Apps Like Chain & Sprocket Calculator for iPhone and iPad
Calculate and ratios
Calculate gear ratios and speeds by entering teeth. Determine length and tension. Select sizes and types. Export calculations as PDF or image. Compare setups for efficiency.
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.
Image Size
Vitalij Schaefer
Resize images in pixels, millimeters, centimeters,
Resize images by specifying dimensions in pixels, millimeters, centimeters, or inches. Maintain aspect ratio by linking width and height fields. Save, email, print, or share the resized .
Gear Ratio Calculator 2
ABT Co Ltd
Calculate ratios and visualize speed-cadence graphs
Calculate ratios for bicycles with external gearboxes. Input chainwheel, sprocket, and tire sizes to generate speed-cadence and graphs. Simulate optimal ratios by toggling display settings for outer and inner gears.
Gear Speed - Brushless RC Speed Calculator
Jason Johnson
Calculate , store setups, add notes
Calculates , RPM, final drive ratio, and rollout in inches and millimeters. Stores setups and notes. Allows emailing of data for record keeping. Input pinion and spur sizes for calculations.
Smart Printer App:Print & Scan
Guangzhou Pando Technology Co., Ltd.
Connect and print from any device
Connect to and manage wireless printers from over 10000 models. Print documents and images directly from mobile devices. Automatically detect printers and establish connections without manual driver installation.
Air Horn & Fart Sounds Prank
振山 董
Play sound effects and trigger pranks
Select a sound effect from 70+ options including air , police siren, and zombie noises. Long press to trigger the sound. Play the selected sound to surprise others. Share the via social media or messaging.
DEX Screener
DEX Screener, Inc.
Track token prices and on-chain trades
Track real-time price, volume, and on-chain trades across multiple decentralized exchanges. Monitor unlimited watchlists and set unlimited price alerts. Customize screeners to filter and analyze token data for investment decisions.
CNC Machinist Calculator Pro
Shane Anderson
Calculate tool offsets and feed rates
Calculate turning operations with spindle speed, feed rate, and tool engagement angle inputs. Determine cutting time and material removal rates. Convert imperial to metric units. Store and recall frequently used settings.
How we rank alternatives
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