# eKool Messaging vs VSD Viewer & MindMap Maker

The clearest difference is in-app purchases: eKool Messaging at none against VSD Viewer & MindMap Maker's 3. eKool Messaging also leads on iOS requirement (13.4 vs 17.0). VSD Viewer & MindMap Maker's advantage is update cadence (every 2 months vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. VSD Viewer & MindMap Maker sells 3 in-app purchases, starting at $7.99 per month. eKool Messaging asks for nothing beyond the download.

eKool Messaging ships an update every 7 months, VSD Viewer & MindMap Maker every 2 months. The most recent releases landed on September 21, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | eKool Messaging | VSD Viewer & MindMap Maker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Size | 22 MB | 6 MB |
| Requires iOS | **13.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [eKool OU](https://appshunter.io/developer/1722229104) | [Tu Anh Do](https://appshunter.io/developer/738947045) |

## What reviewers say

### eKool Messaging

[App page](https://appshunter.io/ios/app/ekool-messaging/id1500247718)

**Features:** macOS Compatibility

**In-app purchases:** none


### VSD Viewer & MindMap Maker

[App page](https://appshunter.io/ios/app/vsd-viewer-and-mindmap-maker/id6775379923)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MindMap Premium Monthly | $7.99 | per month |
| MindMap Premium Yearly | $29.99 | per year |
| Mindmap Premium Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is eKool Messaging free?

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

### Is VSD Viewer & MindMap Maker free?

VSD Viewer & MindMap Maker is free to download, with in-app purchases available.

### Do eKool Messaging or VSD Viewer & MindMap Maker have ads?

Neither eKool Messaging nor VSD Viewer & MindMap Maker shows ads.

### Which is updated more often, eKool Messaging or VSD Viewer & MindMap Maker?

eKool Messaging ships an update every 7 months, and VSD Viewer & MindMap Maker every 2 months. Most recently, eKool Messaging was updated on September 21, 2026 and VSD Viewer & MindMap Maker on September 10, 2026.

---

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