# Context vs DejaVocab

Context and DejaVocab both sit at 4.5 stars, but that hides the real split: 86% of DejaVocab's written reviews are positive against 58% of Context's. DejaVocab also leads on ratings volume (59 vs 13). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Context sells 2 in-app purchases, starting at $9.99 per month and DejaVocab sells 6 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for Context against 4.5 for DejaVocab. Both are backed by a comparable volume of ratings — 13 and 59 respectively. Written reviews are what separate them: 58% of Context's written reviews are positive against 86% of DejaVocab's.

Context ships an update every 6 days, DejaVocab weekly. The most recent releases landed on October 21, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Context | DejaVocab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (13 ratings)](https://appshunter.io/ios/app/context-ai/id6667098561/reviews)** | [4.5 (59 ratings)](https://appshunter.io/ios/app/dejavocab/id6753130604/reviews) |
| Number of ratings | 13 | **59** |
| Positive reviews | 58.3% of reviews | **86.4% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Weekly |
| Monetization | Free with in-app purchases | Freemium |
| Size | 57 MB | 360 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Chengdu Visionary Co., Ltd.](https://appshunter.io/developer/1538156488) | [灏 龙](https://appshunter.io/developer/1842626848) |

## What reviewers say

### Context

[App page](https://appshunter.io/ios/app/context-ai/id6667098561)

This AI-powered tool helps you learn English naturally through context. It focuses on acquiring vocabulary and phrases from your own reading, offering AI-assisted explanations for grammar and word meanings. The app aims to make learning more engaging and effective by integrating with your personal learning notes.

**Highlights:** AI-powered vocabulary acquisition, Contextual word explanations, AI-assisted grammar analysis, DeepListen audio review, Import web links, text, and EPUB, Personalized learning notes management, Flashcard-style word review

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus 月度 | $9.99 | per month |
| Plus 年度 | $39.99 | per year |


### DejaVocab

[App page](https://appshunter.io/ios/app/dejavocab/id6753130604)

This app helps you learn languages by immersing you in real-world content like videos, podcasts, and books. It builds a personal language corpus by capturing and organizing language chunks from natural input, allowing you to review words within their original context. The system integrates spoken and written language for a continuous learning experience.

**Highlights:** Learn from videos, podcasts, and audiobooks, Build a personal language corpus, Review vocabulary in original context, Integrates spoken and written language, Supports EPUB, PDF, and text files

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DejaVocab 高级版 | $5.99 | per month |
| DejaVocab 高级版 | $7.99 | per month |
| DejaVocab 高级版年付 | $49.99 | per year |
| DejaVocab 专业版年付 | $69.99 | per year |
| DejaVocab 共建者 | $199.99 | one-time |
| DejaVocab 共建者 Plus | $299.99 | one-time |


## Frequently asked questions

### Is Context free?

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

### Is DejaVocab free?

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

### Which has better reviews, Context or DejaVocab?

Context is rated higher. Context averages 4.5 out of 5 from 13 ratings, while DejaVocab averages 4.5 from 59 ratings.

### Do Context or DejaVocab have ads?

Neither Context nor DejaVocab shows ads.

### Which is updated more often, Context or DejaVocab?

Context ships an update every 6 days, and DejaVocab weekly. Most recently, Context was updated on October 21, 2026 and DejaVocab on October 20, 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.*