Comparison

pdf vs Trex MG

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

Head to head
About

pdf

Manage and annotate PDF files on your iPad with fast page turning and intuitive finger-writing. Easily import PDFs, organize them into bookshelves, and export annotated versions via email. Features include zoom, cropping, and multiple pen options.

Highlights
  • Fast page turning and scanning
  • Intuitive finger-writing and annotation
  • Easy PDF import via Dropbox, Email, iTunes
  • Categorized bookshelves with search
  • Export annotated PDFs via email
  • Pinch zoom and crop page margins
Read full description

[notice] pdf-notes for iPad (ads) involves advertisements. Paid version is available at http://itunes.apple.com/app/id4172008446 Utilize pdf-notes to manage all the pdf files on your iPad. Fast display, quick page-turning even a thousand pages, useful finger-writing and email your notes to your friends. Differentiation-1. While turning pages of paperbooks fast, you can glance over the pages. While turning pages of pdf-notes fast, you can still run over the contents. Speedy page turning and scanning the contents with pdf-notes or paperbooks. Differentiation-2. There are many pdf readers allow you to annotate; but do you know which app allows you can write any notes in a second? If you are using pdf-notes, you may experience very fast and intuitive finger-writing like: zoom-in and note by double-tap or; writing with one finger, page-turning with two fingers, pen-changing with three fingers. - Easy importing PDF files through (DropBox, Email or Safari's) "Open In..." or iTunes - Categorized multiple bookshelves(booklists) with powerful search - Displaying pages as optimized size 1024x768 of iPad - Portrait and landscape view - Pinch zoom and crop page-margins - Fast loading and Speedy page-turning - Finger-writing with a variety of pens, highlighters and text notes - Easy "zoom-in and note" on a magnified screen by a double tap - One-step page-turning using 2 fingers on editing mode - One-step pen-changing or undo/redo using 3 fingers on editing mode - Exporting annotated PDF files to Email - External display and screen brightness controls - AirPrint and multi-tasking Misunderstandings about pdf-notes: - Not only pdf-notes but every app recently updated is removed from the open-in menu because iOS5 or formers currently show only 10 apps in open-in menu. - iPad/iphone Mail/iBooks can't display PDF annotations so that please open it in the other pdf apps. - please visit the support site for more information http://bit.ly/f6D31P Blog http://pdf-notes.com Email musebook@musebook.com Twitter http://twitter.com/musebook4u YouTube http://youtu.be/4AyRyFq9yxg NOTE: All content contained herein is subject to change without notice.

About

Trex MG

Features
Read full description

TrexMG (Trex Meet & Greet) is a platform that connects verified Airport Representatives (freelancers) with airport meet-and-greet assignments. Any eligible user can apply through the app to become an Airport Assistant. Once approved, assistants can receive, manage, and complete airport and hotel guest-handling tasks. TrexMG helps assistants work efficiently by providing real-time access to assignments, flight details, guest information, paging board images, hotel details, and more — all in one place. Key Features Public Signup & Verification Anyone can apply to become an Airport Representative through the app. Our team verifies your details before activating your account. Assignment Dashboard View upcoming, ongoing, and completed assignments with clear instructions, timings, and guest details. Manage Your Workflow Accept or decline assignments, track status, and review instructions directly from the app. TrexMG is designed for freelancers and part-time/contract Airport Representatives who support airport meet & greet operations. Join us and start receiving assignments after a quick verification process.

Screenshots

Trex MG3 screens

Verdict

The call

The clearest difference is in-app purchases: Trex MG at none against pdf's 3. Trex MG also leads on ads (none vs shown) and device support (3 vs 1). pdf's advantage is update cadence (every 3 weeks vs every 2 months). On price 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. pdf sells 3 one-off in-app purchases. Trex MG asks for nothing beyond the download.

UpkeepUpdate frequency

pdf ships an update every 3 weeks, Trex MG every 2 months. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

Scorecard5 real differences · 5 level
pdf versus Trex MG: the parameters behind the verdict, then further details
ParameterpdfTrex MG
PriceFreeFree
Rating3.3 (22 ratings) — better—
Positive reviews68.3% of reviews—
Number of ratings22 — better—
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPadiPhone, iPad, iPod — better
Requires iOS16.013.0 — better
Further details — not scored
Size141 MB34 MB
Age rating4+17+
DeveloperAMuseTec Co., Ltd.Marvel Tours PVT. LTD.

Bugs and requests

pdf

Reported bugs

4 issues
  • Annotated PDFs losing data during export
  • Crashes after recent app updates
  • Inconsistent behavior when switching between apps
  • Incorrect page numbering and navigation

Requested features

5 requests
  • Add text typing and editing capabilities
  • Implement a table of contents feature
  • Improve integration with cloud storage services
  • Allow custom organization of PDF files
  • Enhance the note-taking experience

Trex MG

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

pdf

One-time3
  • 2-Month Pass$0.99
  • 1-Year Pass$4.99
  • Lifetime License$9.99
None

Trex MG

No in-app purchases

Questions

Is pdf free?
pdf is free to download, with in-app purchases available.
Is Trex MG free?
Trex MG is free to download, with no in-app purchases.
Do pdf or Trex MG have ads?
pdf shows ads; Trex MG does not.
Which is updated more often, pdf or Trex MG?
pdf ships an update every 3 weeks, and Trex MG every 2 months. Most recently, pdf was updated on October 10, 2026 and Trex MG on October 12, 2026.

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