Infinite Canvas vs Prismark
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Infinite Canvas
This drawing app offers an expansive, infinite canvas for detailed sketches and wireframes. Its unique feature is consistent brush stroke thickness, allowing for intricate work at any zoom level. Save your creations seamlessly in an open SVG format.
- Infinite zoom and pan canvas
- Consistent brush stroke thickness
- SVG export
- Finger and pencil support
- Infinite undo
- Rainbow mode
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Drawing app that lets you zoom and pan really far. Almost infinitely far. As a unique twist, each brush stroke you lay down will have the same thickness so you can start a rough overview, zoom in, add details, zoom in further, add more details, etc. to the microscopic level. Put your ideas on an infinite whiteboard. Wireframe your next app. Sketch and paint to your hearts content. - Full Freedom, Open format: SVG under the hood. No lock-in! - Seamless Export: Snap what you see, or share the whole canvas in all its detail - Supports finger and pencil input - Resume drawing sessions with infinite undo: open a file and undo the last thing you did to the drawing, no matter when - Discover the secret rainbow mode!
Prismark
This app reads text aloud, highlighting each sentence as it's spoken. It supports articles, PDFs, and documents, allowing users to listen while multitasking or when their eyes are tired. Customize voices, playback speed, and organization with folders.
- Reads text aloud
- Highlights current sentence
- Supports articles, PDFs, and documents
- Customizable voice and speed
- Organize with folders
- Syncs playback with text
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Prismark reads aloud whatever you give it, and marks each sentence as it goes. The articles you saved, the PDFs you meant to get to, the books on your list: press play and listen on a walk, at the stove, on the train, or when your eyes are tired. Bring Anything In • Share an article from your web browser, and it arrives cleaned up and ready to play. • Paste text or a link. • Open a PDF or a document from Files. Follow Along • The sentence being read is marked like a highlighter, and the page keeps up with the voice. • Tap any sentence to jump to it. • Jump between chapters in longer books. • Choose a voice and set the speed. • Keep the screen awake while you listen, or listen in dark mode at night. Keep It Tidy • Sort documents into folders, each with a marker color of its own. • Pick the color that marks everything else, the app icon included. Prismark for iPhone Duo Open it like a book: the text on one page and the player on the other. Close it and keep listening on the cover. Voices run on your device.
Screenshots
Verdict
The clearest difference is review sentiment: Prismark at 100% against Infinite Canvas's 0%. Prismark also leads on rating (5.0 vs 2.3) and in-app purchases (none vs 4). Infinite Canvas's advantage is ratings volume (3 vs 1) and iOS requirement (18.0 vs 26.0). On price, ads 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. Infinite Canvas sells 4 one-off in-app purchases. Prismark asks for nothing beyond the download.
Prismark holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 0% of Infinite Canvas's written reviews are positive against 100% of Prismark's.
Infinite Canvas ships an update every 4 months, Prismark weekly. The most recent releases landed on October 30, 2026 and November 6, 2026 respectively.
| Parameter | Infinite Canvas | Prismark |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (3 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 4 months | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 18.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 20 MB | 201 MB |
| Age rating | 4+ | 4+ |
| Developer | Christian Tietze | Zachary Coleman |
Customer experience
Infinite Canvas
Prismark
In-app purchases
Infinite Canvas
- Small Tip$0.99
- Appreciation Tip$4.99
- Unlimited Documents$6.99
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- Showing Support$9.99
Prismark
No in-app purchases









