Comparison

PDF Prime vs Karax

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

Head to head
About

PDF Prime

Read full description

PDF Prime: Your One-Stop PDF Solution! PDF Prime is a powerful PDF tool offering comprehensive conversion and management features. Whether you need to convert photos, images, or other documents into PDFs, PDF Prime makes it effortless. Our app also supports text extraction from images, converting it into PDFs to help you quickly organize information. Key Features: Instant Photo-to-PDF: Snap and convert paper documents, business cards, and more into high-quality PDF files instantly. Image-to-PDF Conversion: Transform image formats like JPEG and PNG into clear, high-resolution PDF documents. Text Extraction to PDF: Extract text from images or scanned documents and create editable PDFs for easy editing and archiving. File Format to PDF: Convert a variety of file formats, including Word, Excel, and PowerPoint, into standard PDFs. Conversion History: Automatically save and manage your conversion history for easy access and organization. Smart Search: Quickly locate specific content within your PDFs to enhance productivity. Built-in PDF Preview: Preview your PDF files directly within the app for convenient viewing and verification. Let PDF Prime enhance your work and life with efficient and convenient PDF processing. Download now and experience its powerful features!

About

Karax

This intelligent assistant streamlines meeting management by summarizing agendas, capturing real-time discussions and decisions, and organizing action items. It aims to enhance team operations and ensure every meeting is productive and well-documented.

Highlights
  • Instant agenda summaries
  • Real-time discussion capture
  • Action item management
  • Seamless integrations
  • Mobile accessibility
  • Effortless documentation
Read full description

KaraX - Your AI Assistant for Meetings, Work and Productivity KaraX helps you manage meetings, tasks, notes, and daily work with the power of AI. With Aura, your built in AI assistant, you can record meetings, get summaries, track action items, chat with AI, and stay organized in one place. What You Can Do with KaraX • Record and transcribe meetings with AI • Get instant meeting summaries and action items • Ask Aura to help with planning, research, and daily tasks • Chat with AI for work, ideas, and productivity • Organize conversations, meetings, and projects in one place • Connect tools like GitHub, Outlook, HubSpot, and more • Access your recent chats, meetings, and AI workflows easily Meet Aura, Your AI Assistant Aura helps you save time by handling repetitive work and organizing important information for you. Use Aura to: • Summarize meetings • Track tasks and follow ups • Answer questions from your workspace data • Help with planning and productivity • Stay focused and organized Built for Modern Teams Whether you're working solo or with a team, KaraX helps you move faster and stay productive with AI powered assistance. Focus on important work. Let Aura handle the rest.

Screenshots

PDF Prime4 screens
Karax4 screens

Verdict

The call

The clearest difference is ads: Karax at none against PDF Prime's shown. PDF Prime's advantage is iOS requirement (14.0 vs 17.0). On price, update cadence, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

PDF Prime ships an update fortnightly, Karax monthly. The most recent releases landed on October 16, 2026 and September 29, 2026 respectively.

Scorecard2 real differences · 8 level
PDF Prime versus Karax: the parameters behind the verdict, then further details
ParameterPDF PrimeKarax
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyFortnightly — betterMonthly
AdsYesNo — better
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.0 — better17.0
Further details — not scored
Size17 MB8 MB
Age rating17+4+
DeveloperArt Fate E-Commerce Limitedc3alabs

In-app purchases

None

PDF Prime

No in-app purchases

None

Karax

No in-app purchases

Questions

Is PDF Prime free?
PDF Prime is free to download, with no in-app purchases.
Is Karax free?
Karax is free to download, with no in-app purchases.
Do PDF Prime or Karax have ads?
PDF Prime shows ads; Karax does not.
Which is updated more often, PDF Prime or Karax?
PDF Prime ships an update fortnightly, and Karax monthly. Most recently, PDF Prime was updated on October 16, 2026 and Karax on September 29, 2026.

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