StarNote vs Proja AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
Proja AI
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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
Verdict
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
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.
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.
| Parameter | StarNote | Proja AI |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (124 ratings) — better | — |
| Positive reviews | 74.4% of reviews | — |
| Number of ratings | 124 — better | — |
| Update frequency | Every 2 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 422 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | Onyx International Inc. | Craig Simons |
In-app purchases
StarNote
- StarNote AI Trial$0.99
- Templates\Stickers$3.90
- Templates\Stickers$4.49
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- 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
Proja AI
- Pro Monthly$3.99
- Team Monthly$5.99
- Pro Yearly$29.99
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- Team Yearly$49.99









