Sidón vs StarNote
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sidón
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La app Sidón es tu aliada para responder de forma ágil ante desviaciones operativas. Diseñada para recibir alertas en tiempo real, permite gestionar incidencias, escalar problemas y registrar acciones desde cualquier lugar.
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.
Screenshots
Verdict
The clearest difference is in-app purchases: Sidón at none against StarNote's 21. StarNote's advantage is update cadence (every 2 weeks vs every 20 months). On price, ads, 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
Both are free to download. StarNote sells 21 one-off in-app purchases. Sidón asks for nothing beyond the download.
Sidón ships an update every 20 months, StarNote every 2 weeks. The most recent releases landed on October 5, 2026 and October 14, 2026 respectively.
| Parameter | Sidón | StarNote |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.6 (94 ratings) — better |
| Positive reviews | — | 74.4% of reviews |
| Number of ratings | — | 94 — better |
| Update frequency | Every 20 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.5 | 15.0 — better |
| Further details — not scored | ||
| Size | 39 MB | 422 MB |
| Age rating | 4+ | 4+ |
| Developer | ecosat llc | Onyx International Inc. |
In-app purchases
Sidón
No in-app purchases
StarNote
- StarNote AI Trial$0.99
- Templates\Stickers$3.90
- Templates\Stickers$4.49
Show 18 moreShow fewer
- Templates\Stickers$4.79
- Templates\Stickers$5.00
- Templates\Stickers$5.79
- StarNote Lifetime PRO$5.99
- Templates\Stickers$6.69
- Templates\Stickers$6.79
- StarNote AI Plus$6.99
- Templates\Stickers$7.79
- Templates\Stickers$8.99
- Templates\Stickers$9.79
- Templates\Stickers$9.99
- Templates\Stickers$10.99
- Templates\Stickers$11.49
- Templates\Stickers$11.90
- Templates\Stickers$12.99
- StarNote AI Pro$22.99
- Templates\Stickers$38.90
- Templates\Stickers$42.90
