# EVO SOLAR SYSTEM vs Solar System Clock

The clearest difference is update cadence: Solar System Clock at every 2 days against EVO SOLAR SYSTEM's every 5 weeks. EVO SOLAR SYSTEM's advantage is iOS requirement (8.0 vs 16.6). 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.

EVO SOLAR SYSTEM ships an update every 5 weeks, Solar System Clock every 2 days. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | EVO SOLAR SYSTEM | Solar System Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/solar-system-clock/id6746730661/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 days** |
| Size | 379 MB | 5 MB |
| Requires iOS | **8.0** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Alzzam Education Corp.](https://appshunter.io/developer/868032382) | [Mateusz Andrzejczuk](https://appshunter.io/developer/1158375886) |

## What reviewers say

### EVO SOLAR SYSTEM

[App page](https://appshunter.io/ios/app/evo-solar-system-ar-book/id1331440416)

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

**In-app purchases:** none


### Solar System Clock

[App page](https://appshunter.io/ios/app/solar-system-clock/id6746730661)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EVO SOLAR SYSTEM free?

EVO SOLAR SYSTEM is free to download, with no in-app purchases.

### Is Solar System Clock free?

Solar System Clock is free to download, with no in-app purchases.

### Do EVO SOLAR SYSTEM or Solar System Clock have ads?

Neither EVO SOLAR SYSTEM nor Solar System Clock shows ads.

### Which is updated more often, EVO SOLAR SYSTEM or Solar System Clock?

EVO SOLAR SYSTEM ships an update every 5 weeks, and Solar System Clock every 2 days. Most recently, EVO SOLAR SYSTEM was updated on October 9, 2026 and Solar System Clock 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.*