# duiduidui! vs ConnPass

The clearest difference is in-app purchases: ConnPass at none against duiduidui!'s 2. ConnPass also leads on update cadence (every 6 days vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

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

duiduidui! ships an update every 6 weeks, ConnPass every 6 days. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | duiduidui! | ConnPass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/duiduidui/id6771224415/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 6 days** |
| Monetization | Freemium | — |
| Size | 111 MB | 233 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 4+ |
| Developer | [Red Thread Labs LLC](https://appshunter.io/developer/1896775112) | [Ngoc Huy Le](https://appshunter.io/developer/6800019782) |

## What reviewers say

### 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 |


### ConnPass

[App page](https://appshunter.io/ios/app/connpass-everyday-flashcard/id6800019780)

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

**In-app purchases:** none


## Frequently asked questions

### Is duiduidui! free?

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

### Is ConnPass free?

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

### Do duiduidui! or ConnPass have ads?

Neither duiduidui! nor ConnPass shows ads.

### Which is updated more often, duiduidui! or ConnPass?

duiduidui! ships an update every 6 weeks, and ConnPass every 6 days. Most recently, duiduidui! was updated on October 28, 2026 and ConnPass on October 29, 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.*