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v3.0.3

GripGuide

Match tires to your track

Pick a track condition first — skill tailors the results to how demanding that surface is.
Loading tires...
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Submit New Tire

Tap to select conditions...
Select the track conditions this tire works best on

📝 Changelog

v2.5.1 DEV
2026-04-10
Brand filter: Show/Hide brands in Settings. Brand logos display in header when a single brand is selected. Header redesigned with title inline alongside version and buttons. Buttons stacked vertically for more logo room.
v2.4.0 DEV
2026-04-10
Track Log: Added race session logging with shared track database, brand/tread/compound dropdowns, star ratings, and community track history. Compound guide mobile view redesigned to show brands first with full temp ranges. Beta key system removed — site is now open access. Raw Speed compound data added with official temp ranges. Brand visibility filter in Settings — hide brands you don't use. Brand logos display in header when a single brand is selected. Header redesigned — title inline with version and buttons for a more compact layout.
v2.3.1 DEV
2026-03-23
Device Sync: Added anonymous device ID system. Favorites now sync to the server automatically and persist across sessions. Link multiple devices to share the same favorites. Device ID can also be used in place of a beta key to access the app.
v2.3.0 DEV
2026-03-16
New Features: Added real-time tire name/brand search box with clear button. Added per-tire Favorites system (❤️ button on each card) stored in localStorage, with a Favorites filter button to show only saved tires.
v2.2.6 BETA
2026-03-14
UX: Added a one-time "What's New" popup on app load to inform users of the v2.2.5 beta key upgrade. Popup shows once per user and is dismissed with "Got it!"
v2.2.5 BETA
2026-03-14
Beta Key Enhancement: Replaced single-use key system with device fingerprint authentication. Each key now supports up to 2 devices (e.g. phone + computer). A hashed device fingerprint is used — no personal data is collected or stored.
v2.2.4 BETA
2026-03-09
PWA Enhancement: Added full Progressive Web App support with manifest.json. App can now be installed on devices (Android, iOS, Desktop) and will appear as a standalone app with custom icon. Added Apple-specific PWA meta tags for iOS compatibility.
v2.2.3 BETA
2026-03-08
Bug Fix: Fixed data arrays not being cleared before reloading, which caused duplicates when using pull-to-refresh. Now properly clears surfaceConditions, tiresData, and allBrands arrays before loading new data.
v2.2.2 BETA
2026-03-08
Critical Bug Fix: Fixed track surface conditions duplicating on scroll/refresh. Removed the scroll hint feature that was causing the duplication issue. The populateFilters function now properly clears existing items before adding new ones.
v2.2.1 BETA
2026-03-08
Bug Fix: Fixed swipe gestures not working on mobile carousel. Touch handlers now properly attached to carousel container to capture all swipe events on tire images and content.
v2.2.0 BETA
2026-03-08
Mobile Enhancements: Added skeleton loading screens with shimmer animation for better perceived performance. Implemented pull-to-refresh gesture on mobile devices - pull down at the top of the page to reload tire data. Both features provide a more native app-like experience.
v2.1.0 BETA
2026-03-08
Mobile Enhancement: Added swipe gestures for navigating between tires on all devices. Swipe left for next tire, swipe right for previous tire. Works on both mobile carousel and desktop expanded view.
v2.0.0 BETA
2026-03-08
Quality of Life Improvements: Wider content on large screens (1600px), keyboard navigation (arrow keys + ESC), tablet-optimized layout with 3-column grid, larger touch targets for tablets, 3-column filter layout on desktop, and improved responsive breakpoints for better experience across all devices.
v1.3.1
2026-03-08
UI Improvement: Shortened "Track Temperature" to "Track Temp" throughout the interface for better mobile display and cleaner UI.
v1.3.0
2026-03-08
Track Temp Clarification: Updated all temperature references to specify "Track Temp" instead of generic "Temperature". Added comprehensive tire conditions analysis identifying missing compatibility data.
v1.2.9
2025-03-05
Added Matrix tire brand with 5 tire models and 9 compound options. Improved automatic data handling for missing tire information.
v1.2.8
2025-02-25
Added offline mode toggle - switch between live data and cached offline mode
v1.2.7
2025-02-23
Added offline support with Service Worker - app works without internet
v1.2.6
2025-02-23
Added disclaimer modal on page load (OK to continue, Cancel redirects to Google)
v1.2.5
2025-02-23
Scroll hint now only appears on mobile devices
v1.2.4
2025-02-23
Changed retired tires to show with "RETIRED" watermark instead of being excluded
v1.2.3
2025-02-23
Added support for retired column - tires marked with X are excluded
v1.2.2
2025-02-23
Added scroll indicator and gradient fade to track conditions on mobile
v1.2.1
2025-02-23
Changed track conditions from checkboxes to clickable tag buttons

📊 Compound Comparison Guide

Category AKA Hot Race JConcepts Jetko Matrix OGO Pro-Line Pro-Motion Raw Speed TZO

⚙️ Settings

Sync your favorites and settings across devices. Accounts are optional.

Switch to offline mode when you have poor connectivity.
Hidden brands won't appear in results or the brand dropdown.
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📋 View Submissions
❓ Help & User Guide

Your device ID is anonymous. Accounts are optional — email is only used for password resets.

📍 Track Log

Group by:

Loading your race logs...

Track not listed? + Add one
Tap to select conditions...
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Photos will be resized automatically.

Loading tracks...

⚠️ Disclaimer & Terms of Use

Please read carefully before using this application:

1. Informational Purposes Only: This web application is provided for informational and reference purposes only. All tire recommendations, compound data, and surface condition information are suggestions based on collected data and should not be considered professional advice.

2. No Liability: The developer assumes no responsibility or liability for any decisions made, actions taken, or results obtained from using this application. Use of this information is entirely at your own risk.

3. Accuracy of Information: While efforts are made to maintain accurate data, information is only accurate as of the time it was collected. Tire specifications, compounds, and availability may change without notice. Always verify information with manufacturers.

4. Intellectual Property: All tire brand names, product names, trademarks, and images are the property of their respective owners. This application does not claim ownership of any brand names, logos, or product images. All trademarks and copyrights belong to their respective companies.

5. Third-Party Content: Product images and specifications are sourced from manufacturers and public sources. If you are a rights holder and believe content should be removed, please contact the developer.

6. No Warranty: This application is provided "as is" without any warranties, express or implied, including but not limited to warranties of accuracy, completeness, or fitness for a particular purpose.

By clicking "OK - I Agree," you acknowledge that you have read, understood, and agree to these terms. If you do not agree, click "Cancel" to exit.