# SmarTEC vs YY BMS

The clearest difference is iOS requirement: SmarTEC at 8.0 against YY BMS's 15.0. On price, update cadence, 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.

SmarTEC ships an update every 2 months, YY BMS every 6 weeks. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | SmarTEC | YY BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/smartec-bms/id1190436410/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 8 MB | 30 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SHENZHEN SMARTEC TECHNOLOGY COMPANY LIMITED](https://appshunter.io/developer/1190436409) | [Wuhan Yanyang IoT Technology Co., Ltd.](https://appshunter.io/developer/1573509034) |

## What reviewers say

### SmarTEC

[App page](https://appshunter.io/ios/app/smartec-bms/id1190436410)

This utility app connects to smart lithium battery management systems via Bluetooth to display detailed battery information. It supports two series of batteries, showing voltage, current, SOC, cycle count, temperature, capacity, and more.

**Highlights:** Bluetooth connectivity (BLE 4.0), Read battery information, Supports A and B series batteries, Display voltage, current, SOC, Show cycle count and temperature, View capacity and manufacturing date

**Features:** macOS Compatibility

**In-app purchases:** none


### YY BMS

[App page](https://appshunter.io/ios/app/yy-bms/id1574291362)

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

**In-app purchases:** none


## Frequently asked questions

### Is SmarTEC free?

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

### Is YY BMS free?

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

### Do SmarTEC or YY BMS have ads?

Neither SmarTEC nor YY BMS shows ads.

### Which is updated more often, SmarTEC or YY BMS?

SmarTEC ships an update every 2 months, and YY BMS every 6 weeks. Most recently, SmarTEC was updated on October 5, 2026 and YY BMS on October 8, 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.*