TBEnergy vs Overkill Solar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TBEnergy
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Note: This App is only for TOPBAND 12V Bluetooth LiFePO4 battery. * The Best Utility tool for monitoring your lithium battery! * Install the latest version of Topband "TBEnergy" APP * Some phones (tablet) cannot connect with any BLE devices since its hardware does not support BLE,irrelevant to the system version. * Measuring distance: less than or equal to 5m * One mobile phone only can connect with one battery every time,vice versa. * If you want to connect this battery with another mobile phone,pls exit this program.
Overkill Solar
This app connects to a solar battery management system to provide detailed monitoring and control. Users can track cell voltage, capacity, current, and manage charging/discharging ports. It also offers advanced configuration options for calibration, balancing, and protection settings.
- Monitor cell voltage and capacity
- Control charging and discharging ports
- Calibrate voltage and current
- Configure balancer and protection values
- Log voltage, current, and power
- Monitor BMS alarms and temperature
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Overkill Solar iOS App allows users to connect with the Overkill Solar Battery Management System (BMS). It can monitor voltage of the cells, total capacity, charging and discharging current, and switch the charging and discharging ports on or off. Features: - change bluetooth advertising name - unlock hardware protected BMS - save or load BMS configurations - calibrate cells voltage and charging or discharging current - log maximum or minimum voltage, current and power - enable and configure the balancer - modify the capacity settings - monitor temperature - monitor BMS alarms - import and export .fig files - set level 2 and 3 advanced protection values
Screenshots
Verdict
The clearest difference is iOS requirement: TBEnergy at 10.0 against Overkill Solar's 13.4. On price, update cadence, ads and in-app purchases 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.
TBEnergy ships an update every 5 months, Overkill Solar every 4 months. The most recent releases landed on September 13, 2026 and August 18, 2026 respectively.
| Parameter | TBEnergy | Overkill Solar |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.7 (16 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 16 — better |
| Update frequency | Every 5 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 10.0 — better | 13.4 |
| Further details — not scored | ||
| Size | 23 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Topband Co.,Ltd | Overkill Solar LLC |
In-app purchases
TBEnergy
No in-app purchases
Overkill Solar
No in-app purchases
