# UD Browser vs 關鍵英單：基礎字彙2200

The clearest difference is review sentiment: 關鍵英單：基礎字彙2200 at 100% against UD Browser's 50%. 關鍵英單：基礎字彙2200 also leads on iOS requirement (9.0 vs 14.0). UD Browser's advantage is price (Free vs $7.99) and update cadence (weekly vs every 31 months). On ads, in-app purchases and device support there is nothing between them.

UD Browser is free to download; 關鍵英單：基礎字彙2200 costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UD Browser ships an update weekly, 關鍵英單：基礎字彙2200 every 31 months. The most recent releases landed on October 3, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | UD Browser | 關鍵英單：基礎字彙2200 |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ud-browser/id986238350/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 31 months |
| Monetization | **Free** | Paid |
| Size | 148 MB | 312 MB |
| Requires iOS | 14.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Climb App](https://appshunter.io/developer/404048459) | [Soyong Corporation](https://appshunter.io/developer/339142397) |

## What reviewers say

### UD Browser

[App page](https://appshunter.io/ios/app/ud-browser/id986238350)

This app enhances reading accessibility with universal design principles. It supports various e-book formats, offers OCR for document digitization, and includes text-to-speech and zoom features for comfortable reading by anyone.

**Highlights:** Universal design for accessibility, Supports EPUB, DAISY, PDF, HTML formats, OCR for digitizing paper documents, Text-to-speech functionality, Keyboard navigation and zoom display, Reflowable and fixed layouts

**In-app purchases:** none


### 關鍵英單：基礎字彙2200

[App page](https://appshunter.io/ios/app/2200/id1190032896)

This app uses spaced repetition and a scientific memory system to help users efficiently memorize a large vocabulary. It offers structured learning modules, diverse practice exercises, and progress tracking to build a strong English vocabulary foundation for exams.

**Highlights:** Spaced repetition learning system, Thematic vocabulary categorization, Detailed word breakdowns (phonetics, parts of speech, definitions), Root, prefix, and suffix analysis, Contextual example sentences, Pronunciation practice, Progress tracking and achievement system

**In-app purchases:** none


## Frequently asked questions

### Is UD Browser free?

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

### Is 關鍵英單：基礎字彙2200 free?

關鍵英單：基礎字彙2200 costs $7.99, with no in-app purchases.

### Do UD Browser or 關鍵英單：基礎字彙2200 have ads?

Neither UD Browser nor 關鍵英單：基礎字彙2200 shows ads.

### Which is updated more often, UD Browser or 關鍵英單：基礎字彙2200?

UD Browser ships an update weekly, and 關鍵英單：基礎字彙2200 every 31 months. Most recently, UD Browser was updated on October 3, 2026 and 關鍵英單：基礎字彙2200 on September 15, 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.*