Comparison

Kilowatt vs CMS Engineer

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

CMS Engineer

Features
Read full description

The Engineer app allows engineers to complete and commission installs and service calls for Connected Management Services.

Screenshots

Kilowatt4 screens
CMS Engineer4 screens

Verdict

The call

The clearest difference is price: CMS Engineer at Free against Kilowatt's $2.99. CMS Engineer also leads on iOS requirement (13.4 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

CMS Engineer 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

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
Kilowatt versus CMS Engineer: the parameters behind the verdict, then further details
ParameterKilowattCMS Engineer
Price$2.99Free — better
Rating4.4 (18 ratings) — better—
Positive reviews81.0% of reviews—
Number of ratings18 — better—
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPod
Requires iOS26.013.4 — better
Further details — not scored
Size18 MB36 MB
Age rating4+4+
DeveloperAutomatique VOFCMS SupaTrak Ltd

In-app purchases

None

Kilowatt

No in-app purchases

None

CMS Engineer

No in-app purchases

Questions

Is Kilowatt free?
Kilowatt costs $2.99, with no in-app purchases.
Is CMS Engineer free?
CMS Engineer is free to download, with no in-app purchases.
Do Kilowatt or CMS Engineer have ads?
Neither Kilowatt nor CMS Engineer shows ads.
Which is updated more often, Kilowatt or CMS Engineer?
Kilowatt ships an update monthly, and CMS Engineer monthly. Most recently, Kilowatt was updated on November 3, 2026 and CMS Engineer on October 30, 2026.

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