# Stroboscopic Effect vs Earth Rotation

The clearest difference is price: Stroboscopic Effect at Free against Earth Rotation's $0.99. Stroboscopic Effect also leads on ratings volume (18 vs 1) and iOS requirement (8.0 vs 15.0). Earth Rotation's advantage is rating (5.0 vs 2.7) and update cadence (every 22 months vs every 84 months). On ads, in-app purchases and device support there is nothing between them.

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

Earth Rotation holds the better App Store score, 5.0 against 2.7. That said, the two scores are not equally well evidenced: Stroboscopic Effect has 18 ratings behind it against 1, so its average is the more settled of the two.

Stroboscopic Effect ships an update every 84 months, Earth Rotation every 22 months. The most recent releases landed on August 22, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Stroboscopic Effect | Earth Rotation |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [2.7 (18 ratings)](https://appshunter.io/ios/app/stroboscopic-effect/id403009621/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/earth-rotation/id1610455878/reviews)** |
| Number of ratings | **18** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 84 months | **Every 22 months** |
| Monetization | **Free** | Paid |
| Size | 3 MB | 46 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Magnin & Associates](https://appshunter.io/developer/312671572) | [Masahiro Tomosada](https://appshunter.io/developer/1587710118) |

## What reviewers say

### Stroboscopic Effect

[App page](https://appshunter.io/ios/app/stroboscopic-effect/id403009621)

Explore the fascinating stroboscopic effect by rotating various objects. Observe how objects can appear to stop or move backward at specific speeds. This app allows you to manipulate rotation direction and speed to witness these optical illusions.

**Highlights:** Rotate 4 different objects, Adjust rotation speed, Change rotation direction, Observe stroboscopic effect, Supports iPad, iPhone, and Retina display

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

**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 Stroboscopic Effect free?

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

### Is Earth Rotation free?

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

### Which has better reviews, Stroboscopic Effect or Earth Rotation?

Earth Rotation is rated higher. Stroboscopic Effect averages 2.7 out of 5 from 18 ratings, while Earth Rotation averages 5.0 from 1 ratings.

### Do Stroboscopic Effect or Earth Rotation have ads?

Neither Stroboscopic Effect nor Earth Rotation shows ads.

### Which is updated more often, Stroboscopic Effect or Earth Rotation?

Stroboscopic Effect ships an update every 84 months, and Earth Rotation every 22 months. Most recently, Stroboscopic Effect was updated on August 22, 2026 and Earth Rotation on September 21, 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.*