# BMS Tool vs SMART BMS

The clearest difference is review sentiment: BMS Tool at 71% against SMART BMS's 11%. BMS Tool also leads on rating (3.9 vs 2.1). SMART BMS's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. BMS Tool sells 1 one-off in-app purchase. SMART BMS asks for nothing beyond the download.

BMS Tool holds the better App Store score, 3.9 against 2.1. That said, the two scores are not equally well evidenced: SMART BMS has 76 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 71% of BMS Tool's written reviews are positive against 11% of SMART BMS's.

BMS Tool ships an update every 2 months, SMART BMS every 6 weeks. The most recent releases landed on September 16, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | BMS Tool | SMART BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (7 ratings)](https://appshunter.io/ios/app/bms-tool/id1511343379/reviews)** | [2.1 (76 ratings)](https://appshunter.io/ios/app/smart-bms/id1519968339/reviews) |
| Number of ratings | 7 | **76** |
| Positive reviews | **71.4% of reviews** | 11.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 9 MB | 65 MB |
| Requires iOS | 15.2 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [e77code GmbH](https://appshunter.io/developer/1375405425) | [所兵 邱](https://appshunter.io/developer/1519230775) |

## What reviewers say

### BMS Tool

[App page](https://appshunter.io/ios/app/bms-tool/id1511343379)

Monitor your battery management systems via Bluetooth. Supports multiple BMS types including Liontron, XiaoXiang, ANT, and Wattstunde. Offers a screen always-on mode and macOS compatibility.

**Highlights:** Screen Always ON mode, Multiple BMS support, Liontron BMS read-only, XiaoXiang BMS read-only, ANT BMS read-only, Wattstunde LiFePo4 read-only, macOS support

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### 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


## Frequently asked questions

### Is BMS Tool free?

BMS Tool is free to download, with in-app purchases available.

### Is SMART BMS free?

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

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

BMS Tool is rated higher. BMS Tool averages 3.9 out of 5 from 7 ratings, while SMART BMS averages 2.1 from 76 ratings.

### Do BMS Tool or SMART BMS have ads?

BMS Tool shows ads; SMART BMS does not.

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

BMS Tool ships an update every 2 months, and SMART BMS every 6 weeks. Most recently, BMS Tool was updated on September 16, 2026 and SMART BMS on September 14, 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.*