Apps Like Castella for iPhone and iPad
Ranked alternatives
Showing 221–240 of 1,000 ranked alternatives.
States of Matter by Tinybop
Tinybop Inc.
Explore of through experiments
Explore of by simulating freezing soda, popping popcorn, and melting gold. Adjust temperature to observe changes in substances. Answer questions about melting and phase transitions. Sync with Apple Health.
Fluid Mechanics Pack
V PUGAZHENTHI
Calculate properties and convert units
Offers 97 calculators and 28 converters for , civil engineering, and structural engineering. Users can calculate pressure, forces, and absolute pressure. Switch between USCS and SI units.
RF-Toolbox Pro
Marcus Roskosch
Calculate, analyze, and design circuits
Calculate impedance and transmission line parameters. Analyze signal integrity and loss. Convert between frequency units. Simulate circuits. Calculate antenna parameters and resonance frequencies. Perform S-parameter calculations.
AirPro: BTU Calculator
Igor Ilijovski
Find unit size, view costs, track energy
Calculate heating and cooling requirements based on room size and climate data. Estimate monthly energy costs and consumption. Set custom temperature schedules and adjust base temperatures. Compare different system types for installation.
Goodyear SmartTech
Goodyear Tire & Rubber Company
Track service calls and update fleet status
Track vehicle maintenance records and service history. Schedule and manage service appointments. Receive real-time updates on service status. Share diagnostic data with technicians. Access fleet management tools and repair guides.
Aqua Box
Raynald Im
Manage aquariums and ponds with ease
Manage aquarium and pond care with task reminders and notifications on iPhone and Apple Watch. Track water parameters, log feeding schedules, and view maintenance history. Sync data across devices and receive alerts for routine tasks.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.