Explore stars, zoom, and navigate the sky
View the night sky from any location and time. Rotate and zoom the star chart using multi-touch gestures. Identify over 16,000 stars with names for 254. Simulate atmospheric distortion and twinkling effects.
Showing 501–520 of 1,000 ranked alternatives.
XPRTIS INC.
Trade stocks with real-time data
Simulate stock market trading with real-time data. Learn 15 investment strategies. Compete with others. Track portfolio performance. View historical data and analytics. Set trading goals and monitor progress.
Sean Flanagan
Track with realistic indicator
Displays a photorealistic -style indicator with both analog and digital readouts. Users can toggle rotation lock, simulate the instrument indoors, and view improved graphics. Supports latest iOS versions and includes bug fixes.
PICxPIC, Inc.
Jump and climb the trees.
The app is a lighthearted game with simple controls. Players jump to avoid falling rocks and climb trees as high as possible.
AirSpayce Pty Ltd
Navigate with historical interface
Simulate the Apollo Guidance Computer interface with a realistic keyboard layout. Tap the 'i' icon for help. Navigate through mission scenarios, input commands, and view system status displays as used during Apollo missions.
European Space Agency
Search targets, coordinates, or observations with data
Access data products from the Space Observatory. Search by target name, sky coordinates, or observation identifier. View processed scientific data and metadata. Download and analyze observational results.
Piero Massimino
Observe solar and lunar eclipses precisely.
The app processes total and total-annular solar eclipses from 1900 to 2100, including partial solar and lunar eclipses. It provides universal times, geographical coordinates, maximum duration, and umbra path details for observation.
Timothy Jones
Explore through interactive simulations
Explore mathematical concepts through interactive simulations. Adjust parameters via device tilt to control strange attractors, chemical oscillators, and 3-body star systems. Create and manipulate fractals in real time.
TrishCO LLC
Write with guided tracing
Teaches through guided tracing exercises. Includes letter and number practice with adjustable difficulty. Tracks progress with interactive lessons. Offers printable worksheets and audio feedback.
ESL Video, Inc.
Practice reading and spelling skills now.
The app offers two games, Reading Power and Spelling Power, to help children in K-2nd grade improve reading and spelling. It features 30 progressively difficult levels with a timed challenge and tracks player progress.
David Weber
Commodity ratio charts displayed visually.
The app displays ratio charts for five commodities including gold, silver, platinum, palladium, and crude oil. Users can compare two ratios on the same chart, viewing either absolute or percent values, with charts starting at 100% in percent mode.
Reach Technologies Limited
Simulates Hong Kong taxi meter fares.
The app simulates a Hong Kong Taxi Meter using GPS to track speed. It displays distance traveled, wait time, and instantaneous speed, featuring Hong Kong taxi fare information.
Read 'n' Learn ltd
Frame puzzles for young children.
The app offers 130 frame puzzles for children aged 4 and up, with pieces ranging from 8 to 24. Additional puzzle sets and difficulty levels are available via in-app purchase.
Martin Tseng
Practice law and questions
Practice Law and with mock exams and multiple-choice questions. Review answers with explanations. Track progress and test knowledge regularly.
DonkeyCat GmbH
Simulate motion and create fractals
Simulate a metallic movement over three magnets. Adjust gravity and friction settings. Generate fractals based on simulation parameters. Learn about physics and mathematical patterns through interactive experiments.
Ernest Thomason
Study anything with smart modes.
The app offers two smart study modes, text to speech audio in 18 languages, and multiple choice options. Users can also utilize spelling tests, a searchable card listing, and organize decks in folders.
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