Comparison

PDF Scanner vs Kron

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 physical documents, receipts, and notes using your smartphone camera. Convert them into digital PDFs or other formats, with advanced editing and OCR capabilities. Organize, manage, and secure your scanned files with this powerful productivity tool.

Highlights
  • Scan documents with auto-crop and edge detection
  • Edit PDFs with resolution, color, and orientation adjustments
  • Organize documents with renaming, folders, and tags
  • Extract text using OCR technology
  • Convert PDFs to Word, Excel, or JPG
  • Secure documents with password/PIN protection
Features
Read full description

PDF scanner allows you to scan physical documents, receipts, or notes using your smartphone camera and convert them into a digital PDF or any other file format you need! Here are some key points that describe the features of our PDF scanner app: 1. Scan Documents: Capture clear, high-quality images of documents with your smartphone camera. Auto-crop and edge detection features help to remove any unwanted borders or shadows. 2. PDF Editor: After scanning the document, the app converts the image into a PDF format that is easy to store, share, and edit. You can also adjust the resolution, color, and orientation of the PDF. 3. Document Management: The app includes tools to organize and manage the scanned documents. You can rename, delete, or move files to different folders within the app. The app also includes options to create tags or labels to help users easily find specific documents. 4. OCR (Optical Character Recognition): PDF Scanner includes OCR technology that allows users to extract text from scanned documents. This means that you can easily search for keywords within the document, copy and paste text, or even translate the text into different languages. 5. Change app format: You can easily change the PDF file into a different file type, such as Word, Excel, or JPG just in a few clicks. 6. Security: To protect sensitive information, the app also includes options to add a password or PIN code to access the app. Important: Subscription is required to use all app features Let us try to help at info@webronsofrware.co.uk and we will do our best to help in any way! If you choose to purchase one of subscriptions, payment will be charged to your iTunes account, and your account will be charged for renewal within 24-hours prior to the end of the current period. Auto-renewal may be turned off at any time by going to your settings in the iTunes Store after purchase. Prices are in US dollars, may vary in countries other than the US, and are subject to change without notice. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase; Privacy Policy: https://www.webronsoftware.co.uk/privacy-policy Terms of Use: https://www.webronsoftware.co.uk/terms-of-service

About

Kron

Features
Read full description

Kron is not just a focus timer. It helps you get back into focus when you lose it. Everyone can start focusing. The hard part is staying focused. Kron solves this with a simple idea: when your attention drops - you reset it. How it works Start a focus session and work as usual. Lose focus? Don't fight it - reset it. Take a quick break with built-in mini-games and instantly return to your task with a clear mind. Why Kron works • You don't force focus - you restore it • Short resets help you avoid burnout • Mini-games refresh your attention in seconds • You build real, repeatable focus habits Features • Clean and simple focus timer • Instant refocus with mini-games • Focus sessions and time tracking • Tags for organizing your work by task, goal, or subject • Daily streaks to stay consistent • Smooth and distraction-free experience Premium Features Unlock the full Kron experience with a subscription or lifetime purchase: • Advanced statistics • Custom tags - create and edit your own • Tag reminders - get notified when it matters • Additional mini-games • Theme customization • Custom app icons • Custom sounds Try Kron free - no commitment needed. Premium is available as a weekly, monthly, annual subscription or a one-time lifetime purchase. Built for real life Kron is made for students, professionals, and anyone who: - gets distracted often - struggles to stay focused for long - wants a simple, effective focus and concentration system - is tired of complicated productivity apps Whether you're studying, working, or just trying to stay on track - Kron helps you return to focus again and again. Focus is a loop Focus → lose it → reset → repeat That's how real productivity works. And that's what Kron is built for. Privacy Policy: https://snadkin.tech/apps/kron/privacy Terms of Use: https://snadkin.tech/apps/kron/terms

Screenshots

PDF Scanner4 screens
Kron4 screens

Verdict

The call

The clearest difference is update cadence: Kron at every 3 days against PDF Scanner's every 8 days. PDF Scanner's advantage is iOS requirement (15.0 vs 17.6). On price, ads, 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. PDF Scanner sells 4 in-app purchases, starting at $4.99 per 7 days and Kron sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PDF Scanner ships an update every 8 days, Kron every 3 days. The most recent releases landed on October 3, 2026 and October 9, 2026 respectively.

Scorecard2 real differences · 7 level
PDF Scanner versus Kron: the parameters behind the verdict, then further details
ParameterPDF ScannerKron
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 8 daysEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationSubscription—
DevicesiPhone, iPod — betteriPhone
Requires iOS15.0 — better17.6
Further details — not scored
Size36 MB20 MB
Age rating4+4+
DeveloperWebron Software LTDDANIIL SNADKIN, IE

In-app purchases

4 purchases

PDF Scanner

Subscriptions3
  • PDF Expert (weekly)$4.997 Days
  • PDF Expert (yearly)$24.991 Year
  • PDF Expert (3 months)$29.993 Months
One-time1
  • PDF Expert (lifetime)$29.99
3 purchases

Kron

Subscriptions2
  • Kron Pro Monthly3 Days trial$1.991 Month
  • Kron Pro Yearly$7.991 Year
One-time1
  • Kron Lifetime$17.99

Questions

Is PDF Scanner free?
PDF Scanner is free to download, with in-app purchases available.
Is Kron free?
Kron is free to download, with in-app purchases available.
Do PDF Scanner or Kron have ads?
Neither PDF Scanner nor Kron shows ads.
Which is updated more often, PDF Scanner or Kron?
PDF Scanner ships an update every 8 days, and Kron every 3 days. Most recently, PDF Scanner was updated on October 3, 2026 and Kron on October 9, 2026.

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