Apps Like Kello for iPhone and iPad
Analyze mechanical watch precision audibly.
The app analyzes mechanical watch precision by measuring the acoustic energy released as a "tick-tock" sound. It compares this sound against the iOS system clock to display timekeeping differences.
Kello screenshots
Ranked alternatives
Showing 441–460 of 1,000 ranked alternatives.


iFunctionGenerator
Black Cat Systems
Audio function generator for mobile devices.
The app transforms a mobile device into an audio function generator. It allows for multiple generators with independent control over frequency, wave type, volume, and phase for precise audio output.

EQ Trainer
Wilson Desimini
Train ears with frequency bands
Helps users identify specific frequency ranges through Sine wave or Pink Noise playback. Users adjust equalization settings to match target frequencies. Track progress with built-in exercises and feedback.


Horolog
Eric Kunz
Log watches, track rotation, manage collection
Log daily watch usage by selecting a date and choosing your watch. Track multiple watches per day. View statistics like streaks and top-worn pieces. Manage a watch collection with photos, notes, and tags. Import data from CSV files.







NASCO Service Center
Bluerayws LLC
Schedule appointments and track repair progress
Book maintenance appointments for various services. View new offers and promotions. Ask experts questions. Locate centers. Track history. Request quotes for repairs. Schedule inspections and maintenance reminders.







M9 Scientific Calculator Graph
Himanshu Nag
Edit equations, functions, calculate measurements
Perform advanced calculations with formula editing and recalculation. Generate graphs for complex equations. Support for engineering and computations. Includes graphing capabilities for mathematical functions.

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