Comparison

PDF Scanner Document Convert + vs Proja AI

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

Head to head
About

PDF Scanner Document Convert +

Transform your phone into a portable office for scanning, editing, signing, and reading PDF documents. Effortlessly manage your files with features like automatic edge detection, text annotation, and secure digital signatures. Enjoy a simple, smart, and secure way to handle all your document needs.

Highlights
  • Scan documents with automatic edge detection
  • Edit text, add highlights, and annotate PDFs
  • Create and apply digital signatures
  • Read PDFs with customizable view modes
  • Secure on-device document storage
Features
Read full description

Scan, edit, sign, and read PDFs — all in one easy-to-use app. Our PDF Scanner & Editor turns your phone into a powerful portable office tool, helping you manage all your documents effortlessly, anytime and anywhere. Scan with Ease Quickly scan documents, receipts, notes, or business cards using your phone’s camera. The app automatically detects edges and enhances clarity for professional-quality scans. Edit Instantly Need to make changes? Edit text, add highlights, insert shapes, or annotate your PDFs in seconds. No need for complicated software — everything you need is right at your fingertips. Sign Documents Sign contracts, forms, and agreements on the go. Create and save your digital signature to sign documents securely and conveniently without printing or rescanning. Read Comfortably Enjoy a smooth reading experience with customizable view modes. Zoom, search, and navigate through your PDFs easily — perfect for work, study, or personal use. Simple, Smart, and Secure All your documents are stored safely on your device, ensuring full privacy and security at all times. To unlock all premium features and enjoy unlimited access, please purchase a subscription. Privacy Policy: https://www.tap2pdf.com/privacy Terms of Use: https://www.tap2pdf.com/terms

About

Proja AI

Features
Read full description

Proja AI is a modern productivity app designed to help individuals and teams plan projects, manage tasks, and stay focused on what matters most. Break work into manageable steps using focused sprints, track progress across projects, and build consistent productivity habits over time. Proja AI combines simple workflows with intelligent guidance to support everyday work without unnecessary complexity. Whether you’re working solo or collaborating with a team, Proja AI helps you stay organised, maintain momentum, and see progress clearly. Key features: • Create and manage projects and tasks • Focus sprints to support deep, distraction-free work • AI-powered coaching for productivity insights and guidance • Team collaboration on shared projects • Progress tracking, streaks, and achievement badges • Clean, intuitive interface optimised for mobile Proja AI is built to support real work — helping you focus, stay organised, and move projects forward at your own pace.

Screenshots

PDF Scanner Document Convert +4 screens
Proja AI4 screens

Verdict

The call

The clearest difference is update cadence: PDF Scanner Document Convert + at every 2 weeks against Proja AI's every 4 months. Proja AI's advantage is iOS requirement (13.0 vs 16.6). 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 Document Convert + sells 3 in-app purchases, starting at $4.99 per 7 days and Proja AI sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PDF Scanner Document Convert + ships an update every 2 weeks, Proja AI every 4 months. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
PDF Scanner Document Convert + versus Proja AI: the parameters behind the verdict, then further details
ParameterPDF Scanner Document Convert +Proja AI
PriceFreeFree
Rating4.5 (102 ratings) — better—
Positive reviews24.0% of reviews—
Number of ratings102 — better—
Update frequencyEvery 2 weeks — betterEvery 4 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPod — better
Requires iOS16.613.0 — better
Further details — not scored
Size132 MB56 MB
Age rating4+4+
DeveloperPremium Apps+Craig Simons

In-app purchases

3 purchases

PDF Scanner Document Convert +

Subscriptions2
  • Weekly: All Features3 Days trial$4.997 Days
  • Yearly Plan: All Features$19.991 Year
One-time1
  • Lifetime (One time) Purchase$49.99
4 purchases

Proja AI

One-time4
  • Pro Monthly$3.99
  • Team Monthly$5.99
  • Pro Yearly$29.99
Show 1 more
  • Team Yearly$49.99

Questions

Is PDF Scanner Document Convert + free?
PDF Scanner Document Convert + is free to download, with in-app purchases available.
Is Proja AI free?
Proja AI is free to download, with in-app purchases available.
Do PDF Scanner Document Convert + or Proja AI have ads?
Neither PDF Scanner Document Convert + nor Proja AI shows ads.
Which is updated more often, PDF Scanner Document Convert + or Proja AI?
PDF Scanner Document Convert + ships an update every 2 weeks, and Proja AI every 4 months. Most recently, PDF Scanner Document Convert + was updated on November 5, 2026 and Proja AI on October 30, 2026.

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