recent releases landed on October 8, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | i | UOOK BMS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Weekly** |
| Monetization | Free | — |
| Size | 34 MB | 6 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [i-tecc batteries GmbH](https://appshunter.io/developer/1699629525) | [SYSCODE INTERNATIONAL INC.](https://appshunter.io/developer/1056483582) |

## What reviewers say

### i

[App page](https://appshunter.io/ios/app/i-tecc-plus-bms/id6453992900)

Monitor your i-tecc+ LiFePO4 batteries with detailed insights. Track state of charge, capacity, power usage, temperature, and charge cycles. Essential for managing battery health and performance.

**Highlights:** Monitor state of charge, Track battery capacity, View power consumption, Check battery temperature, Record charge cycles, LiFePO4 battery information

**Features:** macOS Compatibility

**In-app purchases:** none


### UOOK BMS

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is i free?

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

### Is UOOK BMS free?

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

### Do i or UOOK BMS have ads?

Neither i nor UOOK BMS shows ads.

### Which is updated more often, i or UOOK BMS?

i ships an update every 19 months, and UOOK BMS weekly. Most recently, i was updated on October 8, 2026 and UOOK BMS on September 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*