# 知行AI vs Visual Learning

The clearest difference is in-app purchases: 知行AI at none against Visual Learning's 4. 知行AI also leads on ads (none vs shown) and iOS requirement (16.0 vs 18.0). Visual Learning's advantage is update cadence (every 6 days vs every 2 weeks) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. Visual Learning sells 4 in-app purchases, starting at $0.99 per 7 days. 知行AI asks for nothing beyond the download.

知行AI ships an update every 2 weeks, Visual Learning every 6 days. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 知行AI | Visual Learning |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Size | 29 MB | 23 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [湖南亿谷信息科技发展有限公司](https://appshunter.io/developer/979121213) | [SAS Corvaisier](https://appshunter.io/developer/1719271935) |

## What reviewers say

### 知行AI

[App page](https://appshunter.io/ios/app/ai/id6743461129)

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

**In-app purchases:** none


### Visual Learning

[App page](https://appshunter.io/ios/app/visual-learning-my-teacher/id6755714468)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $0.99 | per 7 days |
| Premium Yearly | $29.99 | per year |
| 10 AI Credits | $2.99 | one-time |
| 100 AI Credits | $24.99 | one-time |


## Frequently asked questions

### Is 知行AI free?

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

### Is Visual Learning free?

Visual Learning is free to download, with in-app purchases available.

### Do 知行AI or Visual Learning have ads?

Visual Learning shows ads; 知行AI does not.

### Which is updated more often, 知行AI or Visual Learning?

知行AI ships an update every 2 weeks, and Visual Learning every 6 days. Most recently, 知行AI was updated on October 7, 2026 and Visual Learning on October 15, 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.*