This app helps users understand English vocabulary by breaking down words into their roots, prefixes, and suffixes. It provides bilingual explanations, pronunciation, and usage examples, with offline access and basic learning tools included for free. Advanced features and content are available through an optional subscription.
1.4.4
September 16, 2026
新增可滑动每日三词，增加视觉效果多维记忆单词。
Unlock all advanced features.
$49.99
OpenEtymology Plus Lifetime
Unlock all advanced features permanently.
很高兴能帮到您。有什么升级建议也可以告诉我。
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OpenEtymology helps users understand English vocabulary by showing the etymology, roots, prefixes, and suffixes of words. This approach makes advanced vocabulary easier to remember and reason about, aiding comprehension and retention.
The free version of OpenEtymology includes English and Chinese word explanations, etymology details, pronunciation, usage examples, offline lookup, favorites, basic vocabulary packs, and a history of the last 50 searches. It also offers basic quiz and review tools.
OpenEtymology Plus unlocks advanced features such as unlimited search history, specialized vocabulary packs (TEM8, TOEFL, GRE8000), custom wordbooks, seven-star mastery tracking, and PDF export for searched words.
OpenEtymology Plus is available through monthly or yearly auto-renewable subscriptions, with free trial periods offered before purchase. A one-time lifetime unlock option is also available.
Yes, your subscription to OpenEtymology Plus can be managed or canceled directly within your App Store account settings. This allows for easy control over your subscription status.
No, OpenEtymology prioritizes user privacy. Your favorites, search history, wordbooks, and learning data are stored locally on your device and are not synced to the cloud or tracked by analytics.
Yes, OpenEtymology is designed to help users understand complex vocabulary. The Plus version offers advanced word packs for exams like TOEFL and GRE, making it beneficial for learners preparing for standardized tests.
OpenEtymology has an age rating of 4+, making it suitable for a wide range of users, including younger learners and adults interested in vocabulary development.