# Whiteboard app "memo note" vs Write on PDF

The clearest difference is rating: Write on PDF at 4.9 against Whiteboard app "memo note"'s 2.3. Write on PDF also leads on ads (none vs shown) and update cadence (every 10 days vs every 20 months). Whiteboard app "memo note"'s advantage is in-app purchases (none vs 2). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Write on PDF sells 2 in-app purchases, starting at $1.99 per month. Whiteboard app "memo note" asks for nothing beyond the download.

Write on PDF holds the better App Store score, 4.9 against 2.3. That said, the two scores are not equally well evidenced: Write on PDF has 19 ratings behind it against 3, so its average is the more settled of the two.

Whiteboard app "memo note" ships an update every 20 months, Write on PDF every 10 days. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Whiteboard app "memo note" | Write on PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/whiteboard-app-memo-note/id1114278036/reviews) | **[4.9 (19 ratings)](https://appshunter.io/ios/app/write-on-pdf-white-board/id6475992095/reviews)** |
| Number of ratings | 3 | **19** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 20 months | **Every 10 days** |
| Monetization | **Ad-supported** | Freemium |
| Size | 5 MB | 260 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kiyoshi Koike](https://appshunter.io/developer/513590141) | [Kairoos Solutions SL](https://appshunter.io/developer/978066434) |

## What reviewers say

### Whiteboard app "memo note"

[App page](https://appshunter.io/ios/app/whiteboard-app-memo-note/id1114278036)

This is a straightforward digital whiteboard application designed for quick note-taking and sketching. It offers basic editing tools like undo/redo, color selection, and an eraser. The app is free to download and use.

**Highlights:** Undo and Redo functionality, Five color options, Eraser tool, Delete all function, Simple interface

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

**In-app purchases:** none


### Write on PDF

[App page](https://appshunter.io/ios/app/write-on-pdf-white-board/id6475992095)

This app offers a digital whiteboard experience with advanced drawing tools and PDF integration. It allows for freeform sketching, note-taking, and organization with unlimited notebooks and templates. Collaborate or work independently with enhanced security and automatic backups.

**Highlights:** Advanced drawing tools with 7 ink types, Add text boxes, photos, and paper styles, Over 200 templates, Unlimited notebooks and folders, PDF import and export, Apple Pencil and stylus support, Folder and app-wide passcodes

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features and AI | $1.99 | per month |
| Full Pro Unlock | $5.99 | one-time |


## Frequently asked questions

### Is Whiteboard app "memo note" free?

Whiteboard app "memo note" is free to download, with no in-app purchases.

### Is Write on PDF free?

Write on PDF is free to download, with in-app purchases available.

### Which has better reviews, Whiteboard app "memo note" or Write on PDF?

Write on PDF is rated higher. Whiteboard app "memo note" averages 2.3 out of 5 from 3 ratings, while Write on PDF averages 4.9 from 19 ratings.

### Do Whiteboard app "memo note" or Write on PDF have ads?

Whiteboard app "memo note" shows ads; Write on PDF does not.

### Which is updated more often, Whiteboard app "memo note" or Write on PDF?

Whiteboard app "memo note" ships an update every 20 months, and Write on PDF every 10 days. Most recently, Whiteboard app "memo note" was updated on September 22, 2026 and Write on PDF on September 23, 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.*