# Delta单词 vs Neko Dictionary

The clearest difference is update cadence: Delta单词 at daily against Neko Dictionary's fortnightly. Delta单词 also leads on iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Delta单词 ships an update daily, Neko Dictionary fortnightly. The most recent releases landed on September 8, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Delta单词 | Neko Dictionary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Fortnightly |
| Size | 180 MB | 91 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [田丰 何](https://appshunter.io/developer/1674464316) | [Shanghai Yidudu Technology Co., Ltd.](https://appshunter.io/developer/1862062047) |

## 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


### Neko Dictionary

[App page](https://appshunter.io/ios/app/neko-dictionary/id6756643217)

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

**In-app purchases:** none


## Frequently asked questions

### Is Delta单词 free?

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

### Is Neko Dictionary free?

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

### Do Delta单词 or Neko Dictionary have ads?

Neither Delta单词 nor Neko Dictionary shows ads.

### Which is updated more often, Delta单词 or Neko Dictionary?

Delta单词 ships an update daily, and Neko Dictionary fortnightly. Most recently, Delta单词 was updated on September 8, 2026 and Neko Dictionary on September 9, 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.*