# PDF Flow vs 文盲救星

The clearest difference is in-app purchases: PDF Flow at none against 文盲救星's 2. 文盲救星's advantage is ads (none vs shown) and update cadence (every 11 days vs every 4 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 文盲救星 sells 2 in-app purchases, starting at $4.99 per month. PDF Flow asks for nothing beyond the download.

PDF Flow ships an update every 4 weeks, 文盲救星 every 11 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | PDF Flow | 文盲救星 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/pdf-flow-local-document-desk/id6775756549/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Every 11 days** |
| Monetization | Ad-supported | — |
| Size | 77 MB | 11 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fuzhou Qingyue Network Technology Co., Ltd.](https://appshunter.io/developer/6771612144) | [suen king Fung](https://appshunter.io/developer/6809644995) |

## What reviewers say

### PDF Flow

[App page](https://appshunter.io/ios/app/pdf-flow-local-document-desk/id6775756549)

This app is an offline PDF tool for creating, viewing, editing, and organizing PDF documents directly on your device. Generate PDFs from photos or text, edit pages, compress files, and manage your local library without needing an account or uploading your data.

**Highlights:** Create PDFs from photos, text, or blank pages, Edit PDF pages, insert or remove pages, Compress PDFs with adjustable strength, Organize files with categories and favorites, Offline file management and editing, Import and export via Files app and share sheet

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

**In-app purchases:** none


### 文盲救星

[App page](https://appshunter.io/ios/app/id6810743660)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Monthly | $4.99 | per month |
| VIP Yearly | $49.99 | per year |


## Frequently asked questions

### Is PDF Flow free?

PDF Flow is free to download, with no in-app purchases.

### Is 文盲救星 free?

文盲救星 is free to download, with in-app purchases available.

### Do PDF Flow or 文盲救星 have ads?

PDF Flow shows ads; 文盲救星 does not.

### Which is updated more often, PDF Flow or 文盲救星?

PDF Flow ships an update every 4 weeks, and 文盲救星 every 11 days. Most recently, PDF Flow was updated on November 5, 2026 and 文盲救星 on November 6, 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.*