Comparison

Ink PDF Editor vs Notator | Annotate Documents

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Ink PDF Editor

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
Read full description

Ink PDF Editor is a simple and easy-to-use PDF app. It helps you read and edit PDF files quickly and complete any PDF tasks effortlessly. • Quickly Read PDFs Quickly open and view PDF documents Enable full-text scroll, zoom in and out Choose single page or double page scroll mode • Annotate PDFs Mark up important information with professional annotation tools Various annotation styles and colors to choose from • PDF audio reading Recognize and play PDF embedded audio Support single loop/list mode • Bookmarks Add and edit bookmarks as you like to navigate your PDF documents easily

About

Notator | Annotate Documents

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
Read full description

Notator is the ultimate app for all your PDF and image annotation needs, along with seamless note-taking capabilities. It adapts effortlessly to any situation, whether you're studying, working, or simply organizing your personal life. Experience the versatility of Notator today! What does Notator have in store for you? 1. Easy Annotation on PDFs and Images Effortlessly elevate your PDFs and images using a range of editing tools like pens, text boxes, and shapes. Infuse your own style by adding annotations, whether it's making notes on drawings, creating study guides, or refining your materials to perfection. 2. Supports Apple Pencil Our platform is fully compatible with the Apple Pencil, guaranteeing a seamless and precise writing experience when working on your documents. Additionally, you have the flexibility to utilize your fingers as an alternative input method. 3. Flexible PDF Import Extract specific portions from images saved on your device, recently captured photos, or PDF materials, and seamlessly insert them into your document while editing. 4. High-Quality PDF Support No need to worry about image degradation when importing large PDFs, even ones as big as A0 size. Edit detailed drawings and extensive project materials with ease, so you can stay stress-free while working on your documents. 5. Clipping and Pasting of PDFs & Photos Extract specific portions from images saved on your device, recently captured photos, or PDF materials, and seamlessly insert them into your document while editing. 6. Zoom Function Enables zooming up to 1000%, ensuring a hassle-free experience for annotating and reviewing intricate details in drawings. 7. Intuitive Page Management Effortlessly manage pages in imported PDFs or created documents with an intuitive interface. Rearrange, duplicate, delete, or add pages with ease, putting you in complete control. 8. Cloud Storage Compatible Easily import PDFs and images from cloud storage services like iCloud, Dropbox, Box. You can also upload your own documents hassle-free. 9. Notator Pro By upgrading to Notator Pro, you unlock the following features: - Export your created documents as PDFs or JPGs to easily share them with other apps. - Edit documents created by colleagues, friends, or family on different devices (note: real-time co-editing is not available). Stay tuned for more exciting updates as we add more useful features. To register, simply head to the "Settings" menu and select "Notator Pro." And guess what? You can enjoy a free trial for the first week! ◆ Ideal for a wide range of situations including: - Annotating intricate drawings or documents with precision. - Extracting specific sections from multi-page PDFs and adding your notes. - Annotating PDFs and images stored in cloud storage effortlessly. - Cutting out sections from various PDFs and images and compiling them into a single document. ◆ Contact Us If you have any questions, problems, or requests about using the app, feel free to contact us via our contact form. https://cimtops-sglab.com/about#contact-us ◆ Terms of Service https://cimtops-sglab.com/terms ◆ Privacy Policy https://cimtops-sglab.com/privacy-policy

Screenshots

Ink PDF Editor4 screens
Notator | Annotate Documents4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 4 level
Ink PDF Editor versus Notator | Annotate Documents: the parameters behind the verdict, then further details
ParameterInk PDF EditorNotator | Annotate Documents
PriceFreeFree
Rating4.1 (35 ratings) — better2.0 (1 ratings)
Positive reviews44.4% of reviews—
Number of ratings35 — better1
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better26.0
Further details — not scored
Size27 MB30 MB
Age rating4+4+
DeveloperHefei T-Stack Information Technology Co., Ltd.CIMTOPS SG LAB Pte. Ltd.

Customer experience

Ink PDF Editor

All ratings35 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews9 reviews
Positive44.4%
Neutral22.2%
Negative33.3%

Notator | Annotate Documents

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Ink PDF Editor

No in-app purchases

2 purchases

Notator | Annotate Documents

Subscriptions2
  • Notator Pro Monthly7 Days trial$1.991 Month
  • Notator Pro Yearly7 Days trial$8.991 Year

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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