# WordTrees vs Lexis Graph

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.

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.

## The numbers

| Metric | WordTrees | Lexis Graph |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 62 MB | 121 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [祖浪 吴](https://appshunter.io/developer/1883572387) | [禹 杜](https://appshunter.io/developer/1826041186) |

## What reviewers say

### WordTrees

[App page](https://appshunter.io/ios/app/wordtrees-roots-and-reading/id6775192724)

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.

**Highlights:** 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)

**Features:** macOS Compatibility, Vision Pro support, iPhone Duo support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| monthly | $2.99 | per month |
| quater membership | $6.99 | per 3 months |
| yearly membership | $19.99 | per year |
| LLM-tokens | $0.99 | one-time |


### Lexis Graph

[App page](https://appshunter.io/ios/app/lexis-graph/id6783677179)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 「Lexis Graph」Pro Monthly | $1.99 | per month |
| 「Lexis Graph」Pro Yearly | $14.99 | per year |
| 「Lexis Graph」Pro Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is WordTrees free?

WordTrees is free to download, with in-app purchases available.

### Is Lexis Graph free?

Lexis Graph is free to download, with in-app purchases available.

### Do WordTrees or Lexis Graph have ads?

Neither WordTrees nor Lexis Graph shows ads.

### Which is updated more often, WordTrees or Lexis Graph?

WordTrees ships an update every 6 days, and Lexis Graph every 3 weeks. Most recently, WordTrees was updated on November 12, 2026 and Lexis Graph on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*