Apps Like Nautlius: STEM Toolbox for iPhone and iPad
Ranked alternatives
Showing 21–40 of 1,000 ranked alternatives.
Calculator Pro Lite
Cider Software LLC
Customize themes and buttons
Customize appearance with themes, button shapes, and colors. Choose from six layouts and control all visual elements. View input and result simultaneously on dual-line display. Adjust settings for precise calculations.
Unit Converter | Converter4U
VisTech.Projects LLC
Convert units between categories seamlessly
Convert units across categories like length, area, and temperature. Perform simultaneous conversions and customize preferences. Copy converted values to the clipboard for quick use.
Physics Toolbox Sensor Suite
Chrystian Vieyra
Measure, record, and analyze data
Measure acceleration, orientation, and motion with built-in sensors. Record and analyze real-time data for experiments. Detect and generate sound tones. Visualize audio waveforms. Export measurements and graphs for scientific use.
AI QuickSolver
Kison Kristian Larry
Calculate, scan, and solve math problems
Unit and currency converter for quick conversions. Solve math problems with handwriting recognition. Calculate BMI, date intervals, and basic data. Analyze equations and perform photo-based problem searches.
Electrician Handbook — Basics
Sergey Vavaev
Access theory, diagrams, and calculators offline
’s provides access to electrical theory topics, including exercises with answers. Features interactive diagrams for hands-on learning. Includes calculators and formulas for electrical calculations. Works offline without ads or subscriptions.
Calculator - Unit Converter
TOWER OF HANOI SOFTWARE COMPANY LIMITED
Calculate and convert units
Perform basic and advanced calculations including addition, subtraction, multiplication, division, and exponents. Convert units between degrees, radians, and grads. Switch between standard and scientific modes.
Copeland Mobile
Copeland LP
Access product specs and details anytime
Access product specifications for air conditioning and refrigeration equipment. Search by model number, view detailed technical data, and download documentation. Login with existing OPI credentials or create a new account.
Calc Pro HD - Top Calculator!
Panoramic Software Inc.
Calculate, edit, and track financial data
Perform complex calculations with 10 financial worksheets and 10 calculators. Switch between landscape and portrait modes. View results in decimal, fraction, or percentage formats. Save and recall previous calculations. Export data as text or PDF.
Toolbox™
Tue Nguyen Minh
Edit files, manage data, and organize tasks
Manage files with drag-and-drop organization. Access a flashlight with adjustable brightness. Use a calculator, note taker, and screen recorder. Includes calendar, timer, and widget tools. Sync data across devices.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.