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天从 何
iRootWord - Learn English the smart way, from the roots up.
Le dernier prix de téléchargement observé est de $0.99. Consultez le lien App Store officiel pour confirmer le prix actuel au moment du paiement.
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iRootWord - Learn English the smart way, from the roots up.
Tired of memorizing words that you forget the next day? iRootWord uses the science of word formation to connect scattered vocabulary into one knowledge web. Learn a single root, and you can read, guess and remember a whole family of words. It is a focused English root and affix dictionary and study tool, deeply woven into the Apple ecosystem, and it works fully offline with no ads and no tracking.
Root and Affix Dictionary
- 240+ high-frequency prefixes, roots and suffixes, hand-curated
- Every entry includes meaning, etymology, variants and memory hints
- 700+ real example words, each broken down by its building blocks
Word Decomposer
- Type any English word and an offline engine splits it into roots and affixes instantly
- Segment-by-segment meanings, with one tap to jump into the full entry
- Understand unfamiliar words even when they are not in the dictionary
Browse by Category
- Explore by semantic theme, language origin and affix type
- Exam packs: CET, Postgraduate, IELTS and TOEFL, GRE
Scientific Review
- Two modes: flashcards and multiple choice
- Spaced repetition based on the Leitner forgetting curve
- Study stats and daily streaks so progress is always visible
Search and Favorites
- Fast search across roots, affixes and words
- Star, pin and swipe to manage the roots you use most
Deeply Integrated with Apple
- Widgets: Root of the Day, Hourly Root, Review Progress and Favorite Peek, in every Home and Lock Screen size
- Control Center: start a review with one tap on iOS 18 and later
- Siri and Shortcuts: root of the day, decompose a word, start review
- Spotlight: jump straight to any root from system search
- iCloud sync: favorites and progress stay in step across your devices
Pronunciation
- American and British read-aloud voices
Every Device, Built for Everyone
- Universal on iPhone, iPad, Mac and Apple Vision Pro
- Light and dark themes, multiple layouts, Dynamic Type and accessibility support
Privacy First
- The dictionary is fully built in and core features work offline
- We collect no personal data, and there are no ads or trackers
Whether you are preparing for CET, postgraduate exams, IELTS, TOEFL or GRE, or simply want to build a stronger vocabulary, iRootWord makes your memory more efficient and more lasting.
Start today. Remember words by their roots.
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Le dernier prix de téléchargement observé est de $0.99. Consultez le lien App Store officiel pour confirmer le prix actuel au moment du paiement.
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