# AI PDF Editor: Sign, Highlight — Annotate, Fill, Convert PDF

> Mobile PDF editor for annotation, signing, conversion, and document management. (iPhone/iPad app by THK Global Limited.)

- Source: https://appshunter.io/ios/app/ai-pdf-editor-sign-highlight/id6761747079 (this page in markdown: same URL + `.md`)
- Developer: [THK Global Limited](https://appshunter.io/developer/1116488270)
- Category: Productivity, Business
- Price: Free with in-app purchases
- Rating: 5.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 17 · 146 MB
- Languages: French (France), American English, Korean, European Spanish, Hindi, Italian, Japanese, European Portuguese, Vietnamese
- Released: 2026-04-15
- Data updated: 2026-08-12
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/ai-pdf-editor-sign-highlight/id6761747079/reviews.md

## What is AI PDF Editor?

Dealing with PDFs shouldn't slow you down. AI PDF Editor gives you everything you need to edit, sign, convert, and manage documents, all from your phone, without the learning curve.

No more emailing files back and forth. No more printing just to sign something. No more downloading three different apps to do one simple task. Just open AI PDF Editor and get it done.

WHAT YOU CAN DO
Edit Like a Pro: 
Change text, update images, and modify content directly on any PDF. Whether it's a contract, a report, or a form, you're in full control. No desktop, no hassle.

Convert in Seconds:
Got a photo or a scanned document? Turn it into a clean, professional PDF instantly. Perfect for receipts, notes, IDs, or anything else you need to send or save.

Sign & Annotate with Ease:
Add your signature with a tap. Highlight important sections, leave comments, drop stamps, and fill out forms without printing a single page.

All Your Files, Always Accessible: 
Connect to your favorite cloud storage and access every document from wherever you are. Your files follow you, not the other way around.

Stay On Top Of Your Documents:
Keep everything organized in one place. Find what you need fast, manage your library easily, and stop digging through email attachments.

Try it today and see how much easier your documents can be.

## Key features

- Edit text and images in PDFs
- Convert photos/scans to PDF
- Add signatures and annotations
- Fill out forms
- Connect to cloud storage
- Organize and manage documents

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Monthly Package | $3.99 | per month |
| Yearly Package | $49.99 | per year |
| Monthly Promotion Package | $3.99 | per month |



## Frequently asked questions about AI PDF Editor

### What can I do with AI PDF Editor?

AI PDF Editor allows you to edit text and images within PDFs, convert other file types to PDF, add your signature, annotate documents, fill out forms, and connect to cloud storage for easy access. It aims to simplify document management on your mobile device.

### Is AI PDF Editor free to use?

Yes, AI PDF Editor is free to download and use. It offers in-app purchases for advanced features or premium plans, providing flexibility for users.

### What are the subscription options for AI PDF Editor?

AI PDF Editor offers a Monthly Package for $3.99 and a Yearly Package for $49.99. There is also a Monthly Promotion Package at $3.99 with a free trial. The Yearly Package includes a 3-day free trial.

### Does AI PDF Editor have ads?

No, AI PDF Editor does not contain advertisements, as indicated by the 'hasAds' flag being false.

### What devices does AI PDF Editor support?

Currently, AI PDF Editor is supported on iPhone devices. Information regarding Android or other platform support is not provided in the data.

### How often is AI PDF Editor updated?

The latest version, 1.0.8, was released on August 11, 2026, indicating recent activity. The initial release date was April 15, 2026, suggesting a consistent update schedule.

### What is the age rating for AI PDF Editor?

AI PDF Editor has an age rating of 4+, making it suitable for a wide range of users, including younger individuals who may need to interact with documents.

### How does AI PDF Editor compare to desktop PDF software?

AI PDF Editor is designed for mobile convenience, allowing users to perform essential PDF tasks like editing, signing, and converting without needing a computer. It aims to eliminate the need for multiple apps and complex desktop software for common document management needs.

## Version history (last 5 releases)

### 1.0.8 — 2026-08-11

fix bugs

### 1.0.7 — 2026-05-25

fix bugs

### 1.0.6 — 2026-05-13

fix bugs

### 1.0.5 — 2026-05-08

fix bugs

### 1.0.4 — 2026-04-24

fix bugs

## More apps by THK Global Limited

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- [Workevo](https://appshunter.io/ios/app/workevo/id1502197987)
- [AI Email Writer - Wemail](https://appshunter.io/ios/app/ai-email-writer-wemail/id6503430791)
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- [Dramini: Short Drama Films](https://appshunter.io/ios/app/dramini-short-drama-films/id6749300663)

All apps by THK Global Limited: https://appshunter.io/developer/1116488270

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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 2026-08-12.*
