The app calculates final drive ratio and rollout for radio control cars. Users can select cars by manufacturer and model, inputting pinion and spur gear sizes.
by David Mills★ 4.525 ratingsSports$2.99Data updated 2026-09-19
Manage and share RC car setups with customizable categories and notes. Organize multiple setups, adjust settings, and view details. Export configurations and compare setups side-by-side. Collaborate by sharing setups publicly or privately.
Play racing games with 34 realistic tracks and dynamic weather. Compete in single races, quick races, or championships. Participate in qualifying sessions with up to 22 cars. Customize cars and driver names. Include pit stops for repairs and setup.
The app calculates gear ratios for road bikes and mountain bikes. It simulates optimal gear ratios by displaying graphs of gear ratio and speed-cadence, allowing users to choose replacement parts.
The app allows players to battle and compete in underground drift events based on various world locations. It features 21 sports cars, high-end 3D graphics, realistic controls, and a multiplayer mode.
Play a combat car racing game with shooting mechanics. Unlock new vehicles and special abilities. Engage in boss battles and complete missions. Race on highways and compete against opponents.
Play games with endless tracks and time-based challenges. Compete against others on global leaderboards. Race in real-time with up to four players across platforms. Customize gameplay with drafting mechanics. Share high scores and track progress.
Drive through a large open-world city, collect and switch between various super cars. Perform precise parking, race on checkpoint tracks, or drift on streets. Experience realistic physics, stunning graphics, and dynamic environments.
Calculate ratios for chainrings 44–70 teeth and cogs 8–20 teeth. Determine speed and cadence based on selection. Find the next higher or lower available in your current setup. Sync data between iPhone and Apple Watch.
The app calculates the oil to fuel ratio for two-stroke engines. It determines the amount of oil to add to fuel based on the engine manufacturer's suggested ratio.
Play by tapping to and selecting difficulty levels. Unlock new cars and compete on increasing challenge settings. Track progress and replay sessions for continuous gameplay.
Drive a car by tapping to move. Avoid collisions with other vehicles. Complete levels by navigating through obstacles. Track progress through multiple stages. Unlock new tracks and vehicles. Compete for high scores.