Comparison

pdfManager vs Three

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

Head to head
About

pdfManager

This app allows you to store, view, and manage PDF files on your portable device. It supports password-protected documents, conversion to images, and sharing via cloud services. You can also print specific sections or entire pages.

Highlights
  • Store and view PDF files
  • Convert PDF to JPG/PNG
  • Share PDFs via cloud services
  • Print PDF pages
  • View password-protected PDFs
  • Offline PDF viewing
Features
Read full description

"pdfManager" is a "PDF" file reader. With "pdfManager" you can: 1) store the PDF files into your portable device 2) display PDF files at all times and under all conditions of work 3) convert PDF files (or a part of a page of the PDF file) into an image (JPG / PNG) 4) share the PDF documents saved in the archive of pdfManager with DROPBOX or other applications installed on the device 5) print a pages of the PDF file (or a detail of interest of a page of PDF files) using the print button of pdfManager (AirPrint) 6) load and visualize the password-protected PDF documents * The software does not need an internet connections to visualize PDF documents: each PDF file is stored on the mobile device (using the technology "iTunes File Sharing" or "Open In") and can be read by the software itself. * The PDF reader works like the integrated image viewer of the device, you can then: - Zoom IN / OUT of the document (ZOOM INFINITE) by dragging two fingers on the screen (each time you use the ZOOM INFINITE the PDF page is redrawn again ensuring the highest possible quality of visualization, even if the smallest details are visualized to full screen) - move the document (PAN TOOL) by dragging one finger across the screen - reset the current settings of zoom and pan with a double-tap - change quickly the PDF pages using the two buttons "next page" and "previous page" or typing the page number, using the keypad of the device - load and visualize the PDF files when You need: all the PDF files are stored in the pdfManager archive and are displayed in alphabetical order - save an infinite number of PDF files in the pdfManager archive (until the physical memory of the device is ended) - You can display PDF document using Portrait or Landscape orientation - You can view the PDF document using the slideshow feature (you can choose the transition time between a page and the next one) Examples of use for: 1) iWork users: Pages, Keynotes, Numbers 2) MS Office users: Word, Excel, Powerpoint 3) CAD users (technical drawings) 4) etc... -> convert to PDF files your documents/technical drawings/CAD projects, copy them into pdfManager archive (using the technology "iTunes File Sharing" or "Open In"), load and visualized all the stored PDF files with "pdfManager”, when You want. With "pdfManager" you will have always and everywhere your documents, technical drawings, CAD projects, manuals, notes, etc...

About

Three

Features
Read full description

WELCOME TO THREE Most to-do lists don’t make you productive, they make you feel behind. Three is a minimal daily planner that helps you focus on what actually matters. Just set 3 tasks per day. No overwhelm. No pressure. Just progress. HOW IT WORKS • Plan up to 3 tasks each day • Stay focused on what matters • Check them off and feel accomplished • Look back and see your progress WHY ONLY 3 TASKS? Because simple works. • Small enough to stay stress-free • Big enough to make real progress • Easy to turn into a daily habit WHO IT’S FOR • People who feel overwhelmed by long to-do lists • Creatives, students, and remote workers • Anyone who wants more clarity and less stress MINIMAL EFFORT. REAL PROGRESS. Stop trying to do everything. Start finishing what matters. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

pdfManager4 screens
Three4 screens

Verdict

The call

The clearest difference is price: Three at Free against pdfManager's $0.99. Three also leads on update cadence (every 8 days vs every 4 months). pdfManager's advantage is in-app purchases (none vs 1) and iOS requirement (16.6 vs 18.2). On 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

Three is free to download; pdfManager costs $0.99 up front. Three sells 1 one-off in-app purchase. pdfManager asks for nothing beyond the download.

UpkeepUpdate frequency

pdfManager ships an update every 4 months, Three every 8 days. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

Scorecard4 real differences · 5 level
pdfManager versus Three: the parameters behind the verdict, then further details
ParameterpdfManagerThree
Price$0.99Free — better
Rating4.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 4 monthsEvery 8 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhoneiPhone, iPad — better
Requires iOS16.6 — better18.2
Further details — not scored
Size2 MB2 MB
Age rating4+4+
DeveloperGianluca NataliniDaniel Schmidt

In-app purchases

None

pdfManager

No in-app purchases

1 purchases

Three

One-time1
  • Three Pro (Lifetime)$3.99

Questions

Is pdfManager free?
pdfManager costs $0.99, with no in-app purchases.
Is Three free?
Three is free to download, with in-app purchases available.
Do pdfManager or Three have ads?
Neither pdfManager nor Three shows ads.
Which is updated more often, pdfManager or Three?
pdfManager ships an update every 4 months, and Three every 8 days. Most recently, pdfManager was updated on October 16, 2026 and Three on October 14, 2026.

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