# 标注画笔 vs 车云AI

The clearest difference is ads: 车云AI at none against 标注画笔's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

标注画笔 ships an update monthly, 车云AI every 2 months. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 标注画笔 | 车云AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 2 months |
| Size | 87 MB | 4 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 17+ |
| Developer | [小军 王](https://appshunter.io/developer/1343888593) | [Feng Zhang](https://appshunter.io/developer/1853426466) |

## What reviewers say

### 标注画笔

[App page](https://appshunter.io/ios/app/id1455756760)

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

**In-app purchases:** none


### 车云AI

[App page](https://appshunter.io/ios/app/ai/id6766550728)

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

**In-app purchases:** none


## Frequently asked questions

### Is 标注画笔 free?

标注画笔 is free to download, with no in-app purchases.

### Is 车云AI free?

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

### Do 标注画笔 or 车云AI have ads?

标注画笔 shows ads; 车云AI does not.

### Which is updated more often, 标注画笔 or 车云AI?

标注画笔 ships an update monthly, and 车云AI every 2 months. Most recently, 标注画笔 was updated on November 6, 2026 and 车云AI on October 31, 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.*