# CloudLabs Planetary system vs Scale of U

The clearest difference is update cadence: Scale of U at every 8 days against CloudLabs Planetary system's every 8 months. CloudLabs Planetary system's advantage is iOS requirement (11.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CloudLabs Planetary system ships an update every 8 months, Scale of U every 8 days. The most recent releases landed on November 7, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | CloudLabs Planetary system | Scale of U |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/scale-of-u/id6817622989/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 8 days** |
| Monetization | — | Free |
| Size | 243 MB | 9 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Jiovany Orozco](https://appshunter.io/developer/1114670847) | [Grossard Education](https://appshunter.io/developer/6815946214) |

## What reviewers say

### CloudLabs Planetary system

[App page](https://appshunter.io/ios/app/cloudlabs-planetary-system/id6447648345)

**Features:** macOS Compatibility

**In-app purchases:** none


### Scale of U

[App page](https://appshunter.io/ios/app/scale-of-u/id6817622989)

Explore the relative sizes of objects from the smallest atoms to the vast universe. Pinch to zoom across 42 powers of ten, view 161 3D models, and compare objects side-by-side. This educational app works offline and is designed for curious minds and classrooms.

**Highlights:** Explore 161 objects in 3D, Zoom across 42 powers of ten, Compare objects side-by-side, Offline functionality, Guided tours, View NASA surface maps

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

**In-app purchases:** none


## Frequently asked questions

### Is CloudLabs Planetary system free?

CloudLabs Planetary system is free to download, with no in-app purchases.

### Is Scale of U free?

Scale of U is free to download, with no in-app purchases.

### Do CloudLabs Planetary system or Scale of U have ads?

Neither CloudLabs Planetary system nor Scale of U shows ads.

### Which is updated more often, CloudLabs Planetary system or Scale of U?

CloudLabs Planetary system ships an update every 8 months, and Scale of U every 8 days. Most recently, CloudLabs Planetary system was updated on November 7, 2026 and Scale of U on November 13, 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.*