# White Board App vs Spatial Data Platform (SDP)

The clearest difference is in-app purchases: Spatial Data Platform (SDP) at none against White Board App's 3. Spatial Data Platform (SDP) also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. White Board App sells 3 one-off in-app purchases. Spatial Data Platform (SDP) asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | White Board App | Spatial Data Platform (SDP) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (82 ratings)](https://appshunter.io/ios/app/white-board-app-chalkboard/id1573047722/reviews)** | — |
| Number of ratings | **82** | — |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 95 MB | 58 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cocoa Sandwich LLC](https://appshunter.io/developer/1460489838) | [The iGlobe Group Control (Pty) Ltd](https://appshunter.io/developer/1654681795) |

## What reviewers say

### White Board App

[App page](https://appshunter.io/ios/app/white-board-app-chalkboard/id1573047722)

This app provides a digital canvas for writing, drawing, and sketching. It's suitable for handwriting practice, educational purposes, note-taking, and creative expression. Users can choose from various drawing modes and tools to create and save their work.

**Highlights:** Digital whiteboard for writing and drawing, Handwriting practice tools, Multiple drawing board modes, Eraser and undo/redo functionality, Save and create new boards, Offline functionality

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Project Slots | $6.99 | one-time |
| Remove Ads | $7.99 | one-time |
| Full Version | $8.99 | one-time |


### Spatial Data Platform (SDP)

[App page](https://appshunter.io/ios/app/spatial-data-platform-sdp/id6593671399)

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

**In-app purchases:** none


## Frequently asked questions

### Is White Board App free?

White Board App is free to download, with in-app purchases available.

### Is Spatial Data Platform (SDP) free?

Spatial Data Platform (SDP) is free to download, with no in-app purchases.

### Do White Board App or Spatial Data Platform (SDP) have ads?

White Board App shows ads; Spatial Data Platform (SDP) does not.

### Which is updated more often, White Board App or Spatial Data Platform (SDP)?

White Board App ships an update monthly, and Spatial Data Platform (SDP) monthly. Most recently, White Board App was updated on October 24, 2026 and Spatial Data Platform (SDP) on October 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.*