# Instaboard vs Write on PDF

Instaboard and Write on PDF are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Instaboard sells 4 in-app purchases, starting at $7.99 per month and Write on PDF sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Instaboard against 4.9 for Write on PDF. Both are backed by a comparable volume of ratings — 11 and 19 respectively.

Instaboard ships an update every 8 days, Write on PDF every 10 days. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Instaboard | Write on PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (11 ratings)](https://appshunter.io/ios/app/instaboard-whiteboard-and-plan/id1627585490/reviews)** | [4.9 (19 ratings)](https://appshunter.io/ios/app/write-on-pdf-white-board/id6475992095/reviews) |
| Number of ratings | 11 | **19** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 10 days |
| Monetization | Freemium | Freemium |
| Size | 180 MB | 260 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Instaboard Ltd.](https://appshunter.io/developer/1406417436) | [Kairoos Solutions SL](https://appshunter.io/developer/978066434) |

## What reviewers say

### Instaboard

[App page](https://appshunter.io/ios/app/instaboard-whiteboard-and-plan/id1627585490)

This app combines a digital whiteboard, planner, and meeting space on an infinite canvas. Sketch ideas, manage tasks, and collaborate in real-time with built-in video calls. It's designed for visual planning, project management, and remote team collaboration.

**Highlights:** Infinite canvas for drawing and sketching, Structured cards with checklists and due dates, Kanban boards for task tracking, Calendar view for scheduling, Built-in video calls for live collaboration, Cross-device compatibility (iPad, iPhone, web)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Instaboard Pro | $7.99 | per month |
| Instaboard Pro | $7.99 | per month |
| Instaboard Pro (12 months) | $59.99 | per year |
| Instaboard Pro | $59.99 | per year |


### 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 Instaboard free?

Instaboard is free to download, with in-app purchases available.

### Is Write on PDF free?

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

### Which has better reviews, Instaboard or Write on PDF?

Instaboard is rated higher. Instaboard averages 5.0 out of 5 from 11 ratings, while Write on PDF averages 4.9 from 19 ratings.

### Do Instaboard or Write on PDF have ads?

Neither Instaboard nor Write on PDF shows ads.

### Which is updated more often, Instaboard or Write on PDF?

Instaboard ships an update every 8 days, and Write on PDF every 10 days. Most recently, Instaboard was updated on September 24, 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.*