Apps Like Castella for iPhone and iPad
Ranked alternatives
Showing 921–940 of 1,000 ranked alternatives.



Resonance
Benjamin Probett
Analyze vibrations with FFT
Vibration analysis tool for real-time data collection using phone accelerometer. Perform frequency analysis with Fast Fourier Transformation. Assess floor serviceability, measure structural periods, and diagnose vibration issues.








Drilling Hydraulics (Basic)
Carlos Moura
Calculate mud properties and gradients
Calculate hydraulic parameters for oil well . Input unit systems and decimal settings. Perform capacity and volume calculations. Determine mud properties, pressure gradients, and hydrostatic pressure. Compute mud pump output and friction losses.







MetaCam Go
广 蔡
Scan, connect, and manage projects
Scan and manage 3D data with real-time point cloud preview. Connect devices, upgrade firmware, and configure RTK accounts. Record and playback scans. Manage projects and adjust parameters. Control capture settings and view data accurately.


Magic Calculator
Yann Armelin
Type calculations like a text editor.
The app allows users to type calculations line by line like a text editor. Results update instantly as values or formulas change, making calculations visible and structured.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.