# ZemoMemo vs duiduidui!

The clearest difference is in-app purchases: ZemoMemo at none against duiduidui!'s 2. ZemoMemo also leads on device support (3 vs 1) and iOS requirement (14.0 vs 16.4). On price and ads there is nothing between them.

Both are free to download. duiduidui! sells 2 in-app purchases, starting at $12.99 per month. ZemoMemo asks for nothing beyond the download.

## The numbers

| Metric | ZemoMemo | duiduidui! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/duiduidui/id6771224415/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 6 weeks |
| Monetization | — | Freemium |
| Size | 11 MB | 111 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [teadst](https://appshunter.io/developer/1601581024) | [Red Thread Labs LLC](https://appshunter.io/developer/1896775112) |

## What reviewers say

### ZemoMemo

[App page](https://appshunter.io/ios/app/zemomemo/id6753855492)

**Features:** macOS Compatibility

**In-app purchases:** none


### duiduidui!

[App page](https://appshunter.io/ios/app/duiduidui/id6771224415)

This app offers a comprehensive Chinese dictionary with audio and example sentences, plus an AI tutor for grammar and conversation practice. Features include a personal phrasebook, camera translation, and adaptive flashcards to track learning progress. It's designed to adapt to your learning style and grow with you from beginner to fluency.

**Highlights:** Comprehensive Mandarin dictionary, AI tutor for grammar and conversation, Personal phrasebook, Camera-based translation, Adaptive flashcards, Offline functionality, Progress tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $12.99 | per month |
| Annual | $89.99 | per year |


## Frequently asked questions

### Is ZemoMemo free?

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

### Is duiduidui! free?

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

### Do ZemoMemo or duiduidui! have ads?

Neither ZemoMemo nor duiduidui! shows ads.

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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.*