Overkill Solar vs TEMGO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
TEMGO
Monitor your battery's real-time performance, including voltage, current, and internal resistance. Track historical data, compare individual cell performance, and receive alerts for critical temperature and voltage conditions. This system helps optimize battery health and lifespan.
- Real-time voltage, current, and power display
- Historical data charting
- Individual cell comparison and balancing
- Temperature and voltage alarms
- Fault reporting function
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The Temgot Battery management system is connected to the active equalizer via Bluetooth to monitor the battery status, collect, store and process information during battery operation in real, time Easy for after-sales management。 1. Display real-time voltage, current, power, internal resistance and other parameter values, and display them in the form of instrument panels and numbers; 2.Record battery data using a chart timeline. Easy to use 3. Each data comparison of the battery cell, the voltage difference. Maximum voltage cell Minimum voltage cell. And the display of cell balance 4. Cell temperature warning. Real-time alarm for over temperature, short circuit, over voltage, under voltage 5. Display the real-time voltage and alarm status of all single batteries. If the reported parameters trigger the alarm value or protection value, an alarm will be prompted; 6.New fault reporting function Use a Battery Monitoring System To get the most out of a lithium battery, it’s essential to use a battery monitoring system. This will help track your battery’s charging and discharging cycles and overall health. A battery monitoring system will ensure that your battery is always in top condition and prolong its lifespan. I hope Temgot can help you learn more about the convenience of using the battery Best Regards !
Screenshots
Verdict
The clearest difference is rating: Overkill Solar at 4.7 against TEMGO's 4.0. Overkill Solar also leads on ratings volume (16 vs 3). TEMGO's advantage is update cadence (every 3 weeks vs every 4 months). On price, review sentiment, 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.
Overkill Solar holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Overkill Solar has 16 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.
Overkill Solar ships an update every 4 months, TEMGO every 3 weeks. Both last shipped on August 18, 2026.
| Parameter | Overkill Solar | TEMGO |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (16 ratings) — better | 4.0 (3 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 16 — better | 3 |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.4 | 13.0 — better |
| Further details — not scored | ||
| Size | 21 MB | 31 MB |
| Age rating | 4+ | 17+ |
| Developer | Overkill Solar LLC | Shenzhen Guri New Energy |
Customer experience
Overkill Solar
TEMGO
In-app purchases
Overkill Solar
No in-app purchases
TEMGO
No in-app purchases









