# Sunja vs Pro.History

The clearest difference is in-app purchases: Pro.History at none against Sunja's 2. Pro.History also leads on ads (none vs shown) and iOS requirement (13.0 vs 17.6). On price and device support there is nothing between them.

Both are free to download. Sunja sells 2 in-app purchases, starting at $29.99 per month. Pro.History asks for nothing beyond the download.

## The numbers

| Metric | Sunja | Pro.History |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | — |
| Size | 70 MB | 26 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sunja Labs Private Limited](https://appshunter.io/developer/1774734869) | [NINA SAVELJEVA](https://appshunter.io/developer/962670684) |

## What reviewers say

### Sunja

[App page](https://appshunter.io/ios/app/sunja-interactive-3d-science/id6760365462)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Learning | $29.99 | per month |
| Annual Learning | $199.99 | per year |


### Pro.History

[App page](https://appshunter.io/ios/app/prohistory/id6761607777)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sunja free?

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

### Is Pro.History free?

Pro.History is free to download, with no in-app purchases.

### Do Sunja or Pro.History have ads?

Sunja shows ads; Pro.History does not.

---

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