# TreadRite vs iSeal Calculator

The clearest difference is update cadence: TreadRite at every 4 months against iSeal Calculator's every 14 months. On price, ads, 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.

TreadRite ships an update every 4 months, iSeal Calculator every 14 months. The most recent releases landed on October 10, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | TreadRite | iSeal Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/treadrite/id6473794154/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 14 months |
| Monetization | Free | — |
| Size | 62 MB | 15 MB |
| Requires iOS | 15.5 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BARTEC AUTO ID LIMITED](https://appshunter.io/developer/1508117267) | [Rex Hidle & Associates, LLC](https://appshunter.io/developer/1803845213) |

## What reviewers say

### 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


### iSeal Calculator

[App page](https://appshunter.io/ios/app/iseal-calculator/id6743659133)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TreadRite free?

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

### Is iSeal Calculator free?

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

### Do TreadRite or iSeal Calculator have ads?

Neither TreadRite nor iSeal Calculator shows ads.

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

TreadRite ships an update every 4 months, and iSeal Calculator every 14 months. Most recently, TreadRite was updated on October 10, 2026 and iSeal Calculator on October 28, 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.*