# 国盾密邮 vs MarkFlow

The clearest difference is price: 国盾密邮 at Free against MarkFlow's $0.99. 国盾密邮 also leads on iOS requirement (14.0 vs 16.6). MarkFlow's advantage is update cadence (daily vs every 4 months). On ads, in-app purchases and device support there is nothing between them.

国盾密邮 is free to download; MarkFlow costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

国盾密邮 ships an update every 4 months, MarkFlow daily. The most recent releases landed on October 11, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | 国盾密邮 | MarkFlow |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/markflow-ai-format-engine/id6743826237/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Daily** |
| Monetization | — | Paid |
| Size | 29 MB | 12 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [山东量子科学技术研究院有限公司](https://appshunter.io/developer/1698287832) | [友娥 尹](https://appshunter.io/developer/1804749658) |

## What reviewers say

### 国盾密邮

[App page](https://appshunter.io/ios/app/id6742765795)

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

**In-app purchases:** none


### MarkFlow

[App page](https://appshunter.io/ios/app/markflow-ai-format-engine/id6743826237)

Effortlessly convert AI-generated Markdown text into professional documents like DOCX, PDF, and images. Offers 12 beautiful themes, customizable styles, and offline processing for enhanced privacy and efficiency.

**Highlights:** Convert Markdown to DOCX, PDF, PPTX, images, XLSX, TXT, 12 beautiful image themes with customizable styles, Offline processing for privacy and security, iOS Shortcuts support for one-tap conversions, Multiple image size presets and font schemes, Convenient history records for past conversions

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

**In-app purchases:** none


## Frequently asked questions

### Is 国盾密邮 free?

国盾密邮 is free to download, with no in-app purchases.

### Is MarkFlow free?

MarkFlow costs $0.99, with no in-app purchases.

### Do 国盾密邮 or MarkFlow have ads?

Neither 国盾密邮 nor MarkFlow shows ads.

### Which is updated more often, 国盾密邮 or MarkFlow?

国盾密邮 ships an update every 4 months, and MarkFlow daily. Most recently, 国盾密邮 was updated on October 11, 2026 and MarkFlow on September 30, 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.*