Comparison

1Sim Connect vs PDF Scanner Pro .

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

Head to head
About

1Sim Connect

Make free calls and send free SMS messages to any OneSimCard phone worldwide. Requires a simple activation by the OneSimCard recipient. Enjoy cost-free communication with an internet connection.

Highlights
  • Free calls to OneSimCard phones
  • Free SMS to OneSimCard phones
  • Requires internet connection
  • Activation by recipient needed
  • Global communication
Features
Read full description

OneSimCard Connect allows you to make calls to a OneSimCard phone at no cost. All you need is an internet connection and you can call to a OneSimCard phone for FREE anywhere in the world. Calling to OneSimCard for free requires a simple activation of this feature by OneSimCard Customer you will be calling to. This is done from My SIM Cards menu of OneSimCard.com. The app also lets you send free SMS text messages to a OneSimCard phone. These SMS text messages are free not just for the sender, but also for the receiver! What's better than free?

About

PDF Scanner Pro .

This app provides a comprehensive suite of tools for scanning, editing, converting, and organizing PDF documents. Easily scan physical documents with your camera, modify text, add signatures, and merge multiple files into one. It supports various import and export formats for seamless document management.

Highlights
  • Scan documents with camera
  • Edit text and add annotations
  • Convert various file types to PDF
  • Import from cloud storage
  • Add custom signatures
  • Organize and merge PDF pages
  • Share and print PDFs
Features
Read full description

Discover the ultimate PDF & scanning companion with PDF Ultra app. Whether you need to scan documents on the go, edit PDFs with ease, convert files into portable documents, or simply read PDFs effortlessly, our app provides a comprehensive suite of tools at your fingertips. No fancy tools to make you confuse. SCAN DOCUMENTS TO PDF: - Instantly scan documents, receipts, notes, and more using your device's camera. - Our advanced image processing ensures clarity and accuracy every time. - Improve the appearance of documents by applying necessary filters. - Resize documents by crop & rotate tools. EDIT DOCUMENTS WITH EASE: - Modify documents with precision. - Highlight texts, add annotations, underline and strikethrough, all in any color of your choice. - Add shapes like circle, rectangle to make highlights more visible. - Use Apple Pencil with iPad Pro to improve your precision - Remove unwanted drawings or annotations by smart eraser tool in your hand. DOCUMENT IMPORT FACILITIES: - PDF Ultra is not limited to scanning only. - You can import documents from Photos, Files, iCloud. - You can also import from installed cloud storages like Google Drive, One Drive, Drop Box etc. - Is the imported document password protected? Don’t worry. PDF Ultra is smart enough to detect protection, will prompt to enter the password to unlock the document. SIGN DOCUMENTS: - Adding signature was never so easy. - Add a custom and precise signature in any position on any page of your document. - Create and add signatures using our smart and smooth signature board. No limitations on color, size and shape. - You can also add a signature by importing pre-edited one from your Photos. - Or by taking a photo instantly with your phone's camera. - Add the same signature to all document pages. The signatures you add will be remembered. CONVERT FILES: - Import various types of files onto PDF Ultra app and it will convert the files to PDF instantly. - Types of Pictures we support: PNG, JPEG, HEIC, TIFF. - Types of Text and Word files we support: MS Word DOC, MS Word DOCX, TXT. - You can also convert your saved PDF files into images/pictures using the share option. - You do not need any internet connection to convert files. ORGANIZE DOCUMENT PAGES: - Is the order of your created or imported document pages incorrect? The page organiser is here to rescue! - You can re-arrange pages using simple & smooth drag-and-drop. - Delete existing pages. - Add new pages. MERGE DOCUMENTS: - Merge multiple PDFs into a single PDF file. - Shuffle the placement of files using simple drag-and-drop. SEND & SHARE: - Directly email and print PDFs from yourPDF Ultra app with just a few finger taps. - Share PDFs to your friends via WhatsApp, Messenger, Airdrop, etc. It's not limited to PDFs only, you can also share as pictures. - You can save your documents to your Files & iCloud as PDF and to Photos as pictures. - While sending, sharing or saving your can secure your documents by adding a password from Settings. ULTIMATE READER: - A complete PDF reader app you will definitely love. - Portrait and landscape support while reading. - If your device is in landscape mode, it will automatically rotate your document to landscape for a better, large scale view. DOCUMENTS LOCATION: - All documents are stored locally on your device. - Documents are not available to us, nor to any third parties. - You are the only person in charge of your documents. WE NEVER ADD WATERMARKS TO YOUR DOCUMENTS. NO ANNOYING ADS ARE THERE AT ALL. PDF Ultra is designed for professionals, students, and anyone who deals with scanning & PDF documents daily. Enhance productivity and streamline your workflow with our powerful features and user-friendly interface. Terms of Use: https://easycraftsoft.com/pdfultra/terms Privacy Policy: https://easycraftsoft.com/pdfultra/privacy Whether you have a question or feedback, please reach us at https://easycraftsoft.com/#contact

Screenshots

1Sim Connect3 screens
PDF Scanner Pro .4 screens

Verdict

The call

The clearest difference is rating: 1Sim Connect at 5.0 against PDF Scanner Pro .'s 4.5. 1Sim Connect also leads on iOS requirement (6.1 vs 16.0). PDF Scanner Pro .'s advantage is ratings volume (11 vs 1). On price, review sentiment, update cadence and ads 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

1Sim Connect holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: PDF Scanner Pro . has 11 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

1Sim Connect ships an update every 3 months, PDF Scanner Pro . every 2 months. The most recent releases landed on October 3, 2026 and September 21, 2026 respectively.

Scorecard3 real differences · 7 level
1Sim Connect versus PDF Scanner Pro .: the parameters behind the verdict, then further details
Parameter1Sim ConnectPDF Scanner Pro .
PriceFreeFree
Rating5.0 (1 ratings) — better4.5 (11 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings111 — better
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad
Requires iOS6.1 — better16.0
Further details — not scored
Size15 MB27 MB
Age rating4+4+
DeveloperBelmont Telecom, Inc.Abdullah Al Mamun

Customer experience

1Sim Connect

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

PDF Scanner Pro .

All ratings7 ratings
Positive85.7%
Neutral0.0%
Negative14.3%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

1Sim Connect

No in-app purchases

None

PDF Scanner Pro .

No in-app purchases

Questions

Is 1Sim Connect free?
1Sim Connect is free to download, with no in-app purchases.
Is PDF Scanner Pro . free?
PDF Scanner Pro . is free to download, with no in-app purchases.
Which has better reviews, 1Sim Connect or PDF Scanner Pro .?
1Sim Connect is rated higher. 1Sim Connect averages 5.0 out of 5 from 1 ratings, while PDF Scanner Pro . averages 4.5 from 11 ratings.
Do 1Sim Connect or PDF Scanner Pro . have ads?
Neither 1Sim Connect nor PDF Scanner Pro . shows ads.
Which is updated more often, 1Sim Connect or PDF Scanner Pro .?
1Sim Connect ships an update every 3 months, and PDF Scanner Pro . every 2 months. Most recently, 1Sim Connect was updated on October 3, 2026 and PDF Scanner Pro . on September 21, 2026.

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