# Ink PDF Editor vs Notator | Annotate Documents

The clearest difference is rating: Ink PDF Editor at 4.1 against Notator | Annotate Documents's 2.0. Ink PDF Editor also leads on in-app purchases (none vs 2) and ratings volume (35 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Notator | Annotate Documents sells 2 in-app purchases, starting at $1.99 per month. Ink PDF Editor asks for nothing beyond the download.

Ink PDF Editor holds the better App Store score, 4.1 against 2.0. That said, the two scores are not equally well evidenced: Ink PDF Editor has 35 ratings behind it against 1, so its average is the more settled of the two.

Ink PDF Editor ships an update every 3 weeks, Notator | Annotate Documents every 2 months. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Ink PDF Editor | Notator | Annotate Documents |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (35 ratings)](https://appshunter.io/ios/app/ink-pdf-editor/id1517573208/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/notator-annotate-documents/id6447326736/reviews) |
| Number of ratings | **35** | 1 |
| Positive reviews | 44.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | **Free** | Freemium |
| Size | 27 MB | 30 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hefei T-Stack Information Technology Co., Ltd.](https://appshunter.io/developer/1514322478) | [CIMTOPS SG LAB Pte. Ltd.](https://appshunter.io/developer/1657070999) |

## What reviewers say

### Ink PDF Editor

[App page](https://appshunter.io/ios/app/ink-pdf-editor/id1517573208)

This application allows users to quickly read, annotate, and edit PDF documents. It offers tools for marking up important information, navigating through documents with bookmarks, and even playing embedded audio. The app provides a straightforward way to manage PDF files on mobile devices.

**Highlights:** Quick PDF reading and viewing, Full-text scroll and zoom, PDF annotation tools, Embedded PDF audio playback, Bookmark creation and management

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

**In-app purchases:** none


### Notator | Annotate Documents

[App page](https://appshunter.io/ios/app/notator-annotate-documents/id6447326736)

This app allows for detailed annotation of PDFs and images with various tools, including support for Apple Pencil. It offers flexible import options, high-quality rendering for large files, and intuitive page management. Upgrade to Pro for advanced export and editing capabilities.

**Highlights:** PDF and image annotation, Apple Pencil support, Flexible PDF import, High-quality PDF support, Zoom up to 1000%, Intuitive page management, Cloud storage integration

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Notator Pro Monthly | $1.99 | per month |
| Notator Pro Yearly | $8.99 | per year |


## Frequently asked questions

### Is Ink PDF Editor free?

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

### Is Notator | Annotate Documents free?

Notator | Annotate Documents is free to download, with in-app purchases available.

### Which has better reviews, Ink PDF Editor or Notator | Annotate Documents?

Ink PDF Editor is rated higher. Ink PDF Editor averages 4.1 out of 5 from 35 ratings, while Notator | Annotate Documents averages 2.0 from 1 ratings.

### Do Ink PDF Editor or Notator | Annotate Documents have ads?

Neither Ink PDF Editor nor Notator | Annotate Documents shows ads.

### Which is updated more often, Ink PDF Editor or Notator | Annotate Documents?

Ink PDF Editor ships an update every 3 weeks, and Notator | Annotate Documents every 2 months. Most recently, Ink PDF Editor was updated on October 5, 2026 and Notator | Annotate Documents on October 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.*