# Context vs 玻尔

The clearest difference is rating: Context at 4.5 against 玻尔's 2.5. Context also leads on update cadence (every 6 days vs fortnightly) and review sentiment (58% vs 50%). 玻尔's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Context sells 2 in-app purchases, starting at $9.99 per month. 玻尔 asks for nothing beyond the download.

Context holds the better App Store score, 4.5 against 2.5. Both are backed by a comparable volume of ratings — 13 and 4 respectively. Written reviews point the same way: 58% of Context's written reviews are positive against 50% of 玻尔's.

Context ships an update every 6 days, 玻尔 fortnightly. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Context | 玻尔 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (13 ratings)](https://appshunter.io/ios/app/context-ai/id6667098561/reviews)** | [2.5 (4 ratings)](https://appshunter.io/ios/app/id6739486655/reviews) |
| Number of ratings | **13** | 4 |
| Positive reviews | **58.3% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 57 MB | 92 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Visionary Co., Ltd.](https://appshunter.io/developer/1538156488) | [北京深势科技有限公司](https://appshunter.io/developer/1785592347) |

## 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 |


### 玻尔

[App page](https://appshunter.io/ios/app/id6739486655)

Accelerate your scientific research with an AI-powered platform that integrates advanced language models, vast knowledge bases, and lab tools to facilitate literature review, experiment design, and discovery. Get smarter, more accurate, and personalized insights to stay on top of the latest research breakthroughs and uncover new connections.

**In-app purchases:** none


## Frequently asked questions

### Is Context free?

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

### Is 玻尔 free?

玻尔 is free to download, with no in-app purchases.

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

Context is rated higher. Context averages 4.5 out of 5 from 13 ratings, while 玻尔 averages 2.5 from 4 ratings.

### Do Context or 玻尔 have ads?

Neither Context nor 玻尔 shows ads.

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

Context ships an update every 6 days, and 玻尔 fortnightly. Most recently, Context was updated on October 24, 2026 and 玻尔 on October 21, 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.*