Comparison

Kilowatt vs K12 Class

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

Head to head
About

Kilowatt

Estimate electric car charging times accurately by selecting your vehicle, charger, and desired battery percentage. Get notified when charging is complete and view estimated range. Supports custom vehicles and chargers.

Highlights
  • Accurate charge time estimates
  • Personalized vehicle garage
  • 300+ vehicle templates
  • Customizable charging goals
  • Estimated range display
  • Custom charger support
  • Dark mode
Features
Read full description

Kilowatt is designed to streamline the process of determining when your electric car will be fully charged and ready to hit the road. While most electric vehicles come with a companion app, figuring out the exact time your battery will be full after connecting the charger can be a daunting task. Kilowatt simplifies this by allowing you to select your car model, charger type, and charging goal, and then notifying you when your battery reaches the desired percentage. The Kilowatt app offers a range of useful features, including: • Quick charge time estimates based on your specific vehicle configuration and charger type • Personal Garage feature - create and customize your own vehicle models with accurate specifications • 300+ vehicle templates to help you get started with popular electric car and motorcycle models • The ability to set charging goals at 80% or 100%, or even choose a custom goal • An estimated range in miles or kilometers, providing insight into your vehicle's potential travel distance • Custom charger support - add any charger type to match your specific charging setup Your Personal Electric Vehicle Garage With Kilowatt's new Garage feature, you're no longer limited to pre-defined vehicle models. Create custom profiles for any electric vehicle by entering the exact specifications - battery capacity, charging curves, and power limits. Whether you drive the latest EV or have a rare electric vehicle, Kilowatt adapts to your specific needs. Use our extensive library of 300+ vehicle templates as starting points, then customize them to match your exact configuration. One of the key features of Kilowatt is its ability to notify users when their charging goal has been reached. The app's time estimates take into account the specific battery charge profile of your vehicle configuration, providing highly accurate charging predictions tailored to your exact setup. Kilowatt also offers a dark mode feature, ensuring a comfortable user experience in various lighting conditions. Moreover, the app prioritizes user privacy by not collecting any personal data and displaying no ads; all information is securely stored on your device. Ideal for current electric car owners or those contemplating a purchase, Kilowatt is an invaluable tool for understanding the charging time of any electric vehicle in different situations. It is the ultimate app for managing your electric vehicle's charging needs, providing you with peace of mind and the freedom to fully enjoy the benefits of sustainable transportation.

About

K12 Class

Facilitates cross-platform screen mirroring and interaction between devices. Enables enhanced interactivity and can be used alongside other collaboration tools.

Highlights
  • Cross-platform connectivity
  • Two-way screen mirroring
  • Enhanced interactivity
  • Simultaneous use with IdeaHub
Read full description

Cross-Platform Connectivity, Two-Way Screen Mirroring, Enhanced Interactivity. Use simultaneously with IdeaHub.

Screenshots

Kilowatt4 screens
K12 Class4 screens

Verdict

The call

The clearest difference is price: K12 Class at Free against Kilowatt's $2.99. K12 Class also leads on iOS requirement (13.0 vs 26.0). On update cadence, ads, in-app purchases and device support 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

K12 Class is free to download; Kilowatt costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Kilowatt ships an update monthly, K12 Class every 2 months. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

Scorecard3 real differences · 7 level
Kilowatt versus K12 Class: the parameters behind the verdict, then further details
ParameterKilowattK12 Class
Price$2.99Free — better
Rating4.4 (18 ratings) — better—
Positive reviews81.0% of reviews—
Number of ratings18 — better—
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.013.0 — better
Further details — not scored
Size18 MB20 MB
Age rating4+4+
DeveloperAutomatique VOFShenZhen Netinfo Technology Co., Ltd.

Customer experience

Kilowatt

All ratings18 ratings
Positive77.8%
Neutral16.7%
Negative5.6%
Written reviews42 reviews
Positive81.0%
Neutral16.7%
Negative2.4%

K12 Class

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Kilowatt

No in-app purchases

None

K12 Class

No in-app purchases

Questions

Is Kilowatt free?
Kilowatt costs $2.99, with no in-app purchases.
Is K12 Class free?
K12 Class is free to download, with no in-app purchases.
Do Kilowatt or K12 Class have ads?
Neither Kilowatt nor K12 Class shows ads.
Which is updated more often, Kilowatt or K12 Class?
Kilowatt ships an update monthly, and K12 Class every 2 months. Most recently, Kilowatt was updated on November 7, 2026 and K12 Class on November 4, 2026.

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