UltimatronFrance vs Overkill Solar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UltimatronFrance
Monitor your battery's health in real-time, tracking temperature, current, and voltage. Receive alarms for equalization and fault reminders from the protection system. Access historical battery parameter data.
- Real-time battery temperature monitoring
- Real-time current and voltage monitoring
- Battery equalization alarms
- Protection system fault reminders
- Historical battery parameter retrieval
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Experts in battery protection app features: *Real time monitoring of battery temperature *Real time monitoring of current and voltage *Alarm when battery equalization occurs *The protection system sends fault reminders *The parameter information of battery history can be retrieved
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 review sentiment: Overkill Solar at 100% against UltimatronFrance's 19%. UltimatronFrance's advantage is update cadence (every 3 weeks vs every 4 months). 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.
UltimatronFrance ships an update every 3 weeks, Overkill Solar every 4 months. Both last shipped on October 24, 2026.
| Parameter | UltimatronFrance | Overkill Solar |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.8 (21 ratings) — better |
| Positive reviews | 18.8% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 21 — better |
| Update frequency | Every 3 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 13.4 |
| Further details — not scored | ||
| Size | 71 MB | 21 MB |
| Age rating | 17+ | 4+ |
| Developer | ULTIMATRON FRANCE | Overkill Solar LLC |
Customer experience
UltimatronFrance
Overkill Solar
In-app purchases
UltimatronFrance
No in-app purchases
Overkill Solar
No in-app purchases
Questions
Is UltimatronFrance free?
Is Overkill Solar free?
Do UltimatronFrance or Overkill Solar have ads?
Which is updated more often, UltimatronFrance or Overkill Solar?
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