Showing 101–120 of 1,000 ranked alternatives.
Alireza Khoddam
Track Persian dates and months
Track Persian calendar dates with accurate conversions between Gregorian and Persian dates. View official holidays and daily schedules. Add home screen and lock screen widgets for quick access to key calendar information.
弓 张
Explore fractals, learn math, create art
Explore mathematics through interactive lessons on Julia sets. Create and customize images in a freeform mode. Adjust parameters to generate and view real-time patterns.
James Bevins
Listen to spacecraft and airplane sounds
Play ambient sounds like spacecraft, turboprop planes, and jet engines to aid sleep. Choose from eight soundscapes with up to four hours of continuous playback. Access sounds on iPhone or iPad without internet connection.
何均 邓
Choose numbers, simulate physics, customize settings
Customize settings to select favorite numbers. Simulate ball movement in a container using real physics 2D/3D . Generate random numbers. Pick numbers randomly. Adjust custom settings.
伟 雷
Choose numbers, customize colors, create boxes
Create and customize Boxes with 100 numbers each. Select numbers freely and adjust the color brightness by sliding. Simulate number draws for entertainment.
Paul Cotarlea
Solve formulas and quizzes
Concepts through tutorials, formulas, and quizzes. Calculate variables using a smart formula solver. Access 4 tutorials for free or upgrade to unlock 11 additional tutorials. Track progress with built-in quizzes and formula references.
啸 付
Customize input methods and symbols
A customizable input method based on RIME engine. Supports gesture input for symbols and allows user-defined symbols. Functions offline for keyboard input but requires network for downloading input schemes and WiFi uploads.
smalltech sarl
Calculate formulas instantly
Calculate mathematical expressions with a high precision engine. Display results in real-time while typing. Undo multiple steps and switch between workspaces. Save history persistently. Use specialized keypads for iPhone and iPad.
SkyCiv Pty Ltd
Design structures with engineering tools
Access structural engineering tools including beam and truss calculators, frame analysis, and section databases. Generate wind and snow loads. View and manage models with 3D rendering. Convert units and design base plates and retaining walls.
GeoGebra GmbH
Plot functions and solve equations
Graphing Calculator allows plotting functions with sliders and solving equations. Geometry Calculator enables creating interactive geometric constructions. 3D Calculator graphs functions and surfaces.
262Hz LLC
Play piano notes and recognize intervals
Practice interval recognition, pitch identification, and transcription skills using a virtual piano. Play melodies, replay them, and replicate the notes. Track progress with scores and improve improvisation and self-esteem through regular use.
Tap Five, LLC
Create custom click tracks and tempo adjustments
Create custom click tracks with detailed tempo, time signature, and subdivision controls. Design transitions, accents, and count-offs for rehearsals. Tune instruments using built-in tuning tools. Export tracks for practice or sharing.
Higher Learning Technologies, Inc.
Practice exams with detailed explanations and teaching
Access 1,600+ AGPCNP practice questions with detailed explanations and teaching images. Answer daily boards-style questions. Track progress and prepare for AANPCB and ANCC exams. No credit card required.
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