# String PDF - Editor & Scan — Photo Scan, Editor & Compress

> Photo Scan, Editor & Compress (iPhone/iPad app by 帆 闵.)

- Source: https://appshunter.io/ios/app/string-pdf-editor-and-scan/id6761089665 (this page in markdown: same URL + `.md`)
- Developer: [帆 闵](https://appshunter.io/developer/1770098553)
- Category: Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 13.0 · 16 MB
- Languages: English, Chinese
- Released: 2026-05-20
- Data updated: 2026-08-23
- User reviews in markdown: https://appshunter.io/ios/app/string-pdf-editor-and-scan/id6761089665/reviews.md

## What is String PDF?

This is a powerful and easy-to-use all-in-one PDF tool, specially designed to enhance your work and study efficiency. Whether editing documents, converting formats, or scanning paper files, it can handle everything with ease.

Powerful All-in-One PDF Solution
• Freely add/delete/rotate pages, insert text, images, signatures, and watermarks; highlight, annotate, underline, and draw to complete professional-level modifications effortlessly.
• Convert PDF to and from images and multiple other formats, perfectly preserving the original layout with faster speed and higher accuracy.
• Your phone camera instantly becomes a scanner. Scan invoices, contracts, notes, and books with automatic skew correction, noise reduction, and text enhancement, generating searchable PDFs.
• PDF Merge: Quickly combine multiple files.
• PDF Split: Split documents by page or custom range.
• PDF Compress: Reduce file size for easy sharing.
• PDF Encrypt: Set passwords to protect important files.
• PDF Decrypt: Quickly remove known password restrictions.
• Add page numbers, cropping, and removal of blank pages.

Product Advantages
• Clean and intuitive interface design — even beginners can get started quickly.
• Ultra-fast processing: High-performance engine completes tasks in seconds.
• Full feature coverage to meet multi-scenario needs.
• Secure and reliable: Prioritizes local processing to protect your private data.
• Intelligent optimization: Automatically identifies and enhances document quality.

We are committed to becoming your portable PDF office assistant, making complex document processing simple and efficient.

Subscription Information
- You can view subscription prices and upgrade to unlock all features through the in-app purchase page.
- Payment: Payment will be charged to your iTunes account upon purchase confirmation.
- Renewal: For monthly subscriptions, Apple iTunes will charge your account 24 hours before the subscription period ends. After a successful charge, the subscription period will be extended.
- Cancellation: To cancel auto-renewal, go to "iTunes Store & App Store," tap "Apple ID," select "View Apple ID," and then access the "Account Settings" page. Tap "Subscriptions" and choose the subscription you wish to cancel.

Privacy Policy: https://docs.qq.com/doc/p/bacebe1051939b3b9fce5bfdbd3a0cbdb7389bf7
Agreement: https://docs.qq.com/doc/p/679a4db75ee2e565315bba5e46b38c6e4f8aff71

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Premium Membership | $0.99 | per 7 days |
| Premium Membership | $1.99 | per month |



## Version history (last 3 releases)

### 1.1.1 — 2026-05-25

1. Bug Fix
2. Function optimization

### 1.1.0 — 2026-05-20

1. Bug Fix
2. Function optimization

### 1.0.0 — 2026-05-20

No release notes.

## More apps by 帆 闵

- [素问 · 黄帝内经](https://appshunter.io/ios/app/id6720714051)
- [道 · 道德经](https://appshunter.io/ios/app/id6737817710)
- [山海经 - 白话版&异兽图鉴和神话故事&志怪古籍和妖怪传说](https://appshunter.io/ios/app/and-and/id6737967412)
- [伤寒论全解](https://appshunter.io/ios/app/id6738409443)
- [Photo Compress & Resize Image](https://appshunter.io/ios/app/photo-compress-and-resize-image/id6748044857)

All apps by 帆 闵: https://appshunter.io/developer/1770098553

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-23.*