Comparison

Overkill Solar vs BigBattery Husky 2

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

BigBattery Husky 2

Monitor and manage your portable energy system with real-time diagnostics. Track voltage, temperature, current, and power with clear visuals and reliable Bluetooth connectivity. Ideal for various applications, from RVs to job sites, ensuring uninterrupted power and system health.

Highlights
  • Real-time diagnostics (voltage, temp, current, power)
  • Color-coded gauges and tables
  • Bluetooth 5.0 connectivity (up to 100 ft)
  • One-swipe health check dashboard
  • Cycle count and remaining capacity display
  • Fault alerts
  • Touch-optimized interface
Features
Read full description

BigBattery Husky 2 App Unleash the true power of your portable energy solution. Whether you’re powering a golf cart, off‑grid cabin, RV, boat, or backing up critical home circuits, the BigBattery Husky 2 lithium system delivers unmatched capacity, safety, and lifespan. Pair it with the Husky 2 App to transform raw energy into real‑time insight. Why Husky 2 + App = Next‑Level Energy Freedom Crystal‑Clear Diagnostics – Voltage, temperature, current, and power are distilled into color‑coded gauges and tables, so you can monitor all aspects of your Husky 2 in real-time. Instant Confidence, Anywhere – Military‑grade Bluetooth® 5.0 gives you rock‑solid connectivity up to 100 ft, even through van walls or solar enclosures. One‑Swipe Health Check – See cycle count, remaining capacity, and fault alerts on a single dashboard perfect for golfers, RVs, Off-Gridders, contractors, campers, and first responders who can’t afford downtime. Purpose‑Built Visuals – Easy to read graphics, menus and tables. Effortless Navigation – A clean, touch‑optimized interface means less tapping, more doing. Built for the Way You Use Power High Power Golf Cart Model: Our high-power golf cart version gives you all the torque and performance, with the incredible storage and range of our high efficiency 5.12 kWh. Mobile & Tiny Homes: Monitor loads, conserve watts, and stretch solar harvests. Emergency Backup: Monitor charge status during outages so you’ll always know when to fire up the generator—or when you don’t need to. Recreational Vehicles & Marine: Track performance on rough roads or rolling seas; real-time monitoring helps you fine‑tune your setup for the next trip. Job‑Site Power: Keep crews productive with real‑time current draw and temperature monitoring to prevent unexpected shutdowns. The BigBattery Advantage Pairing premium LiFePO₄ cells with advanced BMS intelligence, Husky 2 packs industry leading safety and our robust US GUARANTEED WARRANTY. Now the Husky 2 is super‑charged by an app that puts every stat in the palm of your hand. From installation to daily operation, you’ll spend less time worrying about power and more time putting it to work.

Screenshots

Overkill Solar4 screens
BigBattery Husky 24 screens

Verdict

The call

The clearest difference is rating: BigBattery Husky 2 at 5.0 against Overkill Solar's 4.8. BigBattery Husky 2 also leads on update cadence (every 5 weeks vs every 4 months). Overkill Solar's advantage is ratings volume (21 vs 2). On price, review sentiment, 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.

ReceptionRating · Positive reviews · Number of ratings

BigBattery Husky 2 holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Overkill Solar has 21 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Overkill Solar ships an update every 4 months, BigBattery Husky 2 every 5 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
Overkill Solar versus BigBattery Husky 2: the parameters behind the verdict, then further details
ParameterOverkill SolarBigBattery Husky 2
PriceFreeFree
Rating4.8 (21 ratings)5.0 (2 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings21 — better2
Update frequencyEvery 4 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.4 — better14.0
Further details — not scored
Size21 MB9 MB
Age rating4+4+
DeveloperOverkill Solar LLCBig Battery

Customer experience

Overkill Solar

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

BigBattery Husky 2

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Overkill Solar

No in-app purchases

None

BigBattery Husky 2

No in-app purchases

Questions

Is Overkill Solar free?
Overkill Solar is free to download, with no in-app purchases.
Is BigBattery Husky 2 free?
BigBattery Husky 2 is free to download, with no in-app purchases.
Which has better reviews, Overkill Solar or BigBattery Husky 2?
BigBattery Husky 2 is rated higher. Overkill Solar averages 4.8 out of 5 from 21 ratings, while BigBattery Husky 2 averages 5.0 from 2 ratings.
Do Overkill Solar or BigBattery Husky 2 have ads?
Neither Overkill Solar nor BigBattery Husky 2 shows ads.
Which is updated more often, Overkill Solar or BigBattery Husky 2?
Overkill Solar ships an update every 4 months, and BigBattery Husky 2 every 5 weeks. Most recently, Overkill Solar was updated on November 3, 2026 and BigBattery Husky 2 on October 30, 2026.

Other comparisons