# Sunja vs Kaloxicon

The clearest difference is in-app purchases: Kaloxicon at none against Sunja's 2. Kaloxicon also leads on ads (none vs shown) and update cadence (weekly vs every 5 months). On price, device support and iOS requirement there is nothing between them.

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

Sunja ships an update every 5 months, Kaloxicon weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Sunja | Kaloxicon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kaloxicon/id6762815171/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Weekly** |
| Size | 70 MB | 2 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Sunja Labs Private Limited](https://appshunter.io/developer/1774734869) | [STEVEN DAVID KALNITZKY](https://appshunter.io/developer/1881714599) |

## 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 |


### Kaloxicon

[App page](https://appshunter.io/ios/app/kaloxicon/id6762815171)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sunja free?

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

### Is Kaloxicon free?

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

### Do Sunja or Kaloxicon have ads?

Sunja shows ads; Kaloxicon does not.

### Which is updated more often, Sunja or Kaloxicon?

Sunja ships an update every 5 months, and Kaloxicon weekly. Most recently, Sunja was updated on October 24, 2026 and Kaloxicon on October 24, 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.*