# SMART BMS vs BAT

The clearest difference is rating: BAT at 3.2 against SMART BMS's 2.1. BAT also leads on review sentiment (24% vs 11%). On price, ratings volume, update cadence and ads there is nothing between them.

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

BAT holds the better App Store score, 3.2 against 2.1. Both are backed by a comparable volume of ratings — 76 and 61 respectively. Written reviews point the same way: 11% of SMART BMS's written reviews are positive against 24% of BAT's.

SMART BMS ships an update every 6 weeks, BAT every 3 weeks. The most recent releases landed on September 14, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | SMART BMS | BAT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (76 ratings)](https://appshunter.io/ios/app/smart-bms/id1519968339/reviews) | **[3.2 (61 ratings)](https://appshunter.io/ios/app/bat-bms/id1611741274/reviews)** |
| Number of ratings | **76** | 61 |
| Positive reviews | 11.1% of reviews | **24.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 65 MB | 9 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [所兵 邱](https://appshunter.io/developer/1519230775) | [Shenzhen Grenergy Technology Co.,Ltd.](https://appshunter.io/developer/1602312075) |

## What reviewers say

### SMART BMS

[App page](https://appshunter.io/ios/app/smart-bms/id1519968339)

Connect to and manage your lithium battery via Bluetooth. Monitor battery status, query information, and set safety parameters. Receive alerts for battery faults and track their occurrences.

**Highlights:** Bluetooth battery connection, Battery status query, Fault alarm monitoring, Safety parameter settings, Password protection for settings

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Functional app
- 👍 Easy to use
- 🔋 Works with lithium batteries
- 💡 Displays cell balance information

**What reviewers complain about**

- 🐛 Connection issues
- 🐛 Crashes and freezes
- 🐛 Unreliable data
- 🐛 Compatibility problems with updates
- 🔋 Drains phone battery

**Reported bugs**

- Bluetooth connectivity problems
- Incorrect series/parallel configuration display
- Firmware update issues
- Inconsistent data readings
- Inability to change settings

**Requested features**

- Dark mode option
- Logging and historical data
- Better parameter customization
- Improved battery monitoring metrics
- Apple Watch support


### BAT

[App page](https://appshunter.io/ios/app/bat-bms/id1611741274)

Monitor your smart Bluetooth lithium batteries wirelessly from your phone. Track key metrics like state of charge, voltage, current, and temperature. Connect to multiple batteries simultaneously and view their data.

**Highlights:** Wireless Bluetooth connection, Track cycle life, Display SOC, voltage, current, Monitor cell voltage and temperature, Connect to multiple batteries

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SMART BMS free?

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

### Is BAT free?

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

### Which has better reviews, SMART BMS or BAT?

BAT is rated higher. SMART BMS averages 2.1 out of 5 from 76 ratings, while BAT averages 3.2 from 61 ratings.

### Do SMART BMS or BAT have ads?

Neither SMART BMS nor BAT shows ads.

### Which is updated more often, SMART BMS or BAT?

SMART BMS ships an update every 6 weeks, and BAT every 3 weeks. Most recently, SMART BMS was updated on September 14, 2026 and BAT on September 9, 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.*