Comparison

SOS Security vs PDF Document Editor, Read Book

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

Head to head
About

SOS Security

Features
Read full description

SOS Security cumple con las características básicas de un módulo GPS. Acceso en línea a la información de la posición actual o última posición del vehículo. Creación de Geocercas Crear y Recibir alertas Ver los recorridos del vehículo entre otras cosas más

About

PDF Document Editor, Read Book

Edit, sign, and read PDF documents with ease. Add text, images, and signatures, convert files to and from PDF, and scan physical documents into digital format. Manage pages, merge files, and extract text using OCR technology.

Highlights
  • Add text, images, and signatures to PDFs
  • Read and annotate PDF books
  • Scan documents to PDF with OCR
  • Convert files to and from PDF
  • Merge, split, and reorder PDF pages
  • Professional e-signature creation and use
Features
Read full description

The ultimate PDF Editor and PDF Reader: + Add text, images, signatures to PDF easily. + Read PDF Books and annotate them. + Highlight, underline and strikethrough text. + Draw on PDF pages. + Get all text from your PDF with OCR PDF feature. + Manage your pages. + Converter to and from PDF. + Export and Share your edited files. Edit PDFs with Photos. Add photos and images to the pdf. + Import files, tables, slides and docs from iCloud. + Import photos from Photo Library. PDF Signature: + Sign documents professionally. + Create and save your e-signature to use it in a few taps. + Sign documents and fill forms in a few taps. PDF Scanner: + Scan documents or books to PDF. + OCR PDF. PDF Management, Manage pages in PDFs: + Merge PDF. + Combine PDF. + Split PDF. + Add, rotate, extract, reorder and delete pages in PDF files. PDF Converter: + Choose the format to which you want to convert the file. + Convert or open Word, Excel PowerPoint, TIFF, JPEG, PNG files to PDF. + Image to PDF. Document Protection: All documents are stored locally on your device, they are not available to us, nor to third parties. Subscription pricing and terms: Premium subscriptions are available to get full access in the app with flexible plans with a 3 days trial period. This app includes an auto-renewable subscription (Premium Subscription): Premium Subscription provides all features. And you get full access to the app. Payment will be charged to your Apple account at confirmation of purchase and will automatically renew (at the duration/price selected) unless auto-renew is turned off at least 24 hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. Current subscription may not be cancelled during the active subscription period. You can manage your subscription and/or turn off auto-renewal by visiting your Apple Account Settings after purchase. Also you can tap the "Manage Subscription" menu option in the App Settings. Any unused portion of the free initial period will be forfeited when you purchase a subscription. Manage Subscription: https://docs.google.com/document/d/1lnzcOaOt8fnvQvkCknEccAkbdRIPG993Ha-B6gVZDdQ/edit?usp=sharing Privacy Policy: https://docs.google.com/document/d/1ZpQXpsDtzX6j0Y5vE3_qF8FMf7OVUMl-UAdmxqzl6A4/edit?usp=sharing Terms of Use: https://docs.google.com/document/d/1LYQ3HA4uiyBMDVA6s_Ms9Z4NqoRoFESt6U4ZDRmr1jk/edit?usp=sharing

Screenshots

SOS Security4 screens
PDF Document Editor, Read Book4 screens

Verdict

The call

The clearest difference is in-app purchases: SOS Security at none against PDF Document Editor, Read Book's 6. PDF Document Editor, Read Book's advantage is update cadence (every 9 days vs every 18 months). On price, ads, device support and iOS requirement 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 Document Editor, Read Book sells 6 in-app purchases, starting at $1.99 per 7 days. SOS Security asks for nothing beyond the download.

UpkeepUpdate frequency

SOS Security ships an update every 18 months, PDF Document Editor, Read Book every 9 days. The most recent releases landed on October 17, 2026 and October 21, 2026 respectively.

Scorecard2 real differences · 7 level
SOS Security versus PDF Document Editor, Read Book: the parameters behind the verdict, then further details
ParameterSOS SecurityPDF Document Editor, Read Book
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 18 monthsEvery 9 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS1616.0
Further details — not scored
Size197 MB33 MB
Age rating17+4+
DeveloperManolo MilianOleksandr Bilyk

In-app purchases

None

SOS Security

No in-app purchases

6 purchases

PDF Document Editor, Read Book

Subscriptions6
  • PDF Editor: PDF Reader, Sign3 Days trial$1.997 Days
  • PDF Editor: PDF Reader, Sign3 Days trial$2.997 Days
  • PDF Editor: PDF Reader, Sign3 Days trial$5.991 Month
Show 3 more
  • PDF Editor: PDF Reader, Sign3 Days trial$6.991 Month
  • PDF Editor: PDF Reader, Sign3 Days trial$24.991 Year
  • PDF Editor: PDF Reader, Sign3 Days trial$34.991 Year

Questions

Is SOS Security free?
SOS Security is free to download, with no in-app purchases.
Is PDF Document Editor, Read Book free?
PDF Document Editor, Read Book is free to download, with in-app purchases available.
Do SOS Security or PDF Document Editor, Read Book have ads?
Neither SOS Security nor PDF Document Editor, Read Book shows ads.
Which is updated more often, SOS Security or PDF Document Editor, Read Book?
SOS Security ships an update every 18 months, and PDF Document Editor, Read Book every 9 days. Most recently, SOS Security was updated on October 17, 2026 and PDF Document Editor, Read Book on October 21, 2026.

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