Whiteboard Infinite PDF Canvas vs Flark
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Whiteboard Infinite PDF Canvas
This app provides an expansive digital canvas for sketching, diagramming, and note-taking. Seamlessly integrate text, images, and even live websites to connect your ideas. Export your creations as PDFs or present them directly from your device.
- Infinite canvas
- Drawing and writing tools
- Sticky notes and tables
- Diagram connectors
- PDF import and markup
- Audio recording and transcription
- AI Assistant
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Whiteboard gives your ideas an endless canvas on iPad and iPhone. Sketch with Apple Pencil or your finger, add sticky notes, connect your thoughts into clear diagrams, then present your board or share it as a PDF. Use it to brainstorm, plan a project, teach a lesson or map out a process. A CANVAS WITHOUT EDGES Draw, write and move in any direction on a board that grows with your ideas. Choose a dotted, squared or lined background on white, cream, gray, blue or green paper. The minimap shows where you are on a large board, and Find and Replace searches every sticky note, table and text box. DRAW AND WRITE NATURALLY Use Apple Pencil with pressure and tilt, or a compatible stylus or your finger. Choose from pens, markers, pencils, crayons, watercolor and more, and duplicate your favorite tools with their own colors and widths. Switch tools with a double-tap or squeeze of Apple Pencil, turn handwriting into typed text with Scribble, and add text boxes and shapes. STICKY NOTES, TABLES AND MORE Add sticky notes in any color, tables, photos, files, links and live websites. Scan documents or printed text with your camera, insert symbols, stamps and clipart, or create images with Image Playground. CONNECT YOUR IDEAS Select an item and tap one of its handles to add a connected item, then just start typing. Choose straight, elbow or arc connectors with arrows, labels and line jumps. Drop an item onto a connector to place it in between. Turn on Flow to send animated dots along your connectors and bring a process to life. Paste Mermaid code to turn text into a diagram. GRAPHS FOR MATH AND SCIENCE Add a coordinate graph in one tap, plot functions and inequalities, and work on it with Apple Pencil. Your ink moves and resizes with the graph. ARRANGE WITH EASE Drag to select many items at once, then align, distribute and group them. Lock items in place, copy and paste them between boards, and undo any change. RECORD THE CONVERSATION Record audio right on the board: a lecture, a meeting or your own explanation. Pause and continue, skip back 15 seconds and generate a transcript, so the recording stays next to the ideas it explains. PRESENT YOUR BOARD Save views of your board as scenes and present them full screen, one after another. Guide your audience with the laser pointer, and show your board on an external display while you control it from your iPad. WRITE ON PDFs Import PDFs and write on them with Apple Pencil. Highlight passages, add comments and sign documents, or place a PDF on a board next to your notes. AI ASSISTANT AND TEXT NOTES Use the AI Assistant to brainstorm ideas, break a goal into tasks or plan a presentation. It can also write, solve math, explain, rewrite, correct and translate text. When words come first, create a formatted Text Note. ORGANIZE, SYNC AND PROTECT Keep boards in unlimited folders and subfolders, and open several at once in tabs. iCloud keeps your work in sync across iPhone and iPad, and your boards are also in the Files app. Lock the app or individual folders with a passcode or Face ID, and rely on automatic backups. Export a board as a PDF, as an image of the current view or as an editable board file. Designed for iOS 26 and the new iOS 27, with dark mode, keyboard shortcuts and support for iPhone Duo. From a quick sketch to a finished presentation, Whiteboard keeps all your ideas in one place. Privacy Policy http://www.noteswriter.com/Kairoos_Privacy_Policy.html EULA https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Flark
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Flark is a local-first topic notes app. Each space is its own topic feed where you jot down daily notes, ideas, and lists; friends or your other device react in real time. — No server, no account — Flark doesn't create accounts and has no cloud. Everything lives on your device and on a WebDAV server you choose (e.g. Nextcloud, Synology, or any WebDAV-compatible storage). We can't see anything. — Multi-device sync — Use the same WebDAV credentials and join the same Space ID on another device to keep seeing every topic and reply. An event-log merge algorithm keeps things consistent across offline edits, concurrent reactions, and clock skew. — Features — • Topic feed: each topic its own card, with inline images, emoji, and auto-linked URLs • Replies: lightweight threading under each topic • Sticker pack: built-in Lark-style emoji, tap to react • Images: pick from library or camera; cached locally for offline • Multiple spaces: join several at once (each on its own WebDAV) • Backup: export a passphrase-encrypted recovery code for a clean new-device handoff — Privacy — • We run no servers; nothing leaves your WebDAV and your device • Your identity key lives in iCloud Keychain (system-level encrypted, end-to-end) • No analytics, no ads, no third-party SDKs — For — • People who don't want their private notes on a cloud vendor • Anyone already running a NAS / Nextcloud / self-hosted WebDAV • A quiet space for yourself, your family, your partner, or a small team
Screenshots
Verdict
The clearest difference is in-app purchases: Flark at none against Whiteboard Infinite PDF Canvas's 3. Flark also leads on update cadence (daily vs every 11 days) and iOS requirement (17.0 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. Whiteboard Infinite PDF Canvas sells 3 in-app purchases, starting at $3.99 per month. Flark asks for nothing beyond the download.
Whiteboard Infinite PDF Canvas ships an update every 11 days, Flark daily. The most recent releases landed on October 30, 2026 and October 14, 2026 respectively.
| Parameter | Whiteboard Infinite PDF Canvas | Flark |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (19 ratings) — better | — |
| Number of ratings | 19 — better | — |
| Update frequency | Every 11 days | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 381 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Kairoos Solutions SL | 奇峰 董 |
In-app purchases
Whiteboard Infinite PDF Canvas
- Unlock All Features and AI3 Days trial$3.991 Month
- Whiteboard Annual3 Days trial$14.991 Year
- Full Pro Unlock$14.99
Flark
No in-app purchases
Questions
Is Whiteboard Infinite PDF Canvas free?
Is Flark free?
Do Whiteboard Infinite PDF Canvas or Flark have ads?
Which is updated more often, Whiteboard Infinite PDF Canvas or Flark?
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