BMS Tool vs Balance BMS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BMS Tool
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.
- 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
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BMS Tool shows the state of your battery from its battery management system (BMS) over Bluetooth, on the iPhone, the iPad, the Mac and the Apple Watch. Supported BMS: - XiaoXiang smart BMS - ANT BMS - Liontron batteries - Wattstunde LiFePO4 batteries Features: - Charge, voltage, current and power at a glance - Time until full while charging and until empty while discharging, estimated from the present current - Every cell voltage with minimum, maximum, difference and balancing - Temperature sensors, alarms and BMS information - Several batteries in one list, each with its own name - Session values and a CSV log of the readings - Home screen widget - Apple Watch app with complications: charge, cells, temperatures and alarms of the battery open on the iPhone - The display can stay on while the app is open The app reads the values of the BMS and does not change its settings. Ideas and requests are welcome at web.e77code.com/bms-tool.
Balance BMS
This app allows users to connect to and manage lithium batteries via Bluetooth. It provides detailed information about battery status, helps identify and manage individual battery strings, and allows for setting and reading safety parameters. Users can also monitor and be alerted to battery faults.
- Bluetooth battery connection
- Battery status query
- Identify abnormal batteries
- Set battery protection parameters
- Monitor battery fault alarms
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1. The uniqueness of the Bluetooth name ensures that users can accurately connect and manage the corresponding lithium battery; 2. Information query management can be performed on the battery, the user can query the relevant status of each string of batteries, and replace or maintain the abnormal battery; 3. Safety setting and reading battery protection parameters, user setting parameters, you need to enter a password to modify the parameters; 4. Monitor battery fault alarms and display the current faults,and the number of faults in the battery;
Screenshots
Verdict
BMS Tool and Balance BMS both sit at 3.9 stars, but that hides the real split: 71% of BMS Tool's written reviews are positive against 31% of Balance BMS's. BMS Tool also leads on device support (4 vs 2). Balance BMS's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, rating, ratings volume and update cadence there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. BMS Tool sells 1 one-off in-app purchase. Balance BMS asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 3.9 for BMS Tool against 4.0 for Balance BMS. Both are backed by a comparable volume of ratings — 7 and 6 respectively. Written reviews are what separate them: 71% of BMS Tool's written reviews are positive against 31% of Balance BMS's.
BMS Tool ships an update every 2 months, Balance BMS every 6 weeks. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.
| Parameter | BMS Tool | Balance BMS |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (7 ratings) | 4.0 (6 ratings) — better |
| Positive reviews | 71.4% of reviews — better | 30.8% of reviews |
| Number of ratings | 7 — better | 6 |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 20 MB | 56 MB |
| Age rating | 4+ | 17+ |
| Developer | e77code GmbH | 所兵 邱 |
Customer experience
BMS Tool
Balance BMS
In-app purchases
BMS Tool
- Remove Ads$1.99
Balance BMS
No in-app purchases









