Wheel Size is a technical reference app for automotive wheel and tire fitment data, available on iOS.
Product velocity
Maintenance
Daily rank 🇺🇸
—
Utilities
Sentiment
4.8
60 reviews
Nemesis
OBD2 Pro Check Engine Car DTC
The App DNA
What makes this app unique?
Users hire the app to verify technical compatibility for aftermarket vehicle modifications, replacing manual research with a verified, daily-updated database.
For Automotive enthusiasts, professional mechanics, and vehicle owners researching tire and rim compatibility for aftermarket upgrades.
What does it look like?
Key features
Lookup tool for wheel and tire specifications covering 110 car makes and 3800 models across 12 global markets.
Local storage of recent vehicle searches and user-defined favorites for access without an active data connection.
Display of detailed vehicle data including bolt patterns, center bore, torque settings, and tire pressure.
Search functionality allowing users to find vehicles based on specific tire or wheel parameters.
How much does it cost?
The app operates as a free utility, likely serving as a lead generation or traffic driver for the Wheel-Size.com web property.
Velocity
Maintenance developmentUX improvementsShow more...
The app has shipped only one release in the last 97 days, resulting in a cadence of approximately 0.07 releases per week. This falls into the maintenance tier, as there has been no development activity since the mid-February update. The latest release focused on search parameter optimizations, but the lack of subsequent updates indicates a low-frequency maintenance cycle.
Who built it?
User Sentiment
What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for Wheel Size
How's the Utilities market?
Wheel Size maintains a 4.75 rating on the iOS platform with 60 ratings, establishing a high-trust baseline for niche technical utilities. The lack of a paid tier signals that the app prioritizes traffic volume to the parent web property over direct mobile monetization.
Read the market outlookThe rivals identified
By Trent Applications
This app competes for the same automotive DIY audience by providing diagnostic data that complements wheel fitment, capturing users during the vehicle maintenance lifecycle.
- Integrates repair information directly with fault codes, providing actionable solutions rather than just raw data
- Features a pop-up acronym explainer that simplifies complex automotive jargon for non-professional car owners
- Maintains a massive user base with over 2,000 ratings, creating a strong social proof barrier to entry
Unlock the head-to-head verdict: where this rival wins, and where it loses.
Access the full report for freeThe Analyst's Read
Key takeaways for Wheel Size
Where is it heading?
The automotive utility market is shifting toward conversational, AI-driven diagnostic tools that provide actionable solutions rather than raw data. Wheel Size remains advantaged by its deep, verified database, but it must evolve beyond static lookups to avoid losing power users to AI-native competitors.
- Daily database updates ensure the app remains the most accurate reference tool, which sustains high user trust and retention.
- The emergence of AI-first diagnostic tools threatens to shift user preference toward conversational interfaces, potentially rendering static database lookups obsolete.
The SWOT
- Global fitment database covers 110 makes and 3800 models, creating a high barrier to entry for manual data collection.
- Daily update cadence ensures technical accuracy for aftermarket upgrades, sustaining user trust.
- Integrate speedometer error calculators to match the feature set of direct competitors like Tire Size Fitment.
- Develop conversational AI chat for technical queries to neutralize the threat from Car Aide AI.
Next best moves
Integrate speedometer error calculator because it is a key feature gap vs Tire Size Fitment → increase feature parity.
+ 1 more prioritized moveThe counter-intuitive read
The app's status as a free, ad-free utility is its primary defensive moat…
Read the full takeFeature gaps
Speedometer error calculator (available in Tire Size Fitment) +1
Since the last report: The report adds a formal competitive landscape and updates the SWOT analysis to address the threat of AI-driven diagnostic tools.
Bottom line
Wheel Size maintains a strong technical authority through its comprehensive database, but it faces an existential risk from AI-first diagnostic tools that offer actionable advice, so the PM should prioritize adding value-add calculators to defend against feature-parity erosion.
Unlock 2 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.
Access the full report for freeReport last updated