Gear Ratio & Speed Calculator
Gear Ratio & Speed Calculator is an automotive engineering tool for drivetrain simulation and gear ratio planning on iOS and Android.
The App DNA
What makes this app unique?
The app removes the financial and mechanical risk of trial-and-error modifications by allowing users to preview the impact of gear and tire changes before turning a wrench.
For Automotive enthusiasts, track racers, off-road builders, and mechanics requiring precise drivetrain and gear ratio calculations.
What does it look like?
Key features
Side-by-side comparison of current vehicle configurations against potential modifications like tire size, axle ratios, and transmission swaps.
Library of 74 pre-configured transmission gear ratios from major manufacturers like TREMEC, ZF, and Ford.
Full functionality for all calculators and simulators without requiring an active internet connection.
How much does it cost?
The app operates on an ad-supported free model with no current IAP or subscription gates.
Velocity
Active developmentUX improvementsperformanceShow more...
With two releases in the last 21 days, the app maintains an active development cadence of approximately 0.67 releases per week. The latest version focuses on UX improvements and drivetrain calculation engine stability, building upon recent refinements to specific vehicle gear ratios. Development appears stable, with the publisher consistently delivering functional enhancements and performance optimizations. The current trajectory suggests a commitment to refining the core calculation engine and user interface.
Who built it?
HyeongSeok Oh
2 apps tracked · Utilities
FreeDive Ai - Apnea TrainerUser 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 Gear Ratio & Speed Calculator
How's the Utilities market?
Gear Ratio & Speed Calculator occupies a specialized niche in the Utilities category, focusing on technical precision rather than general-purpose automotive content. The absence of public ratings suggests the app is currently in an early adoption phase, requiring a shift toward community-driven growth to establish market presence.
Read the market outlookThe rivals identified
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Access the full report for freeThe Analyst's Read
Key takeaways for Gear Ratio & Speed Calculator
Where is it heading?
Automotive utility tools are increasingly shifting toward community-integrated platforms that allow for custom data sharing. Gear Ratio & Speed Calculator's current focus on offline precision is a strong foundation, but without social-sharing or community-data features, it risks being displaced by web-based tools that offer broader, user-generated datasets.
- The steady release cadence of two updates in three weeks shows active feature investment rather than maintenance mode.
- The lack of public user engagement or ratings suggests the app has yet to penetrate the broader automotive enthusiast market.
The SWOT
- Offline-first architecture ensures utility in remote garage environments
- 74-preset transmission library reduces manual data entry for professional mechanics
- What If? simulator provides visual impact analysis for complex drivetrain swaps
- Localized pricing or premium ad-free tiers for professional users
- Integration of a community-driven database for custom transmission ratios
Next best moves
Ship social sharing for setup simulations because zero reviews exist → increase organic discovery
+ 1 more prioritized moveThe counter-intuitive read
The app's offline-first design is a retention lever…
Read the full takeBottom line
Gear Ratio & Speed Calculator provides a high-utility, offline-first simulation engine that serves as a technical planning tool for automotive builders. The current lack of user engagement signals a need to prioritize discoverability and community-driven content to build a user base.
Unlock 3 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is Gear Ratio & Speed Calculator free to use?
Does Gear Ratio & Speed Calculator require an internet connection?
What vehicles are supported by the transmission presets?
Can I save my vehicle configurations?
Sources
- [1] Developer website, source
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