SmartBat vs Overkill Solar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SmartBat
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SmartBat Pro is an enhanced Bluetooth APP based on "SmartBat" Bluetooth APP. Beside previous functions such as monitoring battery status, processing battery information in real time, it can exchange information with external devices such as revise BMS settings if the built-in BMS support the function. The most fascinating feature is that SmartBat Pro bluetooth APP can read the information of some popular batteries in the market too. The detailed functions are as below, 1. Display real-time voltage , current, power, internal resistance and other parameters in the form of panel and digital display; 2. Display the real-time voltage and alarm status of all individual batteries. If the alarm or protection value is triggered, an alarm is generated. Charging switch, load switch. 4. Compare each data of the cell and the voltage difference. Maximum voltage cell Minimum voltage cell. And cell balance display 5. Cell temperature warning. Real-time alarms are generated for overtemperature, short circuit, overvoltage, and undervoltage 6. Record the warnings that occur at each moment. 7. Compatible with different models of products 8. Revise battery settings on-site (depend on BMS and password needed) SmartBat Pro will help you enjoy your battery.
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: SmartBat at 11.0 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.
SmartBat ships an update every 3 months, Overkill Solar every 4 months. The most recent releases landed on September 10, 2026 and August 18, 2026 respectively.
| Parameter | SmartBat | 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 3 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 13.4 |
| Further details — not scored | ||
| Size | 16 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | shahrooz pourhashemi | Overkill Solar LLC |
In-app purchases
SmartBat
No in-app purchases
Overkill Solar
No in-app purchases
