BAT Check vs TN
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BAT Check
Monitor your phone's battery directly from the BMS. View detailed information like State of Charge, Voltage, Current, and Power. Access alarms, protection settings, and important parameters for battery management.
- Real-time battery monitoring
- Displays battery connection model (Single, Parallel, Series)
- Detailed dashboard with SOC, Voltage, Current, Temperature
- Status tab for alarms and BMS protection
- Parameter tab for import settings
- Bluetooth 5.0 connectivity
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BAT Check Battery APP Description 1) Now you can monitor your battery on your phone directly from the BMS. 2) Displays the connect model of battery,such as Single、Parallel、Series,the Main page including : State of Charge, Voltage, Current, Power. 3) The "DASHBOARD" tab include some basic info,Such as SOC, Status, Current, Cell Voltages, Temprature, Charge Switch, Discharge Switch and so on. 4) The "Status" tab include some Alarms and the protection of bms. 5) The "Parameter" tab include some import parameter,Such as Current Params, Voltage Params, Temprature Params, Protect Count Params and so on. 7) This APP functions through Bluetooth 5.0, Maximum distance of communication on a typical phone is 10 meters (30 feet)
TN
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TN-BMS Lithium Battery APP Description This is the exclusive TN-BMS Lithium Battery Monitor APP 1) Now you can monitor your battery on your phone directly from the BMS. 2) The "Device" tab can direct connect or scan the mac address to connect the battery device. 3) Displays the battery information on the “Dashboard” tab including : State of Charge, Voltage, Capacity, Status, Protection, Current, Power, Cycles, Temperature, Charge/Discharge Switch and so on. 4) The "Parameter" tab include some device info, Such as Bluetooth Name, Norminal capacity, Cycle capacity, Cell num, Version and so on. 5) This APP functions through Bluetooth 5.0, Maximum distance of communication on a typical phone is 10 meters (30 feet). 6) Each battery will only allow one Bluetooth connection at a time.
Screenshots
Verdict
BAT Check and TN are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
| Parameter | BAT Check | TN |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 11 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | 海波 刘 | BMS Technologies LTD |
In-app purchases
BAT Check
No in-app purchases
TN
No in-app purchases








