Comparison

Atom PDF vs Smart PDF

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

Head to head
About

Atom PDF

This app streamlines document workflows with features like PDF creation from images, versatile editing tools, and AI-powered chat support. It offers curated templates for business and personal use, along with local PDF reading and document history management.

Highlights
  • Convert images to PDF
  • Merge, split, crop PDFs
  • Business and personal templates
  • AI chat assistant for PDF queries
  • Local PDF reading
  • Document history management
Features
Read full description

Atom PDF is designed to enhance your productivity and streamline your document workflows. With a focus on flexibility and usability, Atom PDF offers a robust set of features suitable for a variety of business and personal needs. Key Features: #PDF Creation: Convert images to high-quality PDFs efficiently, making it easy to digitize and share documents. #Versatile PDF Editing: Manage your PDFs with essential tools including merging, splitting, cropping, and page reordering for customized document organization. #Curated PDF Templates: Access a selection of practical templates such as Bill of Lading, Confidentiality Agreement, Labour Contract, Meeting Agenda, Meeting Minutes, Quotation, Resume, and Sales Contract. These templates are designed to support common business and administrative tasks. #AI Chat Assistant: Utilize AI-powered chat support to assist with document preparation and answer PDF-related queries, supporting smoother workflow management. #Local PDF Reading: Open and read PDF files on your device with a responsive and user-friendly interface. #Document History Management: Keep track of your revision history and access previous document versions when needed. Atom PDF aims to offer a comprehensive toolkit for daily PDF management, allowing you to handle documents with confidence whether in a professional or personal context. Explore efficient PDF processing and document solutions with Atom PDF.

About

Smart PDF

Easily manage and process PDF files with this powerful tool. Convert PDFs to images, create PDFs from images, and merge multiple documents seamlessly. Streamline your workflow and enhance productivity with its intuitive interface.

Highlights
  • Convert PDFs to images
  • Transform images into PDFs
  • Merge multiple PDF files
  • Intuitive interface
  • Boost productivity
Features
Read full description

Smart PDF is a powerful and user-friendly PDF processing tool designed to provide an efficient and seamless PDF file management experience. Whether you need to convert PDFs to images, transform images into PDFs, or merge multiple PDF files, Smart PDF handles it effortlessly. With its intuitive interface and robust functionality, it helps you save time and boost productivity, making PDF operations smarter and more convenient than ever. PDF ∪ PDF = PDF PDF = PDF₁ + PDF₂ + ... IMG₁, IMG₂, ... → PDF SCAN(IMG) → PDF IMG₁ ↓ IMG₂ ↓ IMG₃ ↓ ... ↓ LongImage

Screenshots

Atom PDF4 screens
Smart PDF4 screens

Verdict

The call

The clearest difference is rating: Atom PDF at 4.8 against Smart PDF's 4.1. Smart PDF's advantage is update cadence (weekly vs every 2 months) and ratings volume (1.2K vs 4). On price, ads, in-app purchases and monetization model 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

Atom PDF holds the better App Store score, 4.8 against 4.1. That said, the two scores are not equally well evidenced: Smart PDF has 1.2K ratings behind it against 4, so its average is the more settled of the two.

UpkeepUpdate frequency

Atom PDF ships an update every 2 months, Smart PDF weekly. The most recent releases landed on September 20, 2026 and September 21, 2026 respectively.

Scorecard3 real differences · 7 level
Atom PDF versus Smart PDF: the parameters behind the verdict, then further details
ParameterAtom PDFSmart PDF
PriceFreeFree
Rating4.8 (4 ratings) — better4.1 (1.2K ratings)
Positive reviews—25.0% of reviews
Number of ratings41.2K — better
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.0 — better14.0
Further details — not scored
Size71 MB34 MB
Age rating4+9+
DeveloperBHIPSTER WORLD NETWORK TECH LIMITEDORBITAL TECH PTE. LTD.

Customer experience

Atom PDF

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Smart PDF

All ratings1,162 ratings
Positive74.6%
Neutral7.4%
Negative18.0%
Written reviews20 reviews
Positive25.0%
Neutral5.0%
Negative70.0%

In-app purchases

None

Atom PDF

No in-app purchases

None

Smart PDF

No in-app purchases

Questions

Is Atom PDF free?
Atom PDF is free to download, with no in-app purchases.
Is Smart PDF free?
Smart PDF is free to download, with no in-app purchases.
Which has better reviews, Atom PDF or Smart PDF?
Atom PDF is rated higher. Atom PDF averages 4.8 out of 5 from 4 ratings, while Smart PDF averages 4.1 from 1.2K ratings.
Do Atom PDF or Smart PDF have ads?
Neither Atom PDF nor Smart PDF shows ads.
Which is updated more often, Atom PDF or Smart PDF?
Atom PDF ships an update every 2 months, and Smart PDF weekly. Most recently, Atom PDF was updated on September 20, 2026 and Smart PDF on September 21, 2026.

Other comparisons