Explore the solar system in 3D and augmented reality. Visualize planets and moons in your environment, adjust their scale, and learn fascinating facts. Ideal for parents, educators, and space enthusiasts.
优题网 by Beijing Ayo Technology Co., Ltd.




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Whether you want more options like 优题英语 or a completely different take on the same concept, our curated list of 8+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.










Explore the solar system in 3D and augmented reality. Visualize planets and moons in your environment, adjust their scale, and learn fascinating facts. Ideal for parents, educators, and space enthusiasts.


Learn vocabulary by memorizing sentences, featuring real-world examples from various learning stages. It breaks down sentences to highlight key words, grammar, and common phrases, enhanced with images. The app uses spaced repetition and allows custom sentence creation and photo recognition.






This app helps users learn vocabulary more efficiently by using intelligent systems for planning and review. It adapts to individual learning levels and offers various study methods to make memorization effective and engaging.

