Comparison

Overkill Solar vs KA Lithium

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
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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

About

KA Lithium

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Monitor your KA lithium battery in real-time with the Bluetooth App. Check SOC, charge and discharge current, battery voltage, and battery temperature, and monitor any system alarms. Connect to either a single battery or multiple batteries in series and parallel for a single monitoring solution for your battery bank installation with KickAss Lithium batteries.

Screenshots

Overkill Solar4 screens
KA Lithium4 screens

Verdict

The call

Overkill Solar and KA Lithium are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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, KA Lithium every 6 months. The most recent releases landed on August 18, 2026 and September 11, 2026 respectively.

ScorecardNo meaningful differences
Overkill Solar versus KA Lithium: the parameters behind the verdict, then further details
ParameterOverkill SolarKA Lithium
PriceFreeFree
Rating4.7 (16 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings16 — better—
Update frequencyEvery 4 months — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.413.0 — better
Further details — not scored
Size21 MB59 MB
Age rating4+4+
DeveloperOverkill Solar LLCKickass Products Pty Ltd

In-app purchases

None

Overkill Solar

No in-app purchases

None

KA Lithium

No in-app purchases

Questions

Is Overkill Solar free?
Overkill Solar is free to download, with no in-app purchases.
Is KA Lithium free?
KA Lithium is free to download, with no in-app purchases.
Do Overkill Solar or KA Lithium have ads?
Neither Overkill Solar nor KA Lithium shows ads.
Which is updated more often, Overkill Solar or KA Lithium?
Overkill Solar ships an update every 4 months, and KA Lithium every 6 months. Most recently, Overkill Solar was updated on August 18, 2026 and KA Lithium on September 11, 2026.

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