# 大观云 vs 土谛AI

The clearest difference is in-app purchases: 大观云 at none against 土谛AI's 3. 大观云 also leads on update cadence (monthly vs every 2 months). 土谛AI's advantage is iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. 土谛AI sells 3 one-off in-app purchases. 大观云 asks for nothing beyond the download.

大观云 ships an update monthly, 土谛AI every 2 months. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 大观云 | 土谛AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1296148227/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 439 MB | 71 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dayang Technology Development Inc.](https://appshunter.io/developer/422749938) | [广西捷佳润科技股份有限公司](https://appshunter.io/developer/1445111024) |

## What reviewers say

### 大观云

[App page](https://appshunter.io/ios/app/id1296148227)

**Features:** Vision Pro support

**In-app purchases:** none


### 土谛AI

[App page](https://appshunter.io/ios/app/ai/id6737214230)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员费用 | $2.99 | one-time |
| 年会员费用 | $29.99 | one-time |
| 永久会员费用 | $39.99 | one-time |


## Frequently asked questions

### Is 大观云 free?

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

### Is 土谛AI free?

土谛AI is free to download, with in-app purchases available.

### Do 大观云 or 土谛AI have ads?

Neither 大观云 nor 土谛AI shows ads.

### Which is updated more often, 大观云 or 土谛AI?

大观云 ships an update monthly, and 土谛AI every 2 months. Most recently, 大观云 was updated on October 29, 2026 and 土谛AI on October 27, 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.*