# TireLab vs iSeal Calculator

The clearest difference is price: iSeal Calculator at Free against TireLab's $1.99. iSeal Calculator also leads on iOS requirement (14.0 vs 18.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

iSeal Calculator is free to download; TireLab costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TireLab ships an update every 7 months, iSeal Calculator every 14 months. The most recent releases landed on November 6, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | TireLab | iSeal Calculator |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/tirelab/id349078048/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 68.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 14 months |
| Monetization | Paid | — |
| Size | 1 MB | 15 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Michael Weber](https://appshunter.io/developer/349078052) | [Rex Hidle & Associates, LLC](https://appshunter.io/developer/1803845213) |

## What reviewers say

### TireLab

[App page](https://appshunter.io/ios/app/tirelab/id349078048)

This app helps you compare and visualize different tire and wheel configurations for your vehicle. It calculates key dimensions, checks for fitment issues, and provides technical references. Supports both Imperial and Metric units.

**Highlights:** Compare tire and wheel dimensions, Visualize configurations with cutaway views, Fitment calculator for vehicle compatibility, Technical reference and glossary, Imperial and Metric unit support, Intuitive interface

**Features:** Vision Pro support

**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 TireLab free?

TireLab costs $1.99, with no in-app purchases.

### Is iSeal Calculator free?

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

### Do TireLab or iSeal Calculator have ads?

Neither TireLab nor iSeal Calculator shows ads.

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

TireLab ships an update every 7 months, and iSeal Calculator every 14 months. Most recently, TireLab was updated on November 6, 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.*