1Sim Assist vs PDF Scanner Pro .
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
1Sim Assist
This app helps international travelers make mobile calls while roaming. It automatically corrects misdialed numbers by adding international prefixes and country codes, and managing leading zeros. This reduces billing errors and user frustration.
- Automatic number correction
- Adds international prefixes
- Adds country codes
- Manages leading zeros
- Works with any SIM card
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The OneSimCard Assist app makes it easier for international travelers to make a mobile phone call while roaming internationally. The dialer of the app will automatically correct a misdialed number. The app will add international prefixes and country codes. It will also drop or add zeros where needed or prompt the user to enter a correct phone number without sending a misdialed call to the carrier for connection. These features will reduce both erroneous call billing due to misdialed numbers and aggravation during international roaming. The app also works with any SIM card, not only with OneSimCard.
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.
- 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
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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
Verdict
The clearest difference is rating: PDF Scanner Pro . at 4.5 against 1Sim Assist's 1.0. PDF Scanner Pro . also leads on ratings volume (11 vs 1). 1Sim Assist's advantage is iOS requirement (8.0 vs 16.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
PDF Scanner Pro . holds the better App Store score, 4.5 against 1.0. 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.
1Sim Assist ships an update every 5 weeks, PDF Scanner Pro . every 2 months. The most recent releases landed on October 11, 2026 and September 21, 2026 respectively.
| Parameter | 1Sim Assist | PDF Scanner Pro . |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 4.5 (11 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 11 — better |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 8.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 17 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Belmont Telecom, Inc. | Abdullah Al Mamun |
Customer experience
1Sim Assist
PDF Scanner Pro .
In-app purchases
1Sim Assist
No in-app purchases
PDF Scanner Pro .
No in-app purchases
Questions
Is 1Sim Assist free?
Is PDF Scanner Pro . free?
Which has better reviews, 1Sim Assist or PDF Scanner Pro .?
Do 1Sim Assist or PDF Scanner Pro . have ads?
Which is updated more often, 1Sim Assist or PDF Scanner Pro .?
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