# BMS Tool vs Imperium Lithium Power

The clearest difference is review sentiment: BMS Tool at 71% against Imperium Lithium Power's 0%. BMS Tool also leads on rating (3.9 vs 1.0) and ratings volume (7 vs 1). Imperium Lithium Power's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price there is nothing between them.

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

BMS Tool holds the better App Store score, 3.9 against 1.0. That said, the two scores are not equally well evidenced: BMS Tool has 7 ratings behind it against 1, 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 0% of Imperium Lithium Power's.

BMS Tool ships an update every 2 months, Imperium Lithium Power every 3 days. The most recent releases landed on October 27, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | BMS Tool | Imperium Lithium Power |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (7 ratings)](https://appshunter.io/ios/app/bms-tool/id1511343379/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/imperium-lithium-power/id1574342104/reviews) |
| Number of ratings | **7** | 1 |
| Positive reviews | **71.4% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 49 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [e77code GmbH](https://appshunter.io/developer/1375405425) | [Shanghai Shenlu Intelligence Technology Co., Ltd.](https://appshunter.io/developer/1570129890) |

## 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, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


### Imperium Lithium Power

[App page](https://appshunter.io/ios/app/imperium-lithium-power/id1574342104)

Monitor your lithium battery's status, including charge, discharge, and standby states. View real-time data like remaining capacity, voltage, and current to ensure safe operation. Access technical support by entering a password.

**Highlights:** Bluetooth BMS connection, Real-time battery status (charging, discharging, standby), Remaining capacity (SOC) display, Voltage and current monitoring, Effective capacity reading, Technical support access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BMS Tool free?

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

### Is Imperium Lithium Power free?

Imperium Lithium Power is free to download, with no in-app purchases.

### Which has better reviews, BMS Tool or Imperium Lithium Power?

BMS Tool is rated higher. BMS Tool averages 3.9 out of 5 from 7 ratings, while Imperium Lithium Power averages 1.0 from 1 ratings.

### Do BMS Tool or Imperium Lithium Power have ads?

BMS Tool shows ads; Imperium Lithium Power does not.

### Which is updated more often, BMS Tool or Imperium Lithium Power?

BMS Tool ships an update every 2 months, and Imperium Lithium Power every 3 days. Most recently, BMS Tool was updated on October 27, 2026 and Imperium Lithium Power on October 5, 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.*