Calculate tire and wheel fitment for your vehicle. This app helps you understand tire stretch, rolling radius, and speedometer error. It also allows for multiple wheel comparisons and saving results as images.





249+ iOS apps curated and reviewed
If you already know Tire Size Fitment, this is the deeper bench. 249+ tire size fitment apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 4.2★ (97) | No | Yes | Jul 2026 | |
| 2 | Free | 1.1★ (7) | No | No | Sep 2026 | |
| 3 | Free | 4.8★ (60) | Yes | No | May 2026 | |
| 4 | Free | 4.6★ (58) | No | Yes | Aug 2026 | |
| 5 | Free | — | No | Yes | Jul 2026 | |
| 6 | Free | — | No | No | May 2026 | |
| 7 | Free | — | — | No | Aug 2026 | |
| 8 | $1.99 | — | No | No | Aug 2026 |





Calculate tire and wheel fitment for your vehicle. This app helps you understand tire stretch, rolling radius, and speedometer error. It also allows for multiple wheel comparisons and saving results as images.



Calculate and compare tire sizes for your vehicle. This tool helps you understand the impact of different tire dimensions on performance and ensures your speedometer remains accurate after upgrades. It's designed for automotive enthusiasts and anyone looking to optimize their vehicle's setup.






Access a comprehensive database for vehicle wheel and tire fitment information. Find OE and aftermarket options, including plus-minus sizing, for over 110 car makes and 3800+ models. Data is updated daily and covers vehicles manufactured since 2000 with nearly 100% accuracy.


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.












Easily compare tire and wheel specifications for upgrades. Calculate equivalent sprung weight differences and get safe, performance-enhancing recommendations. Supports both Imperial and Metric units.


Shop for a vast selection of tires and wheels for various vehicles. Visualize how new wheels look on your car before purchasing and discover current deals and promotions. Easily locate and contact nearby stores, and manage your credit card account.


Easily compare the specifications of two tires before purchasing. Calculate differences in diameter, width, sidewall, circumference, and revolutions per mile. Includes visual illustrations and speedometer adjustments for different tire sizes.


This event guide provides comprehensive information for attendees of a major tire and rim trade fair. Discover exhibitors, products, plan your visit with scheduling tools, and network with industry professionals. Receive real-time updates and manage your contacts efficiently.














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.