Comparison

StarNote 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

StarNote

This app offers a realistic pen-on-paper handwriting experience on tablets with an infinite canvas for notes and sketches. It includes advanced layering, PDF annotation, and a robust organizer for efficient digital note-taking and planning.

Highlights
  • Realistic low-latency handwriting
  • Infinite canvas for unlimited space
  • Layered design for complex projects
  • Deep PDF annotation and markup
  • Robust file management and search
  • Lifetime access with one-time purchase
  • Free templates and digital assets
Read full description

StarNote is a clean and powerful note-taking app for handwriting, PDF annotation, study, work, and everyday planning. Write naturally with your stylus, organize notebooks, mark up PDFs, and keep all your ideas in one simple workspace. Built for students, professionals, and tablet users, StarNote helps you take class notes, review lecture slides, annotate documents, plan your day, and build a paperless study or work system. With smooth handwriting, flexible notebooks, PDF markup, and digital planning tools, StarNote makes it easy to capture ideas and stay organized. No monthly subscription. Choose a one-time purchase and enjoy a long-term note-taking tool without ongoing fees. Download StarNote and start building your digital notebook today.

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

StarNote4 screens
Proja AI4 screens

Verdict

The call

The clearest difference is update cadence: StarNote at every 2 weeks against Proja AI's every 4 months. Proja AI's advantage is iOS requirement (13.0 vs 15.0). 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. StarNote sells 10 one-off in-app purchases and Proja AI sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

StarNote 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
StarNote versus Proja AI: the parameters behind the verdict, then further details
ParameterStarNoteProja AI
PriceFreeFree
Rating4.6 (124 ratings) — better—
Positive reviews74.4% of reviews—
Number of ratings124 — better—
Update frequencyEvery 2 weeks — betterEvery 4 months
AdsNoNo
In-app purchasesYesYes
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size422 MB56 MB
Age rating4+4+
DeveloperOnyx International Inc.Craig Simons

In-app purchases

10 purchases

StarNote

One-time10
  • StarNote AI Trial$0.99
  • Templates\Stickers$3.90
  • Templates\Stickers$4.49
Show 7 more
  • StarNote Lifetime PRO$5.99
  • Templates\Stickers$6.69
  • Templates\Stickers$7.79
  • Templates\Stickers$9.79
  • Templates\Stickers$9.99
  • Templates\Stickers$12.99
  • StarNote AI Pro$22.99
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 StarNote free?
StarNote 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 StarNote or Proja AI have ads?
Neither StarNote nor Proja AI shows ads.
Which is updated more often, StarNote or Proja AI?
StarNote ships an update every 2 weeks, and Proja AI every 4 months. Most recently, StarNote was updated on November 5, 2026 and Proja AI on October 30, 2026.

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