Overkill Solar vs ECO Battery
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
ECO Battery
Monitor and manage your lithium battery's health and performance. Optimize charging and discharging cycles to extend battery lifespan. Get detailed insights into your battery's status.
- Lithium battery management
- BMS monitoring
- Performance optimization
- Charging cycle control
- Discharging cycle control
- Battery health insights
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Eco Battery lithium BMS
Screenshots
Verdict
The clearest difference is rating: Overkill Solar at 4.8 against ECO Battery's 4.0. Overkill Solar also leads on review sentiment (100% vs 64%). ECO Battery's advantage is update cadence (fortnightly vs every 4 months). On price, ratings volume, 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, 4.8 against 4.0. Both are backed by a comparable volume of ratings — 21 and 22 respectively. Written reviews point the same way: 100% of Overkill Solar's written reviews are positive against 64% of ECO Battery's.
Overkill Solar ships an update every 4 months, ECO Battery fortnightly. Both last shipped on October 24, 2026.
| Parameter | Overkill Solar | ECO Battery |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (21 ratings) — better | 4.0 (22 ratings) |
| Positive reviews | 100.0% of reviews — better | 63.6% of reviews |
| Number of ratings | 21 | 22 — better |
| Update frequency | Every 4 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.4 | 12.0 — better |
| Further details — not scored | ||
| Size | 21 MB | 31 MB |
| Age rating | 4+ | 17+ |
| Developer | Overkill Solar LLC | Eco Capital, Inc. |
Customer experience
Overkill Solar
ECO Battery
In-app purchases
Overkill Solar
No in-app purchases
ECO Battery
No in-app purchases
