# P9Q vs Solar System Clock

The clearest difference is device support: Solar System Clock at 3 against P9Q's —. P9Q's advantage is iOS requirement (12.0 vs 16.6). On price and in-app purchases there is nothing between them.

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

## The numbers

| Metric | P9Q | 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 |
| Update frequency | — | Every 2 days |
| Monetization | — | Free |
| Size | 40 MB | 5 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | — | **iPhone, iPad, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [Victor Alarcon](https://appshunter.io/developer/1540972481) | [Mateusz Andrzejczuk](https://appshunter.io/developer/1158375886) |

## What reviewers say

### P9Q

[App page](https://appshunter.io/ios/app/p9q/id6476010047)

**In-app purchases:** none


### Solar System Clock

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

Visualize the current or historical positions of planets in our solar system. Explore future or past planetary alignments and identify optimal times for observing planets in the night sky.

**Highlights:** Real-time planet positions, Custom date selection, Past and future alignments, Optimal viewing time identification, Solar System visualization

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is P9Q free?

P9Q 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.

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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.*