LTW BMS vs TBB BM500
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LTW BMS
Read full descriptionHide full description
The LTW BMS is connected to the battery pack through Bluetooth to monitor the status of the battery pack and provide monitoring means for the management of the lithium battery system. 1. Real-time display of SOC, voltage, current, temperature and other battery pack information in the form of ring and digital display; 2. Displays the real-time voltage of a single battery, protection status and alarm status of the battery string. 3. Display the status of the charge/discharge switch and battery balance.
TBB BM500
Read full descriptionHide full description
TBB'battery monitor kit is composed by a battery shunt and a monitor which allow the user to fully understand his/her battery. Here is some quick facts of this kit: 1) Measurement current is up to 500A 2) Is able to work with battery (or battery bank) 12Vdc, 24Vdc or 48Vdc 3) Compatible with AGM, GEL or LFP battery 4) An elegant design monitor to display battery information such as current, voltage, SOC, time remaining etc. 5) The monitor could be installed at any location where with easy access to users 6) Measurement accuracy: Current: +/- 0.4% Voltage: +/- 0.3%
Screenshots
Verdict
The clearest difference is update cadence: TBB BM500 at every 6 months against LTW BMS's every 14 months. LTW BMS's advantage is iOS requirement (9.0 vs 11.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
LTW BMS ships an update every 14 months, TBB BM500 every 6 months. The most recent releases landed on September 9, 2026 and May 17, 2026 respectively.
| Parameter | LTW BMS | TBB BM500 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 14 months | Every 6 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 9.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 3 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen LTW Electronic Technology Co., Ltd. | TBB Power Co., Ltd |
In-app purchases
LTW BMS
No in-app purchases
TBB BM500
No in-app purchases
