PDF Properties vs Spider mini
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.
Spider mini
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Mini browser for the Watch. Features of the Watch app: - Visit your favorite websites on the watch - Keyword search via popular search engines - Quick search from complications - Search or browsing history - Favorite websites - Offline website snapshots (requires the iPhone app) Features of the iPhone app: - Create website snapshot then sync to the watch for offline browsing or add as favorite P.S. Spider mini doesn't need the iPhone app to run, it works independently on the watch with WiFi or Cellular connection. However we've built an iPhone helper app (the companion app of the watch app) which you may find useful.
Screenshots
Verdict
The clearest difference is update cadence: Spider mini at every 9 days against PDF Properties's every 4 months. Spider mini also leads on price ($1.99 vs $2.99). PDF Properties's advantage is iOS requirement (12.0 vs 17.0). On ads, in-app purchases 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
PDF Properties costs $2.99 and Spider mini $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
PDF Properties ships an update every 4 months, Spider mini every 9 days. The most recent releases landed on September 21, 2026 and September 17, 2026 respectively.
| Parameter | PDF Properties | Spider mini |
|---|---|---|
| Price | $2.99 | $1.99 — better |
| Rating | 4.5 (2 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 4 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, Apple Watch |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 8 MB | 2 MB |
| Age rating | 4+ | 17+ |
| Developer | Kei Suefuji | Kai Luo |
In-app purchases
PDF Properties
No in-app purchases
Spider mini
No in-app purchases
Questions
Is PDF Properties free?
Is Spider mini free?
Do PDF Properties or Spider mini have ads?
Which is updated more often, PDF Properties or Spider mini?
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