Comparison

Overkill Solar vs EASUN

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

EASUN

Monitor your battery's real-time status, including voltage, current, and internal resistance. Track historical data, compare individual cell performance, and receive alerts for critical conditions like over/under voltage and temperature. This system helps optimize lithium battery health and lifespan.

Highlights
  • Real-time voltage, current, power monitoring
  • Instrument panel and numerical displays
  • Chart timeline for historical data
  • Cell comparison and voltage difference
  • Cell balance display
  • Temperature and fault alarms
  • Single battery voltage and alarm status
Features
Read full description

The EASUN 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 EASUN can help you learn more about the convenience of using the battery Best Regards !

Screenshots

Overkill Solar4 screens
EASUN4 screens

Verdict

The call

The clearest difference is review sentiment: Overkill Solar at 100% against EASUN's 0%. 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Overkill Solar ships an update every 4 months, EASUN every 2 months. The most recent releases landed on September 28, 2026 and October 2, 2026 respectively.

Scorecard1 real difference · 9 level
Overkill Solar versus EASUN: the parameters behind the verdict, then further details
ParameterOverkill SolarEASUN
PriceFreeFree
Rating4.7 (16 ratings) — better—
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings16 — better—
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.412.0 — better
Further details — not scored
Size21 MB38 MB
Age rating4+17+
DeveloperOverkill Solar LLCNanchang Yepai Technology Co., Ltd.

Customer experience

Overkill Solar

All ratings16 ratings
Positive87.5%
Neutral12.5%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

EASUN

Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Overkill Solar

No in-app purchases

None

EASUN

No in-app purchases

Questions

Is Overkill Solar free?
Overkill Solar is free to download, with no in-app purchases.
Is EASUN free?
EASUN is free to download, with no in-app purchases.
Do Overkill Solar or EASUN have ads?
Neither Overkill Solar nor EASUN shows ads.
Which is updated more often, Overkill Solar or EASUN?
Overkill Solar ships an update every 4 months, and EASUN every 2 months. Most recently, Overkill Solar was updated on September 28, 2026 and EASUN on October 2, 2026.

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