Comparison

PDF Properties vs AIscanAuto

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

Head to head
About

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.

Highlights
  • View PDF property information
  • Edit title, author, subject, keywords, application
  • Delete property information
  • Save edited properties
  • View PDF content
  • Read-only for protected PDFs
Features
Read full description

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.

About

AIscanAuto

Features
Read full description

Turn your iPhone into a professional car diagnostic tool. AIScanAuto connects to your vehicle's OBD2 port via any Bluetooth or Wi-Fi ELM327 adapter and gives you instant access to fault codes, live engine data, and an AI-powered repair assistant. DIAGNOSE IN SECONDS • Read and clear DTC fault codes (Check Engine, ABS, SRS and more) • Live dashboard: RPM, speed, coolant temp, throttle, battery voltage • Freeze frame data — engine snapshot at the moment of fault AI REPAIR ASSISTANT • Chat with an AI mechanic about your specific fault codes • Get plain-language explanations of what each code means • Receive step-by-step repair recommendations • Works with on-device AI (private, no internet required) or cloud mode SMART CONNECTIVITY • Bluetooth Low Energy (BLE) OBD2 adapters — automatic reconnect • Wi-Fi OBD2 adapters — seamless connection without losing mobile internet • Supports all standard OBD2 protocols (ISO 15765, SAE J1850, ISO 9141) FOR EVERY DRIVER • Metric and imperial units • Works on iPhone and iPad • Available in English, Russian, German, Spanish • No subscription needed for core diagnostics

Screenshots

PDF Properties4 screens
AIscanAuto4 screens

Verdict

The call

The clearest difference is price: AIscanAuto at Free against PDF Properties's $2.99. AIscanAuto also leads on update cadence (every 5 weeks vs every 4 months). PDF Properties's advantage is iOS requirement (12.0 vs 18.0). 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

CostPrice · In-app purchases · Ads · Monetization

AIscanAuto is free to download; PDF Properties costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

PDF Properties ships an update every 4 months, AIscanAuto every 5 weeks. The most recent releases landed on October 8, 2026 and September 25, 2026 respectively.

Scorecard3 real differences · 7 level
PDF Properties versus AIscanAuto: the parameters behind the verdict, then further details
ParameterPDF PropertiesAIscanAuto
Price$2.99Free — better
Rating4.5 (2 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 4 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better18.0
Further details — not scored
Size8 MB32 MB
Age rating4+4+
DeveloperKei SuefujiAlex Valenchits

In-app purchases

None

PDF Properties

No in-app purchases

None

AIscanAuto

No in-app purchases

Questions

Is PDF Properties free?
PDF Properties costs $2.99, with no in-app purchases.
Is AIscanAuto free?
AIscanAuto is free to download, with no in-app purchases.
Do PDF Properties or AIscanAuto have ads?
Neither PDF Properties nor AIscanAuto shows ads.
Which is updated more often, PDF Properties or AIscanAuto?
PDF Properties ships an update every 4 months, and AIscanAuto every 5 weeks. Most recently, PDF Properties was updated on October 8, 2026 and AIscanAuto on September 25, 2026.

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