# TechDraw min vs 写写微课

The clearest difference is ads: 写写微课 at none against TechDraw min's shown. 写写微课 also leads on update cadence (every 2 months vs every 4 months) and iOS requirement (9.0 vs 14.0). On price, 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.

TechDraw min ships an update every 4 months, 写写微课 every 2 months. The most recent releases landed on September 4, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | TechDraw min | 写写微课 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/techdraw-min/id552732928/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 11.1% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Ad-supported | — |
| Size | 68 MB | 50 MB |
| Requires iOS | 14.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Kelly Technology Inc.](https://appshunter.io/developer/393931941) | [鲁伯特(北京)教育科技有限公司](https://appshunter.io/developer/1108794518) |

## What reviewers say

### TechDraw min

[App page](https://appshunter.io/ios/app/techdraw-min/id552732928)

This mobile drawing application offers a comprehensive set of tools, including geometric shapes and a text/equation editor. It facilitates collaboration and backup through data transfer and allows sharing on social media. A detailed user manual is also provided within the app.

**Highlights:** Geometric shape library, Text and equation editor, Drawing data transfer, Social media sharing, Integrated user manual

**Features:** Vision Pro support

**In-app purchases:** none


### 写写微课

[App page](https://appshunter.io/ios/app/id1108794519)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TechDraw min free?

TechDraw min is free to download, with no in-app purchases.

### Is 写写微课 free?

写写微课 is free to download, with no in-app purchases.

### Do TechDraw min or 写写微课 have ads?

TechDraw min shows ads; 写写微课 does not.

### Which is updated more often, TechDraw min or 写写微课?

TechDraw min ships an update every 4 months, and 写写微课 every 2 months. Most recently, TechDraw min was updated on September 4, 2026 and 写写微课 on September 16, 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.*