# 书单视频助手 vs 紫东太初

The clearest difference is in-app purchases: 紫东太初 at none against 书单视频助手's 4. 紫东太初 also leads on ratings volume (4 vs 1). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. 书单视频助手 sells 4 in-app purchases, starting at $4.99 per month. 紫东太初 asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 1.0 for 书单视频助手 against 1.0 for 紫东太初. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 书单视频助手 | 紫东太初 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/id6466374885/reviews) | [1.0 (4 ratings)](https://appshunter.io/ios/app/ai/id6474421402/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | — | Free |
| Size | 180 MB | 67 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [苏州普合呈信息科技有限公司](https://appshunter.io/developer/1707288259) | [武汉人工智能研究院](https://appshunter.io/developer/1721505834) |

## What reviewers say

### 书单视频助手

[App page](https://appshunter.io/ios/app/id6466374885)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月 | $4.99 | per month |
| 月度VIP | $4.99 | one-time |
| 终身VIP | $12.99 | one-time |
| 年度VIP | $12.99 | one-time |


### 紫东太初

[App page](https://appshunter.io/ios/app/ai/id6474421402)

This AI assistant leverages a powerful multimodal large model for diverse tasks including Q&A, text creation, and image generation. It aims to enhance work efficiency and daily life through natural language interaction, offering specialized modules for career, creative writing, and learning.

**Highlights:** Multimodal AI capabilities, Text generation and editing, Image creation, Comprehensive Q&A, Career assistance, Creative writing support, Learning and translation

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

**In-app purchases:** none


## Frequently asked questions

### Is 书单视频助手 free?

书单视频助手 is free to download, with in-app purchases available.

### Is 紫东太初 free?

紫东太初 is free to download, with no in-app purchases.

### Which has better reviews, 书单视频助手 or 紫东太初?

书单视频助手 and 紫东太初 are both rated 1.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do 书单视频助手 or 紫东太初 have ads?

Neither 书单视频助手 nor 紫东太初 shows ads.

### Which is updated more often, 书单视频助手 or 紫东太初?

书单视频助手 ships an update every 3 weeks, and 紫东太初 every 3 weeks. Most recently, 书单视频助手 was updated on October 9, 2026 and 紫东太初 on October 6, 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.*