Comparison

PDF Editor vs K37 Simple Projects

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

Head to head
About

PDF Editor

Transform your device into a mobile office for efficient PDF management. Extract text from images, edit documents, convert images to PDF, and organize files with ease. This all-in-one utility offers a user-friendly interface for students and professionals.

Highlights
  • Smart OCR and text recognition
  • Professional PDF editing tools
  • Image to PDF conversion
  • Batch image conversion
  • Page management
  • Easy file import and sharing
Features
Read full description

Transform your iPhone into a powerful mobile office with PDF Editor - Convert File. Whether you are a student, a business professional, or just organizing personal documents, our app provides you need to manage PDFs efficiently. KEY FEATURES Smart OCR & Text Recognition • Extract Text: Instantly recognize and extract text from images or scanned documents. • Digitize Docs: Convert paper notes, book pages, or receipts into editable digital text files. • High Accuracy: Powered by advanced scanning technology to ensure precise recognition. Professional PDF Editor • Page Management: Easily add, delete, or rearrange pages to organize your document exactly how you want it. • Annotate & Mark Up: Highlight key information, add text notes to improve readability. • Personalize: Make your documents stand out with custom editing tools. Image to PDF Converter • Batch Conversion: Import multiple images at once and merge them into a single, high-quality PDF file. • Clean Layout: Automatically align and format images for a polished look. Perfect for creating portfolios, photo albums, or ID copies. Easy File Management • Quick Import: Seamlessly import PDFs from your system files or other apps. • Open & Read: A smooth, fast viewing experience for all your PDF documents. • Share Anywhere: Export and share your finished documents via email or social media with just a tap. Why Choose PDF Editor? • User-Friendly Interface: Designed for simplicity and speed. • Privacy Focused: We respect your data; files are processed securely. • All-in-One Utility: No need to switch between a scanner app, an editor app, and a converter app. Contact Us Have questions or suggestions? We'd love to hear from you. Email: contactus@wellresion.com Subscription Information: We offer a subscription service to provide users with an ad-free version. • Upon confirmation of subscription, the fee will be charged to your iTunes account at the time of purchase confirmation. • Subscriptions will automatically renew unless auto-renewal is turned off at least 24 hours before the end of the current subscription period, otherwise you will be charged for the next subscription period. • You can manage your subscription and turn off auto-renewal in Settings after purchase. • Cancellation of the current subscription is not allowed during the subscription period. Links: Privacy Policy: https://pdfeditorconvertfile.com/privacy.html Terms of Use: https://pdfeditorconvertfile.com/terms.html Subscription Terms: https://pdfeditorconvertfile.com/subscription_terms.html

About

K37 Simple Projects

Features
Read full description

Simple Projects helps you turn plans into progress without the clutter. Create focused projects, add the next tasks that matter, and see what needs attention today. Choose a distinctive icon, color, and cultural theme to make the app feel like yours. FEATURES • Create, edit, complete, and archive projects • Add prioritized tasks with notes and optional deadlines • See overdue, due-today, upcoming, and unscheduled work • Search projects and tasks quickly • Personalize projects with icons and colors • Choose from 17 visual themes • Keep your data on your device • No account and no subscription Use up to three active projects with five open tasks in each project for free. A one-time Full Version purchase unlocks unlimited active projects and unlimited open tasks. All other app features remain included in the free version. No subscription is required. Simple Projects is designed by K37 Software for people who want a calm, straightforward way to organize the plans that matter.

Screenshots

PDF Editor4 screens
K37 Simple Projects3 screens

Verdict

The call

The clearest difference is ads: K37 Simple Projects at none against PDF Editor's shown. K37 Simple Projects also leads on update cadence (every 6 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement 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 Editor sells 2 in-app purchases, starting at $5.99 per 7 days and K37 Simple Projects sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PDF Editor ships an update every 3 weeks, K37 Simple Projects every 6 days. The most recent releases landed on October 12, 2026 and September 30, 2026 respectively.

Scorecard2 real differences · 8 level
PDF Editor versus K37 Simple Projects: the parameters behind the verdict, then further details
ParameterPDF EditorK37 Simple Projects
PriceFreeFree
Rating3.9 (31 ratings) — better—
Positive reviews25.0% of reviews—
Number of ratings31 — better—
Update frequencyEvery 3 weeksEvery 6 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationAd-supported—
DevicesiPhoneiPhone, iPad — better
Requires iOS16.6 — better17.0
Further details — not scored
Size79 MB6 MB
Age rating4+4+
DeveloperWellresion LimitedK37 Software LLC

In-app purchases

2 purchases

PDF Editor

Subscriptions2
  • PDF Editor Ad-Free$5.997 Days
  • PDF Editor Ad-Free$29.991 Year
1 purchases

K37 Simple Projects

One-time1
  • Simple Projects Full$2.99

Questions

Is PDF Editor free?
PDF Editor is free to download, with in-app purchases available.
Is K37 Simple Projects free?
K37 Simple Projects is free to download, with in-app purchases available.
Do PDF Editor or K37 Simple Projects have ads?
PDF Editor shows ads; K37 Simple Projects does not.
Which is updated more often, PDF Editor or K37 Simple Projects?
PDF Editor ships an update every 3 weeks, and K37 Simple Projects every 6 days. Most recently, PDF Editor was updated on October 12, 2026 and K37 Simple Projects on September 30, 2026.

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