# kVA Calculator vs TreadRite

The clearest difference is rating: kVA Calculator at 4.4 against TreadRite's 3.0. kVA Calculator also leads on review sentiment (42% vs 0%) and ratings volume (11 vs 2). TreadRite's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

kVA Calculator holds the better App Store score, 4.4 against 3.0. That said, the two scores are not equally well evidenced: kVA Calculator has 11 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 42% of kVA Calculator's written reviews are positive against 0% of TreadRite's.

kVA Calculator ships an update every 6 months, TreadRite every 4 months. The most recent releases landed on August 24, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | kVA Calculator | TreadRite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (11 ratings)](https://appshunter.io/ios/app/kva-calculator/id467407057/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/treadrite/id6473794154/reviews) |
| Number of ratings | **11** | 2 |
| Positive reviews | **41.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 4 months** |
| Monetization | Ad-supported | **Free** |
| Size | 10 MB | 62 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pro Certs Software Ltd](https://appshunter.io/developer/444429696) | [BARTEC AUTO ID LIMITED](https://appshunter.io/developer/1508117267) |

## What reviewers say

### kVA Calculator

[App page](https://appshunter.io/ios/app/kva-calculator/id467407057)

Easily calculate and convert electrical values like kVA, kW, Amps, Volts, and Power Factor. Supports both single and three-phase calculations for engineers working with power systems.

**Highlights:** Calculate kVA, kW, Amps, Volts, Power Factor, Single Phase Calculations, Three Phase Calculations, Convert between electrical units, Intuitive input for two values to find the third

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

**In-app purchases:** none


### TreadRite

[App page](https://appshunter.io/ios/app/treadrite/id6473794154)

This app connects to a specialized tool to provide accurate tire tread depth measurements and identify wear patterns. It allows for capturing supplemental vehicle and tire information, recording tire damage with images, and generating shareable inspection reports for various vehicle types.

**Highlights:** Connect and control Bartec Tread-Rite inspection tool, Display accurate tread measurements, Identify tire wear patterns, Capture supplemental vehicle and tire information, Record tire damage with images, Share inspection reports

**In-app purchases:** none


## Frequently asked questions

### Is kVA Calculator free?

kVA Calculator is free to download, with no in-app purchases.

### Is TreadRite free?

TreadRite is free to download, with no in-app purchases.

### Which has better reviews, kVA Calculator or TreadRite?

kVA Calculator is rated higher. kVA Calculator averages 4.4 out of 5 from 11 ratings, while TreadRite averages 3.0 from 2 ratings.

### Do kVA Calculator or TreadRite have ads?

kVA Calculator shows ads; TreadRite does not.

### Which is updated more often, kVA Calculator or TreadRite?

kVA Calculator ships an update every 6 months, and TreadRite every 4 months. Most recently, kVA Calculator was updated on August 24, 2026 and TreadRite on June 10, 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.*