Master English spelling through pronunciation and listening exercises. This app teaches natural spelling without phonetic transcription, covering 7000 words across 15 categories.



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4000基础必备英语单词5 is great, but it's not the only option. Explore 7+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.



Master English spelling through pronunciation and listening exercises. This app teaches natural spelling without phonetic transcription, covering 7000 words across 15 categories.






Access comprehensive data on all chemical elements, including atomic properties and molecular formulas. This tool features a detailed periodic table and reaction calculators to aid in chemistry studies and professional work.




This app helps high school students master English grammar through concise explanations and targeted practice exercises. It breaks down complex grammar into manageable units, offering a variety of question types to reinforce learning and improve exam performance.