# Tire Sizes vs SeamTec

The clearest difference is in-app purchases: SeamTec at none against Tire Sizes's 1. SeamTec also leads on update cadence (every 4 days vs every 6 weeks) and iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Tire Sizes sells 1 one-off in-app purchase. SeamTec asks for nothing beyond the download.

Tire Sizes ships an update every 6 weeks, SeamTec every 4 days. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Tire Sizes | SeamTec |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (58 ratings)](https://appshunter.io/ios/app/tire-sizes/id6743722834/reviews)** | — |
| Number of ratings | **58** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 17 MB | 23 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zaven Hovhannisyan](https://appshunter.io/developer/1804196073) | [jose fernando vargas](https://appshunter.io/developer/1835774382) |

## What reviewers say

### Tire Sizes

[App page](https://appshunter.io/ios/app/tire-sizes/id6743722834)

Find essential tire dimensions and receive suggestions for new tire sizes. Compare wheels visually and by specifications like offset and width. Discover factory tire sizes for your car and compare motorcycle tires across different measurement systems.

**Highlights:** Tire dimension calculations, New tire size suggestions, Wheel comparison (visual and specs), Offset and width comparison, Motorcycle tire comparison, Factory tire size lookup

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


### SeamTec

[App page](https://appshunter.io/ios/app/seamtec/id6751552723)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tire Sizes free?

Tire Sizes is free to download, with in-app purchases available.

### Is SeamTec free?

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

### Do Tire Sizes or SeamTec have ads?

Neither Tire Sizes nor SeamTec shows ads.

### Which is updated more often, Tire Sizes or SeamTec?

Tire Sizes ships an update every 6 weeks, and SeamTec every 4 days. Most recently, Tire Sizes was updated on October 9, 2026 and SeamTec on October 14, 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.*