# Delta单词 vs 码住单词

The clearest difference is in-app purchases: Delta单词 at none against 码住单词's 3. Delta单词 also leads on update cadence (daily vs every 3 days) and iOS requirement (15.1 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. 码住单词 sells 3 in-app purchases, starting at $2.99 per month. Delta单词 asks for nothing beyond the download.

Delta单词 ships an update daily, 码住单词 every 3 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Delta单词 | 码住单词 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 days |
| Size | 180 MB | 11 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [田丰 何](https://appshunter.io/developer/1674464316) | [仲 杜](https://appshunter.io/developer/1895263551) |

## What reviewers say

### Delta单词

[App page](https://appshunter.io/ios/app/delta/id6744654342)

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

**In-app purchases:** none


### 码住单词

[App page](https://appshunter.io/ios/app/id6763723947)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly Membership | $2.99 | per month |
| Pro Yearly Membership | $7.99 | per year |
| Pro Lifetime Membership | Free | one-time |


## Frequently asked questions

### Is Delta单词 free?

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

### Is 码住单词 free?

码住单词 is free to download, with in-app purchases available.

### Do Delta单词 or 码住单词 have ads?

Neither Delta单词 nor 码住单词 shows ads.

### Which is updated more often, Delta单词 or 码住单词?

Delta单词 ships an update daily, and 码住单词 every 3 days. Most recently, Delta单词 was updated on October 30, 2026 and 码住单词 on October 31, 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.*