Supported Features
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Sufficient Contrast
iRootWord: English Word Roots
Learn vocabulary by word roots
$0.99 · In‑App Purchases · Designed for iPad
Learn one word root, unlock a whole family of words. iRootWord turns rote memorization into connected learning - with widgets, Siri, flashcards and a fully offline.
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.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Version 1.2.0 brings smarter browsing, richer search, and more control over your daily root.
Categories - New display styles
- Switch between List, Grid, and Cards from the top-right button on the Categories tab
- Grid mode lets you choose how many columns to show (1-6 on iPhone, 1-12 on iPad)
- Your layout preference is saved and can sync across devices with iCloud
Daily Root - Refresh anytime
- Tap the refresh button on the Daily Root card to pick a new root for today
- Smart picks favor roots you have not learned or mastered yet
- Your choice stays in sync between the app and widgets for the rest of the day
- Daily and Hourly Root widgets now include a refresh button - no need to open the app
Search - Clearer results
- See a quick summary of how many roots and words matched your search
- Word results now show phonetics and the root they belong to
- Jump to root details, decompose a word, or copy it with one tap
- Improved layout with more readable result rows
Other improvements
- Cleaner navigation bar icons on Home, Categories, and detail pages
- Copy deep links easily in the Shortcuts guide
- Smoother search experience on the latest iOS versions
- More complete English, Simplified Chinese, and Traditional Chinese text
We hope iRootWord helps you learn roots more efficiently. If you enjoy this update, please leave a rating or review on the App Store - it helps more learners discover the app. Questions or suggestions? Tap Feedback in Settings. Thank you for learning with us.
The developer, 天从 何, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
The developer indicated that this app supports the following accessibility features. Learn More
Information
- Seller
- 天从 何
- Size
- 5.3 MB
- Category
- Education
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 2 more
- English, Simplified Chinese, Traditional Chinese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Reward developers $0.99
- Copyright
- © @iHTCboy