BMS Tool vs OPTIMA Lithium Bluetooth
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
Read full descriptionHide full description
Universal BMS (Battery Management) monitoring app. Actual functionality: - Screen Always ON mode - Multiple BMS View / support - Read only support for Liontron BMS - Read only support for XiaoXiang BMS - Read only support for ANT BMS - Read only support for Wattstunde LiFePo4 batteries - Support for macOS Functionality Requests please submit on GitHub.
OPTIMA Lithium Bluetooth
Monitor your battery's real-time status, including charge level, voltage, and temperature. Receive safety alerts and customize battery names for easy identification. Connect wirelessly via Bluetooth for convenient access to all essential battery data.
- Real-time State of Charge (SOC)
- Real-time battery and cell voltages
- Real-time internal battery temperature
- Battery safety alerts
- Customizable battery names
Read full descriptionHide full description
The OPTIMA LITHIUM BLUETOOTH allows connection to the Battery via Bluetooth. The OPTIMA LITHIUM BLUETOOTH can monitor real-time information such as State of Charge, voltage level, Battery temperature, cell voltages and Battery safety alerts Feature Check real-time State of Charge (SOC) of your battery. Check real-time battery and cell voltages. Check real-time internal battery temperature. Monitor battery safety alerts Ability to customise your battery's names
Screenshots
Verdict
The clearest difference is review sentiment: BMS Tool at 71% against OPTIMA Lithium Bluetooth's 0%. BMS Tool also leads on rating (3.9 vs 3.7). OPTIMA Lithium Bluetooth's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume, update cadence and device support 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. OPTIMA Lithium Bluetooth asks for nothing beyond the download.
BMS Tool holds the better App Store score, 3.9 against 3.7. Both are backed by a comparable volume of ratings — 7 and 3 respectively. Written reviews point the same way: 71% of BMS Tool's written reviews are positive against 0% of OPTIMA Lithium Bluetooth's.
BMS Tool ships an update every 2 months, OPTIMA Lithium Bluetooth every 3 months. The most recent releases landed on September 16, 2026 and June 1, 2026 respectively.
| Parameter | BMS Tool | OPTIMA Lithium Bluetooth |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (7 ratings) — better | 3.7 (3 ratings) |
| Positive reviews | 71.4% of reviews — better | 0.0% of reviews |
| Number of ratings | 7 — better | 3 |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.2 | 12.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 42 MB |
| Age rating | 4+ | 17+ |
| Developer | e77code GmbH | Clarios LLC |
Customer experience
BMS Tool
OPTIMA Lithium Bluetooth
In-app purchases
BMS Tool
- Remove Ads$1.99
OPTIMA Lithium Bluetooth
No in-app purchases
Questions
Is BMS Tool free?
Is OPTIMA Lithium Bluetooth free?
Which has better reviews, BMS Tool or OPTIMA Lithium Bluetooth?
Do BMS Tool or OPTIMA Lithium Bluetooth have ads?
Which is updated more often, BMS Tool or OPTIMA Lithium Bluetooth?
Other comparisons
