WordTrees vs Lexis Graph
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WordTrees
Enhance your English vocabulary and reading comprehension with this app. It offers an offline dictionary, word analysis, personalized study tools, and an in-app reader to help you learn new words and understand their roots.
- Offline dictionary with definitions and pronunciation
- Word structure and root analysis
- Personalized vocabulary libraries and study modes
- In-app reader for articles and ebooks
- Visual word maps and related-word views
- AI-powered word analysis (network required)
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WordTrees helps you understand English words and keep them close as you read. LOOK UP WITH CONTEXT Search the built-in offline dictionary for definitions, pronunciation, word structure, and related vocabulary. Explore roots and affixes to see how a word is formed. AI analysis is available as a separate, user-initiated option. MAKE VOCABULARY YOUR OWN Save words, organize personal libraries and folders, and review them in a focused study mode. Choose from built-in vocabulary lists or import your own words. READ AND LEARN Browse English articles in a clean in-app reader. Tap a word in the text for a quick explanation, then continue reading. Save articles and resume from your reading history. You can also add supported ebooks to your personal shelf. SEE CONNECTIONS Visual word maps and related-word views make it easier to discover how vocabulary connects. WordTrees combines lookup, reading, and review in one place for everyday English learning and exam preparation. Some AI features require network access and may have usage limits. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Lexis Graph
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Understand words through graphs, not isolated memorization. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: WordTrees at every 6 days against Lexis Graph's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. WordTrees sells 4 in-app purchases, starting at $2.99 per month and Lexis Graph sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
WordTrees ships an update every 6 days, Lexis Graph every 3 weeks. The most recent releases landed on November 12, 2026 and November 5, 2026 respectively.
| Parameter | WordTrees | Lexis Graph |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 85.7% of reviews | — |
| Update frequency | Every 6 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 62 MB | 121 MB |
| Age rating | 4+ | 4+ |
| Developer | 祖浪 吴 | 禹 杜 |
In-app purchases
WordTrees
- monthly3 Days trial$2.991 Month
- quater membership3 Days trial$6.993 Months
- yearly membership3 Days trial$19.991 Year
- LLM-tokens$0.99
Lexis Graph
- 「Lexis Graph」Pro Monthly$1.991 Month
- 「Lexis Graph」Pro Yearly$14.991 Year
- 「Lexis Graph」Pro Lifetime$19.99
