PDF Properties vs Marstak
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Properties
View and edit metadata for your PDF files, including title, author, subject, keywords, and application. Protect your privacy by deleting sensitive property information before sharing documents. Access the PDF content directly from the properties screen.
- View PDF property information
- Edit title, author, subject, keywords, application
- Delete property information
- Save edited properties
- View PDF content
- Read-only for protected PDFs
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PDF Properties App displays and edits the property information of PDF document. You can check the author name of the PDF document and the file name before PDF conversion. You can also delete property information that you forgot to delete. First of all, open the PDF document on the home screen. When you open the PDF document, the property information is displayed. Property information will be displayed in 8 items for description and 7 items for security. There are five property items that can be edited: "Title", "Author", "Subject", "Keywords", and "Application". Tapping the "All Delete" button at the bottom of the screen will delete all five items. Tap the "Save" button to save the edited property item. Also, protected PDF documents are opened as read-only. Therefore, you can not edit and save the property information. If you tap the "View PDF" button, you can check the contents of the PDF document displayed in the property.
Marstak
Take full command of your smart home cleaning devices. Create custom cleaning schedules, map your home, and define specific zones for targeted or restricted cleaning. Monitor your devices remotely for a spotless home.
- Smart mapping and room division
- Customizable cleaning schedules
- Zone and no-go zone definition
- Multi-level floor mapping
- Real-time remote monitoring
- Adjustable suction power
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The Marstak app has been designed to give you total control over your Marstak home and personal cleaning products from robotic vacuum cleaners to handhold mopping cleaner etc. ---- Robot Cleaner Features Highlight---- Smart Mapping After its first-round job at your home, your Marstak robot cleaner will show you the floor map, automatically divides your rooms, and unlock the customization options. Scheduling Set multiple appointments from hourly to daily to weekly and cover different rooms respectively. You clean the house when nobody is at home. Customized Cleaning Tailor the cleaning jobs to meet the demands of each room. Tune up suction power for the nursery, or tune down suction power when you need a quieter environment. The control is your hands. Zone Cleaning Draw up to 30 zones (shared with no-go zones), and clean each zone twice. No-Go Zones Set up to 30 No-Go Zones (shared with zones above) to keep the robot away from complicated locations. Multi-Level Mapping Save multiple maps of your home and tailor cleaning jobs to match each floor. Real time Monitoring Monitor your robot works at your home and oversee the progress even remotely. Contact Us E-mail: service@marstak.net
Screenshots
Verdict
The clearest difference is review sentiment: PDF Properties at 50% against Marstak's 0%. PDF Properties also leads on rating (4.5 vs 1.0). Marstak's advantage is price (Free vs $2.99) and iOS requirement (9.0 vs 12.0). On ratings volume, update cadence, ads and in-app purchases 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
Marstak is free to download; PDF Properties costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
PDF Properties holds the better App Store score, 4.5 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 50% of PDF Properties's written reviews are positive against 0% of Marstak's.
PDF Properties ships an update every 4 months, Marstak every 3 months. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.
| Parameter | PDF Properties | Marstak |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 4.5 (2 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 50.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 78 MB |
| Age rating | 4+ | 4+ |
| Developer | Kei Suefuji | Marstak Technology Pte Ltd |
Customer experience
PDF Properties
Marstak
In-app purchases
PDF Properties
No in-app purchases
Marstak
No in-app purchases
Questions
Is PDF Properties free?
Is Marstak free?
Which has better reviews, PDF Properties or Marstak?
Do PDF Properties or Marstak have ads?
Which is updated more often, PDF Properties or Marstak?
Other comparisons
