# Samsa vs Earth Rotation

The clearest difference is price: Samsa at Free against Earth Rotation's $0.99. Samsa also leads on iOS requirement (12.0 vs 15.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Samsa is free to download; Earth Rotation costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Samsa ships an update every 16 months, Earth Rotation every 22 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Samsa | Earth Rotation |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/earth-rotation/id1610455878/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 16 months** | Every 22 months |
| Monetization | — | Paid |
| Size | 28 MB | 46 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [DactylGroup](https://appshunter.io/developer/1121936981) | [Masahiro Tomosada](https://appshunter.io/developer/1587710118) |

## What reviewers say

### Samsa

[App page](https://appshunter.io/ios/app/samsa/id1468451980)

**Features:** macOS Compatibility

**In-app purchases:** none


### Earth Rotation

[App page](https://appshunter.io/ios/app/earth-rotation/id1610455878)

Explore a 3D simulation of celestial bodies. Adjust rotation speeds, reverse direction, and alter lighting angles. Choose from three distinct Earth visual styles for an interactive learning experience.

**Highlights:** Adjustable rotation speed, Reverse rotation direction, Adjustable sun lighting angle, Three Earth visual styles, 3D celestial animation

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

**In-app purchases:** none


## Frequently asked questions

### Is Samsa free?

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

### Is Earth Rotation free?

Earth Rotation costs $0.99, with no in-app purchases.

### Do Samsa or Earth Rotation have ads?

Neither Samsa nor Earth Rotation shows ads.

### Which is updated more often, Samsa or Earth Rotation?

Samsa ships an update every 16 months, and Earth Rotation every 22 months. Most recently, Samsa was updated on November 7, 2026 and Earth Rotation on November 3, 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.*