# Sunja vs DNA Spark by ChatStick

The clearest difference is device support: Sunja at 2 against DNA Spark by ChatStick's —. Sunja also leads on iOS requirement (17.6 vs 26.0). On price and in-app purchases there is nothing between them.

Both are free to download. Sunja sells 2 in-app purchases, starting at $29.99 per month and DNA Spark by ChatStick sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Sunja | DNA Spark by ChatStick |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | — |
| Update frequency | Every 5 months | — |
| Size | 70 MB | 14 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Sunja Labs Private Limited](https://appshunter.io/developer/1774734869) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## 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 |


### DNA Spark by ChatStick

[App page](https://appshunter.io/ios/app/dna-spark-by-chatstick/id6761290854)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $2.99 | one-time |


## Frequently asked questions

### Is Sunja free?

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

### Is DNA Spark by ChatStick free?

DNA Spark by ChatStick is free to download, with in-app purchases available.

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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.*