# basicEnglish850 vs Kay Ogden

The clearest difference is in-app purchases: basicEnglish850 at none against Kay Ogden's 2. basicEnglish850 also leads on update cadence (daily vs every 2 days) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Kay Ogden sells 2 in-app purchases, starting at $0.99 per month. basicEnglish850 asks for nothing beyond the download.

basicEnglish850 ships an update daily, Kay Ogden every 2 days. The most recent releases landed on September 18, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | basicEnglish850 | Kay Ogden |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 days |
| Size | 20 MB | 804 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [显华 董](https://appshunter.io/developer/1895316078) | [小琦 王](https://appshunter.io/developer/1894109384) |

## What reviewers say

### basicEnglish850

[App page](https://appshunter.io/ios/app/basicenglish850/id6773560696)

**In-app purchases:** none


### Kay Ogden

[App page](https://appshunter.io/ios/app/kay-ogden/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 basicEnglish850 free?

basicEnglish850 is free to download, with no in-app purchases.

### Is Kay Ogden free?

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

### Do basicEnglish850 or Kay Ogden have ads?

Neither basicEnglish850 nor Kay Ogden shows ads.

### Which is updated more often, basicEnglish850 or Kay Ogden?

basicEnglish850 ships an update daily, and Kay Ogden every 2 days. Most recently, basicEnglish850 was updated on September 18, 2026 and Kay Ogden on September 8, 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.*