# 逆象提词 vs 紫东太初

The clearest difference is in-app purchases: 紫东太初 at none against 逆象提词's 4. 紫东太初 also leads on ads (none vs shown). 逆象提词's advantage is update cadence (every 9 days vs every 3 weeks) and iOS requirement (9.0 vs 12.0). On price and device support there is nothing between them.

Both are free to download. 逆象提词 sells 4 in-app purchases, starting at $3.99 per month. 紫东太初 asks for nothing beyond the download.

逆象提词 ships an update every 9 days, 紫东太初 every 3 weeks. The most recent releases landed on September 24, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | 逆象提词 | 紫东太初 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (4 ratings)](https://appshunter.io/ios/app/ai/id6474421402/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | — | Free |
| Size | 68 MB | 67 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [茂祺 冉](https://appshunter.io/developer/1533041224) | [武汉人工智能研究院](https://appshunter.io/developer/1721505834) |

## What reviewers say

### 逆象提词

[App page](https://appshunter.io/ios/app/vlog/id1574320649)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 开通连续包月会员 | $3.99 | per month |
| 开通一个月会员 | $5.99 | one-time |
| 开通一个季会员 | $14.99 | one-time |
| 开通一年会员 | $29.99 | 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 逆象提词 free?

逆象提词 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.

### Do 逆象提词 or 紫东太初 have ads?

逆象提词 shows ads; 紫东太初 does not.

### Which is updated more often, 逆象提词 or 紫东太初?

逆象提词 ships an update every 9 days, and 紫东太初 every 3 weeks. Most recently, 逆象提词 was updated on September 24, 2026 and 紫东太初 on September 19, 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.*