# Kilowatt vs CMS Engineer

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.

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.

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

## The numbers

| Metric | Kilowatt | CMS Engineer |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.4 (18 ratings)](https://appshunter.io/ios/app/kilowatt-electric-car-timer/id1502312657/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 81.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Paid | — |
| Size | 18 MB | 36 MB |
| Requires iOS | 26.0 | **13.4** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Automatique VOF](https://appshunter.io/developer/304849847) | [CMS SupaTrak Ltd](https://appshunter.io/developer/1565174937) |

## What reviewers say

### Kilowatt

[App page](https://appshunter.io/ios/app/kilowatt-electric-car-timer/id1502312657)

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:** iPhone Duo support

**In-app purchases:** none


### CMS Engineer

[App page](https://appshunter.io/ios/app/cms-engineer/id1617242346)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*