# 天启排盘 vs 问天AI研究助手

The clearest difference is in-app purchases: 问天AI研究助手 at none against 天启排盘's 8. 天启排盘's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. 天启排盘 sells 8 one-off in-app purchases. 问天AI研究助手 asks for nothing beyond the download.

## The numbers

| Metric | 天启排盘 | 问天AI研究助手 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | Monthly | — |
| Size | 44 MB | 41 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 12+ |
| Developer | [曌午 齐](https://appshunter.io/developer/1656868127) | [Hang'aishan (Hangzhou) Artificial Intelligence Technology Co., Ltd.](https://appshunter.io/developer/1823824055) |

## What reviewers say

### 天启排盘

[App page](https://appshunter.io/ios/app/id1672140956)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 星币 7个 | $0.99 | one-time |
| 星币 70个 | $0.99 | one-time |
| 星币 350个 | $6.99 | one-time |
| 星币 686个 | $14.99 | one-time |
| 星币 1386币 | $29.99 | one-time |
| 星币 2086个 | $39.99 | one-time |
| 天盘排盘会员月卡 | $69.99 | one-time |
| 天启排盘永久会员 | $99.99 | one-time |


### 问天AI研究助手

[App page](https://appshunter.io/ios/app/ai/id6748516090)

**In-app purchases:** none


## Frequently asked questions

### Is 天启排盘 free?

天启排盘 is free to download, with in-app purchases available.

### Is 问天AI研究助手 free?

问天AI研究助手 is free to download, with no in-app purchases.

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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.*