# Whiteboard Infinite PDF Canvas vs Flark

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.

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.

## The numbers

| Metric | Whiteboard Infinite PDF Canvas | Flark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (19 ratings)](https://appshunter.io/ios/app/whiteboard-infinite-pdf-canvas/id6475992095/reviews)** | — |
| Number of ratings | **19** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 days | **Daily** |
| Monetization | Freemium | — |
| Size | 381 MB | 33 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kairoos Solutions SL](https://appshunter.io/developer/978066434) | [奇峰 董](https://appshunter.io/developer/1821167397) |

## What reviewers say

### Whiteboard Infinite PDF Canvas

[App page](https://appshunter.io/ios/app/whiteboard-infinite-pdf-canvas/id6475992095)

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.

**Highlights:** Infinite canvas, Drawing and writing tools, Sticky notes and tables, Diagram connectors, PDF import and markup, Audio recording and transcription, AI Assistant

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features and AI | $3.99 | per month |
| Whiteboard Annual | $14.99 | per year |
| Full Pro Unlock | $14.99 | one-time |


### Flark

[App page](https://appshunter.io/ios/app/flark-topic-notes/id6770270996)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Whiteboard Infinite PDF Canvas free?

Whiteboard Infinite PDF Canvas is free to download, with in-app purchases available.

### Is Flark free?

Flark is free to download, with no in-app purchases.

### Do Whiteboard Infinite PDF Canvas or Flark have ads?

Neither Whiteboard Infinite PDF Canvas nor Flark shows ads.

### Which is updated more often, Whiteboard Infinite PDF Canvas or Flark?

Whiteboard Infinite PDF Canvas ships an update every 11 days, and Flark daily. Most recently, Whiteboard Infinite PDF Canvas was updated on October 30, 2026 and Flark on October 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*