Best iVSP alternatives: apps like iVSP

Flags! - Maritime signal flags

Nautical quiz & morse code

$0.99

This app provides a comprehensive reference for all International Maritime Signal Flags, including letters, numbers, and substitutes. It features interactive quizzes to test your knowledge and offers Morse code examples.

Propeller Calc

by Frode Rørvik

Free

This utility calculates propeller performance metrics like pitch, gear ratio, RPM, slip, and speed. Input any four values, and the app computes the fifth, helping users understand the relationship between propeller design and boat performance.

International Steam Tables

by Hans-Joachim Kretzschmar

$2.99

This application calculates thermodynamic properties of water and steam based on the IAPWS-IF97 formulation. It allows users to input various combinations of variables and automatically computes a wide range of properties, including transport properties and derivatives. Designed for students and engineers, it offers a comprehensive tool for thermodynamic calculations.

RocControl

by Rob Versluis

Free

Control your digital model railroad layouts remotely. Manage locomotives, switches, and signals, and set trains to run automatically. Connect to a Rocrail server to operate your entire layout from your mobile device.

Solartelligent: Solar Planner

PV Yield, Shade & AR Sun Paths

$12.99

Plan and simulate solar energy systems with advanced tools for homeowners and professionals. Analyze solar potential, predict output and savings, and visualize installations using augmented reality. Generate detailed project reports for confident decision-making.