# 柠檬听写 vs Ducklis

The clearest difference is update cadence: 柠檬听写 at every 2 days against Ducklis's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 柠檬听写 sells 2 in-app purchases, starting at $0.99 per month and Ducklis sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

柠檬听写 ships an update every 2 days, Ducklis fortnightly. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 柠檬听写 | Ducklis |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 25 MB | 11 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [轩 牛](https://appshunter.io/developer/1802492061) | [云涛 贾](https://appshunter.io/developer/1887721892) |

## What reviewers say

### 柠檬听写

[App page](https://appshunter.io/ios/app/id6743379237)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度订阅 | $0.99 | per month |
| 年度订阅 | $4.99 | per year |


### Ducklis

[App page](https://appshunter.io/ios/app/ducklis/id6781343299)

This app helps children practice dictation and vocabulary review independently. Parents and teachers can easily create word lists by scanning, typing, or pasting text. It offers customizable practice sessions and focused review of difficult words.

**Highlights:** Scan textbooks for word lists, Create lists by typing or pasting text, Customizable practice pace and playback, Focused review of misspelled words, Share word lists via image or QR code, Premium Voice for Chinese dictation

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $2.99 | one-time |


## Frequently asked questions

### Is 柠檬听写 free?

柠檬听写 is free to download, with in-app purchases available.

### Is Ducklis free?

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

### Do 柠檬听写 or Ducklis have ads?

Neither 柠檬听写 nor Ducklis shows ads.

### Which is updated more often, 柠檬听写 or Ducklis?

柠檬听写 ships an update every 2 days, and Ducklis fortnightly. Most recently, 柠檬听写 was updated on October 4, 2026 and Ducklis on October 1, 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.*