Overkill Solar vs EG4 EX
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
EG4 EX
Monitor your energy storage machine's status in real-time with this mobile application. It offers convenient and quick access to data, featuring clear visualizations of both current and historical information. The software is designed for efficient data transfer, minimizing internet traffic.
- Real-time status monitoring
- Historical data display
- Data visualization charts
- Low internet traffic usage
- Multi-dimensional data display
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EG4 EX LLC is a mobile terminal application software for intelligent monitoring of the energy storage machine, which enables users to monitor the status information of the energy storage machine in real time more conveniently and quickly. clever Data visualization, easy to understand charts A wiser approach Display real-time and historical data on the web anytime, anywhere rich Multi dimensional display of real-time and historical data Salvation The traffic generated by the Internet is small, fast, and does not occupy a lot of traffic.
Screenshots
Verdict
The clearest difference is rating: Overkill Solar at 4.7 against EG4 EX's 3.0. Overkill Solar also leads on ratings volume (16 vs 2). EG4 EX's advantage is update cadence (every 2 weeks vs every 4 months) and iOS requirement (11.0 vs 13.4). On price, ads, in-app purchases and monetization model 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 3.0. That said, the two scores are not equally well evidenced: Overkill Solar has 16 ratings behind it against 2, so its average is the more settled of the two.
Overkill Solar ships an update every 4 months, EG4 EX every 2 weeks. The most recent releases landed on August 18, 2026 and August 26, 2026 respectively.
| Parameter | Overkill Solar | EG4 EX |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (16 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 16 — better | 2 |
| Update frequency | Every 4 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.4 | 11.0 — better |
| Further details — not scored | ||
| Size | 21 MB | 91 MB |
| Age rating | 4+ | 4+ |
| Developer | Overkill Solar LLC | Naveen Tera |
Customer experience
Overkill Solar
EG4 EX
In-app purchases
Overkill Solar
No in-app purchases
EG4 EX
No in-app purchases









