Report updated May 20, 2026
Tire Size Fitment
For automotive enthusiasts and vehicle owners performing custom tire or wheel modifications.
Tire Size Fitment is an established utilities app that is completely free. With a 3.5/5 rating from 165 reviews, it shows polarized user reception.
What is Tire Size Fitment?
Tire Size Fitment is a utility app for automotive enthusiasts that calculates tire dimensions and speedometer variance on iOS and Android.
Users hire this tool to visualize the physical and mechanical impact of tire modifications before purchasing, reducing the risk of fitment errors.
Current Momentum
v3.10 · 1w ago
Maintenance- Last major update May 2026.
- Android build stagnant since 2025.
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Visual side-by-side comparison of tire width, radius, diameter, and circumference changes
Calculates vehicle speed variance resulting from modified tire and wheel dimensions
Integrated reference library of major tire brands and specific models
How much does it cost?
- Free with ad support
Monetization relies entirely on ad-inventory generated by utility-based engagement.
Who Built It?
Enrichment in progress
Publisher profile available very soon
What other apps does Nikita Morozov make?
This way
Games
What do users think recently?
Analysis in progress, available soon
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
What is the competitive landscape for Tire Size Fitment?
Where is it available?
Localized markets (1)
How's The Utilities Market?
How does it evolve in the Utilities market?
The app maintains a 4.21 rating on iOS against a 2.4 rating on Android, signaling a platform-specific quality disparity that undermines its utility in the broader automotive tool market.
Rank progression
4 active rankings tracked — 30-day window
The rivals identified
Nemeses(1)
This app competes for the same automotive utility audience by providing essential vehicle metrics and conversion tools that overlap with tire-related calculations.
Contenders(4)
This app serves as a direct functional alternative by bundling various automotive math tools into a single utility suite.
This app competes for the attention of vehicle owners looking for quick technical solutions and automotive code generation.
This app targets the same utility-seeking drivers by offering specialized tire pressure recommendations based on terrain and usage.
Differentiators
- Provides distinct calculation modes for basic versus advanced users to improve accessibility for non-technical drivers.
- Includes terrain-specific optimization features that allow users to adjust pressure based on real-world driving conditions.
This app competes directly in the tire utility space by focusing on pressure calculations and safety optimization for specific vehicle types.
Same space(3)
This app targets vehicle owners interested in telemetry and data management, overlapping with the target app's utility focus.
This app competes for the same automotive utility audience by providing hardware-linked dashcam management and parameter adjustments.
While focused on dashcam hardware, this app competes for the same automotive utility screen time and user base.
Compare Tire Size Fitment against every rival
All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.
The outtake for Tire Size Fitment
Strengths to defend, gaps to attack
Core Strengths
- Visual side-by-side comparison interface
Critical Frictions
- 1.81★ Android-iOS rating gap
Growth Levers
- Industrial/agricultural database expansion
Market Threats
- Professional-grade OEM data integration
What are the next best moves?
Audit Android build stability because of the 1.81★ rating gap → increase Android retention
The rating gap between platforms indicates a specific failure in the Android user experience.
Trade-off: Pause the tire database expansion — stability is the prerequisite for user acquisition.
A counter-intuitive read
The app's hobbyist focus is not a weakness but a moat, as professional-grade tools are too complex for the mass-market casual modifiers who drive the bulk of ad-inventory revenue.
Feature Gaps vs Competitors
- OEM repair data integration (available in ALLDATA)
- ELD compliance logging (available in Blue Ink Tech)
Key Takeaways
Tire Size Fitment provides a functional visualization tool for casual modifiers, but the significant Android rating gap and lack of professional-grade technical data limit its growth, so the PM should prioritize a stability audit on Android to stabilize the user base.
Where Is It Heading?
Mixed Signals
The automotive utility market is consolidating around professional-grade repair tools that offer integrated diagnostic data, leaving general-purpose calculators exposed. Tire Size Fitment must address its Android performance issues to maintain its current user base, as the lack of technical depth prevents it from competing for the high-value professional segment.
The Android rating gap (1.81★) indicates technical debt that erodes trust, which will likely accelerate churn among non-iOS users.
Recent updates focus on maintenance rather than feature expansion, suggesting the app is in a defensive posture against professional-grade competitors.