Comparison

PDF Scanner vs Instant Doc

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

Head to head
About

PDF Scanner

Easily scan documents, convert images to PDF, and manage your files offline. Secure your documents with password protection and organize them efficiently on your device. Ideal for students, professionals, and anyone needing simple, private PDF tools.

Highlights
  • Scan documents to PDF
  • Convert images to PDF
  • Merge and split PDF files
  • Password protect PDFs
  • Offline document processing
  • Organize and manage files
Features
Read full description

PDF Scanner: Smart Doc Tools is a simple, reliable, and efficient document scanning and PDF management app designed to handle everyday document tasks. It allows you to scan documents, convert images to PDF, manage files, and perform essential PDF operations directly on your device. The app is built for students, professionals, and personal users who need a fast and secure way to create, edit, and organize digital documents without relying on cloud services. Core Features Scan Documents to PDF: Use your phone camera to scan documents such as notes, receipts, forms, invoices, and IDs. The app creates clear, high-quality PDF files suitable for printing or sharing. Image to PDF Converter: Convert images from your gallery into PDF files. Combine multiple images into a single PDF document with proper page order and layout. PDF to Image: Extract pages from PDF files and save them as images. This is useful for sharing individual pages or using them in other applications. Merge PDF Files: Combine multiple PDF files into one document. Reorder files before merging to create a clean, organized PDF. Split PDF Files: Split PDF documents by page range, selected pages, or fixed intervals. Easily extract only the pages you need. Lock and Protect PDFs: Secure your PDF files by adding password protection. Keep sensitive documents private and protected on your device. Document Management: Built-in PDF reader for easy viewing Organize files in one place Quick access to recent and favorite documents Manage multiple file types including PDF, Word, Excel, and PPT Privacy and Security: All document processing is done offline No cloud uploads or external servers Your files remain on your device at all times Designed with privacy and data security in mind Fast, Offline and Easy to Use: Clean and intuitive user interface Optimized for fast performance Works without an internet connection Lightweight and efficient document tools Who Is This App For? Students scanning notes and assignments Professionals handling office documents Businesses managing invoices and contracts Anyone needing simple and secure PDF tools Why Choose PDF Scanner: Smart Doc Tools? PDF Scanner: Smart Doc Tools combines essential document scanning and PDF utilities into one easy-to-use app. It focuses on simplicity, performance, and privacy, making document management convenient and reliable for everyday use.

About

Instant Doc

Features
Read full description

Instant Doc is a fast and simple document scanner. Scan documents with your phone camera and convert them into clean PDF files in seconds. Whether you need to scan receipts, invoices, notes or contracts, Instant Doc makes the process quick and effortless. Key features • Scan documents using your camera or images • Convert scans to PDF instantly • Merge multiple PDFs into one • Split PDFs or extract pages • Enhance scans with contrast and brightness filters • Preview and rename your documents • Extract text from documents (OCR) Simple and efficient Instant Doc focuses on what matters most: scanning documents quickly and creating clean PDFs without unnecessary complexity.

Screenshots

PDF Scanner4 screens
Instant Doc4 screens

Verdict

The call

PDF Scanner and Instant Doc are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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.

UpkeepUpdate frequency

PDF Scanner ships an update monthly, Instant Doc every 3 weeks. The most recent releases landed on September 8, 2026 and September 14, 2026 respectively.

ScorecardNo meaningful differences
PDF Scanner versus Instant Doc: the parameters behind the verdict, then further details
ParameterPDF ScannerInstant Doc
PriceFreeFree
Rating1.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyMonthlyEvery 3 weeks — better
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.615.0 — better
Further details — not scored
Size36 MB121 MB
Age rating9+4+
DeveloperAsmitaben ViradiyaAxel FLEURY

In-app purchases

None

PDF Scanner

No in-app purchases

None

Instant Doc

No in-app purchases

Questions

Is PDF Scanner free?
PDF Scanner is free to download, with no in-app purchases.
Is Instant Doc free?
Instant Doc is free to download, with no in-app purchases.
Do PDF Scanner or Instant Doc have ads?
Both PDF Scanner and Instant Doc show ads.
Which is updated more often, PDF Scanner or Instant Doc?
PDF Scanner ships an update monthly, and Instant Doc every 3 weeks. Most recently, PDF Scanner was updated on September 8, 2026 and Instant Doc on September 14, 2026.

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