Apps Like Engine RPM for iPhone and iPad
Analyze sound to calculate RPM
Measure by analyzing sound input. Select cylinder count and type. Calculate RPM using signal processing. Display real-time RPM values. Save and share measurement data.
Engine RPM screenshots
Ranked alternatives
Showing 161–180 of 1,000 ranked alternatives.


Gear Ratio Calculator Lite
ABT Co Ltd
Calculate bike gear ratios and speed.
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.






HVAC & Sheet Metal Calculator
Calculated Industries, Inc.
Calculate duct offsets and angles
Performs X, Y, R radius calculations and theta measurements. It includes -specific functions for ducting offsets and angle computations. Features dimensional math, geometry, and trigonometry tools for precise construction calculations.

Zipym Pro
Beijing Yima Network Technology Co., Ltd.
Archive files and manage your data
Compress and decompress files into formats like ZIP, 7z, RAR, and TAR. Extract multi-part archives and password-protected files. Split files into parts and add passwords. Manage files with built-in file manager. Supports VoiceOver for accessibility.





Konvert
Inbo Tasarim ve Danismanlik LTD
Convert units with custom categories
Convert units across 24 categories with hundreds of options. Adjust category order and view last conversion via Today widget. Copy results with 3D Touch. Convert as you type. Includes currency converter shortcut.



How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.