# Design Materials vs Tyre Dimensions

The clearest difference is review sentiment: Tyre Dimensions at 100% against Design Materials's 33%. Tyre Dimensions also leads on in-app purchases (none vs 3) and iOS requirement (12.4 vs 18.6). Design Materials's advantage is price (Free vs $0.99). On update cadence, ads and device support there is nothing between them.

Design Materials is free to download; Tyre Dimensions costs $0.99 up front. Design Materials sells 3 in-app purchases, starting at $7.99 per month. Tyre Dimensions asks for nothing beyond the download.

Design Materials ships an update every 3 months, Tyre Dimensions every 2 months. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Design Materials | Tyre Dimensions |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/design-materials/id975764691/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 28 MB | 1 MB |
| Requires iOS | 18.6 | **12.4** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chrystian Enriquez](https://appshunter.io/developer/428286625) | [Stefan Kempf](https://appshunter.io/developer/1355355865) |

## What reviewers say

### Design Materials

[App page](https://appshunter.io/ios/app/design-materials/id975764691)

This app serves as an offline reference guide for various design materials, including polymers and metals. It allows users to manage their own material data, view 3D models, and capture objects with their device's camera. Ideal for professionals and hobbyists involved in product design and 3D printing.

**Highlights:** Offline material reference guide, Custom material and resin management, 3D model viewer and import/export, Object capture via device camera, Favorites and notes section, Cross-device compatibility (iOS, macOS)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bronze member | $7.99 | per month |
| Silver member | $17.99 | per 3 months |
| Gold member | $49.99 | per year |


### Tyre Dimensions

[App page](https://appshunter.io/ios/app/tyre-dimensions/id1355355866)

This app calculates key dimensions for passenger car tires and rims based on E.T.R.T.O. standards. It offers a comparison mode for two tires and allows data export for documentation. Includes speed symbols and load index information.

**Highlights:** Calculates tire and rim dimensions, Tyre comparison mode, Displays dimensions in table or drawing, Exports data as CSV, Shares data via AirDrop, email, iMessage, Includes speed symbols and load index

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

**In-app purchases:** none


## Frequently asked questions

### Is Design Materials free?

Design Materials is free to download, with in-app purchases available.

### Is Tyre Dimensions free?

Tyre Dimensions costs $0.99, with no in-app purchases.

### Do Design Materials or Tyre Dimensions have ads?

Neither Design Materials nor Tyre Dimensions shows ads.

### Which is updated more often, Design Materials or Tyre Dimensions?

Design Materials ships an update every 3 months, and Tyre Dimensions every 2 months. Most recently, Design Materials was updated on October 2, 2026 and Tyre Dimensions on October 8, 2026.

---

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