# 致臻研習社 vs 默書啦喂

The clearest difference is in-app purchases: 致臻研習社 at none against 默書啦喂's 6. 默書啦喂's advantage is update cadence (every 4 days vs every 9 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. 默書啦喂 sells 6 in-app purchases, starting at $6.99 per month. 致臻研習社 asks for nothing beyond the download.

致臻研習社 ships an update every 9 months, 默書啦喂 every 4 days. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 致臻研習社 | 默書啦喂 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.7 (6 ratings)](https://appshunter.io/ios/app/ai/id6753712775/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 74 MB | 362 MB |
| Requires iOS | 16.0 | **15.5** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ACME Learning Centre Limited](https://appshunter.io/developer/1484036003) | [LW Group Limited](https://appshunter.io/developer/1844604778) |

## What reviewers say

### 致臻研習社

[App page](https://appshunter.io/ios/app/id1484036004)

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

**In-app purchases:** none


### 默書啦喂

[App page](https://appshunter.io/ios/app/ai/id6753712775)

This AI-powered tool helps students practice Chinese dictation with features like photo recognition for list creation, auto-playback in Cantonese and Mandarin, and stroke order animations. It supports various input methods and cloud sync for seamless practice across devices.

**Highlights:** Photo recognition for dictation lists, Auto playback with adjustable speed, Stroke order animations, Multiple input methods, Cloud sync across devices, Progress tracking

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Monthly | $6.99 | per month |
| AI Pro Monthly | $8.99 | per month |
| AI Pro Family Monthly | $14.99 | per month |
| Plus Yearly | $69.99 | per year |
| AI Pro Yearly | $89.99 | per year |
| AI Pro Family Yearly | $149.99 | per year |


## Frequently asked questions

### Is 致臻研習社 free?

致臻研習社 is free to download, with no in-app purchases.

### Is 默書啦喂 free?

默書啦喂 is free to download, with in-app purchases available.

### Do 致臻研習社 or 默書啦喂 have ads?

Neither 致臻研習社 nor 默書啦喂 shows ads.

### Which is updated more often, 致臻研習社 or 默書啦喂?

致臻研習社 ships an update every 9 months, and 默書啦喂 every 4 days. Most recently, 致臻研習社 was updated on October 26, 2026 and 默書啦喂 on October 28, 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.*