# Inkflow Plus Visual Notebook vs PDF Board

The clearest difference is price: PDF Board at Free against Inkflow Plus Visual Notebook's $12.99. PDF Board also leads on update cadence (every 8 days vs every 2 months). Inkflow Plus Visual Notebook's advantage is chart position (#158 vs unranked) and iOS requirement (12.1 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

PDF Board is free to download; Inkflow Plus Visual Notebook costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Inkflow Plus Visual Notebook ships an update every 2 months, PDF Board every 8 days. The most recent releases landed on September 27, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Inkflow Plus Visual Notebook | PDF Board |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| Rating | **[4.7 (706 ratings)](https://appshunter.io/ios/app/inkflow-plus-visual-notebook/id550062698/reviews)** | — |
| Number of ratings | **706** | — |
| Positive reviews | 77.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Paid | — |
| Best chart rank | **#158** | — |
| Size | 35 MB | 43 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Qrayon, LLC](https://appshunter.io/developer/354980265) | [Known Keep LLC](https://appshunter.io/developer/291797163) |

## What reviewers say

### Inkflow Plus Visual Notebook

[App page](https://appshunter.io/ios/app/inkflow-plus-visual-notebook/id550062698)

**Currently charting:** #158 Top Paid · Business (US App Store)

This app acts as a visual notebook, allowing users to capture handwritten notes and sketches that can be easily rearranged and reorganized. It offers a smooth writing experience, full-resolution zoom, and the ability to import real-world content using your device's camera.

**Highlights:** Handwritten notes and sketches, Rearrange and reorganize content, Smooth, pen-like ink feel, Full resolution zoom and pan, Import from camera (Inkport), Insert text and photos, Export to PDF and JPEG

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Smooth writing experience
- 💡 Useful for brainstorming and sketching
- 👍 Versatile for notes, drawings, and photos
- 💡 Inkport feature to import handwritten notes

**What reviewers complain about**

- 🐛 Crashes and loss of progress
- 🐛 Syncing issues between devices
- 🐛 Unreliable palm rejection and eraser
- 🐛 Limited customization options
- 🐛 Pixelated image exports

**Reported bugs**

- Frequent crashes
- Pages randomly deleted
- Inability to save work
- Zooming issues
- Disappearing toolbar icons

**Requested features**

- Undo/redo functionality
- Ability to organize notebooks and pages
- More paper templates and background options
- Geometric shape tools
- Handwriting to text conversion


### PDF Board

[App page](https://appshunter.io/ios/app/pdf-board/id1539015766)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Inkflow Plus Visual Notebook free?

Inkflow Plus Visual Notebook costs $12.99, with no in-app purchases.

### Is PDF Board free?

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

### Do Inkflow Plus Visual Notebook or PDF Board have ads?

Neither Inkflow Plus Visual Notebook nor PDF Board shows ads.

### Which is updated more often, Inkflow Plus Visual Notebook or PDF Board?

Inkflow Plus Visual Notebook ships an update every 2 months, and PDF Board every 8 days. Most recently, Inkflow Plus Visual Notebook was updated on September 27, 2026 and PDF Board on September 18, 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.*