Comparison

Atomic Connect vs PDF Combiner

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

Head to head
About

Atomic Connect

Read full description

Send actionable notifications, called action cards, from the Atomic Workbench and experience the look and feel on your device with the Atomic Connect app. With the app, you can: - See a list of cards to action - View a single card to action - See the different methods that can be used to embed Atomic in an app - Submit, dismiss and snooze cards - Send feedback on cards - Receive push notifications The Atomic Connect app requires iOS 10 or later.

About

PDF Combiner

Easily manage PDF files with a user-friendly interface. Merge, split, and extract pages from documents offline. Convert images to PDF and secure your files with passwords.

Highlights
  • Merge PDF documents
  • Split PDF into pages
  • Extract specific pages
  • Document scanner
  • Set/remove PDF password
  • Images to PDF converter
  • Compress and resize images
Features
Read full description

A practical PDF editor and PDF converter built for clear everyday document work. The app gives you a simple way to organize, edit, convert, and prepare PDF documents without relying on complicated software or web-based tools. It is designed for users who need a dependable PDF workflow for work, study, and personal files. Most tools work offline and process documents directly on your device. This helps you work with important files while keeping them under your control, especially when online PDF services are restricted. The only tool that requires an internet connection is Office to PDF, used for converting Word, Excel, and PowerPoint files to PDF. Base PDF tools: • Merge PDF. Combine multiple PDF documents and images into one PDF file. • Images to PDF. Create PDF documents from photos, scans, and image files. • Extract PDF Pages. Save selected pages from a PDF as a new document. • Edit PDF Pages. Reorder, rotate, or delete pages in a PDF document. • Split PDF. Break one PDF document into smaller PDF files. • Scan Documents. Capture documents with your camera and save them as high-quality PDF files. • Protect PDF. Add or remove password protection from a PDF document. Removing protection requires the correct password. • Add Page Numbers to PDF. Place page numbers where you need them in a document. • Align PDF Page Width. Align page width across a PDF document for a more consistent layout. • Text Recognition OCR. Recognize text in scanned documents and images. • Sign PDF. Add a signature to a PDF document. • Compress and Resize Photos. Reduce image file size and adjust image dimensions. Some tools are available in the Pro version: • Compress PDF. Reduce PDF file size for easier sharing and storage. • Office to PDF. Convert Word, Excel, and PowerPoint files to PDF. This tool requires an internet connection. • Photo Templates for PDF. Turn photos into styled PDF documents using templates. • PDF to Images. Export selected PDF pages or a full PDF document as image files. • Add Watermark to PDF. Add text or image watermarks to PDF documents. Privacy Policy https://docs.google.com/document/d/1Ey7ZxLODDc1tQ1_N08LCTCwsi2jnHXEbMZugFv_AiUk/edit?usp=sharing Terms of Use https://docs.google.com/document/d/1BjWeGxiOgNmTs-eCTKq5Y0LfgDBe_sVHDS1h22ZsZ9w/edit?usp=sharing

Screenshots

Atomic Connect4 screens
PDF Combiner4 screens

Verdict

The call

The clearest difference is in-app purchases: Atomic Connect at none against PDF Combiner's 11. Atomic Connect also leads on iOS requirement (12.0 vs 18.0). On price, update cadence, ads and device support 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 Combiner sells 11 in-app purchases, starting at $3.99 per month. Atomic Connect asks for nothing beyond the download.

UpkeepUpdate frequency

Atomic Connect ships an update every 3 weeks, PDF Combiner every 2 weeks. The most recent releases landed on October 14, 2026 and October 20, 2026 respectively.

Scorecard2 real differences · 8 level
Atomic Connect versus PDF Combiner: the parameters behind the verdict, then further details
ParameterAtomic ConnectPDF Combiner
PriceFreeFree
Rating—4.8 (293 ratings) — better
Positive reviews—77.3% of reviews
Number of ratings—293 — better
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS12.0 — better18.0
Further details — not scored
Size14 MB30 MB
Age rating4+4+
DeveloperAtomic.io LimitedEvgeniy Konev

Bugs and requests

Atomic Connect

Not enough reviews yet to summarise bugs or requests.

PDF Combiner

Reported bugs

2 issues
  • Password remover not working
  • Saving/resolution issues

Requested features

5 requests
  • Add OCR function
  • Implement cropping/resizing
  • Extend PDF merge limit
  • Improve free version features
  • Clarify "forever" option

In-app purchases

None

Atomic Connect

No in-app purchases

11 purchases

PDF Combiner

Subscriptions7
  • Monthly7 Days trial$3.991 Month
  • Pro Weekly$4.997 Days
  • Yearly3 Days trial$9.991 Year
Show 4 more
  • Monthly$9.991 Month
  • 6 Months3 Days trial$24.996 Months
  • Pro Yearly7 Days trial$29.991 Year
  • Pro Yearly3 Days trial$29.991 Year
One-time4
  • Special offer$4.99
  • Pro-version$6.99
  • PRO Forever Special$24.99
Show 1 more
  • PRO Forever$49.99

Questions

Is Atomic Connect free?
Atomic Connect is free to download, with no in-app purchases.
Is PDF Combiner free?
PDF Combiner is free to download, with in-app purchases available.
Do Atomic Connect or PDF Combiner have ads?
Neither Atomic Connect nor PDF Combiner shows ads.
Which is updated more often, Atomic Connect or PDF Combiner?
Atomic Connect ships an update every 3 weeks, and PDF Combiner every 2 weeks. Most recently, Atomic Connect was updated on October 14, 2026 and PDF Combiner on October 20, 2026.

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