# 词骨英语850 vs Ogden 850

The clearest difference is in-app purchases: 词骨英语850 at none against Ogden 850's 2. Ogden 850's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Ogden 850 sells 2 in-app purchases, starting at $0.99 per month. 词骨英语850 asks for nothing beyond the download.

词骨英语850 ships an update fortnightly, Ogden 850 every 3 weeks. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 词骨英语850 | Ogden 850 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free | — |
| Size | 23 MB | 804 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bo Li](https://appshunter.io/developer/1894150079) | [小琦 王](https://appshunter.io/developer/1894109384) |

## What reviewers say

### 词骨英语850

[App page](https://appshunter.io/ios/app/850/id6773175114)

A lightweight tool for mastering the 850 core words of Ogden Basic English. It helps you identify known words, focus on learning new ones, and provides comprehensive vocabulary support including definitions, examples, and pronunciation.

**Highlights:** Self-testing to remove known words, View learned, removed, and all vocabulary, Browse 850 core words by Ogden categories, Includes definitions, example sentences, and notes, US and UK pronunciation for words, UK for sentences, Flashcard mode with audio playback, Progress tracking for learned and removed words

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

**In-app purchases:** none


### Ogden 850

[App page](https://appshunter.io/ios/app/ogden-850-basic-english/id6800209525)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Writing Monthly | $0.99 | per month |
| Kay Support | $1.99 | per month |


## Frequently asked questions

### Is 词骨英语850 free?

词骨英语850 is free to download, with no in-app purchases.

### Is Ogden 850 free?

Ogden 850 is free to download, with in-app purchases available.

### Do 词骨英语850 or Ogden 850 have ads?

Neither 词骨英语850 nor Ogden 850 shows ads.

### Which is updated more often, 词骨英语850 or Ogden 850?

词骨英语850 ships an update fortnightly, and Ogden 850 every 3 weeks. Most recently, 词骨英语850 was updated on October 6, 2026 and Ogden 850 on October 10, 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.*