# 观潮AI vs Dobby AI Notes

The clearest difference is in-app purchases: 观潮AI at none against Dobby AI Notes's 5. 观潮AI also leads on ads (none vs shown) and iOS requirement (13 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Dobby AI Notes sells 5 in-app purchases, starting at $4.99 per month. 观潮AI asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 观潮AI | Dobby AI Notes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | Weekly |
| Size | 33 MB | 61 MB |
| Requires iOS | **13** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SunSharp](https://appshunter.io/developer/547107925) | [Dobby Canvas, Inc.](https://appshunter.io/developer/1332562712) |

## What reviewers say

### 观潮AI

[App page](https://appshunter.io/ios/app/ai/id6630373463)

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

**In-app purchases:** none


### Dobby AI Notes

[App page](https://appshunter.io/ios/app/dobby-ai-notes-your-ai-brain/id6777613545)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Plan (Monthly) | $4.99 | per month |
| AI Credits - Boost S | $10.00 | one-time |
| AI Credits - Boost M | $50.00 | one-time |
| AI Credits - Boost L | $100.00 | one-time |
| AI Credits - Boost XL | $200.00 | one-time |


## Frequently asked questions

### Is 观潮AI free?

观潮AI is free to download, with no in-app purchases.

### Is Dobby AI Notes free?

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

### Do 观潮AI or Dobby AI Notes have ads?

Dobby AI Notes shows ads; 观潮AI does not.

### Which is updated more often, 观潮AI or Dobby AI Notes?

观潮AI ships an update weekly, and Dobby AI Notes weekly. Most recently, 观潮AI was updated on November 4, 2026 and Dobby AI Notes on November 5, 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.*