Showing 241–260 of 1,000 ranked alternatives.
Shu Tang
Practice tests and flashcards for PTCB exams
Prepare for the Technician Certification Board exam with practice tests and flashcards. Study mode provides untimed exams with answers and explanations. Flashcard mode allows self-grading and review.
Andrei Nistorescu
Explore galaxies and planets interactively
Explore a 3D map of the Milky Way, Andromeda, and their satellite galaxies. Navigate through the Orion Arm to view nebulae and supernovae. Fly through planetary atmospheres and land on planets.
Dizzy Squirrel Limited
Test maths skills with timed questions.
The app tests maths skills with sums, multiplication, and division. Users earn stars for correct answers and unlock levels by completing them.
Rene Zuidhof
Roll to generate stories
Create stories by rolling and viewing up-facing icons. Select 1-10 from various categories. Access over 200 images. Change background color. Shake device to roll .
Sorboni Mumin
Learn HSK and flashcards
Learn Chinese with flashcards covering levels 1 through 6. View simplified and traditional characters with pinyin and English definitions. Listen to word pronunciations, bookmark words, and add notes. Review flashcards for all levels or speed review.
Wei Zhang
Study and prepare for questions
Study questions with flashcards, hide answers to recall, and mark cards for later review. Prepare for the 2025 128-question or 2008 100-question . No ads included.
V PUGAZHENTHI
Calculate voltage, current, and resistance
Calculate values using resistor color codes, voltage, current, and resistance formulas. Perform impedance and RLC circuit analysis. Input values to get accurate results for engineering, wiring, and circuit design tasks.
David Iberri
Read articles, review studies, stay updated
Access medical research summaries from internal journals. Read concise reviews of landmark trials written by physicians. Quickly digest key findings to inform patient care decisions. Stay updated with the latest clinical evidence.
V PUGAZHENTHI
Calculate values instantly
Provides tools for and electronics calculations. Users can compute resistance, voltage, current, and power. Includes resistor color code conversion and voltage drop calculations aligned with NEC/IEEE standards. Supports USCS and SI units.
Linfeng Li
Explore celestial objects in 3D
Explore celestial objects in real-time 3D. View planets, moons, star clusters, and galaxies with accurate positioning and movement. Navigate through at adjustable speeds. Zoom in on objects and observe their features. Save and share custom views.
Mindware Consulting, Inc
Play to build vocabulary and memory
Play to improve vocabulary, trivia knowledge, and verbal memory. Features include abstract differentiation, flow puzzles, and memory challenges. Some require a Pro subscription for unlimited plays. Track progress and set goals within the .
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