# SystemeSolaire vs Project Planet Space

The clearest difference is price: Project Planet Space at Free against SystemeSolaire's $1.99. Project Planet Space also leads on update cadence (every 25 months vs every 55 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Project Planet Space is free to download; SystemeSolaire costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SystemeSolaire ships an update every 55 months, Project Planet Space every 25 months. The most recent releases landed on September 17, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | SystemeSolaire | Project Planet Space |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 55 months | **Every 25 months** |
| Size | 596 MB | 2 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NMS Narcisse Mavoha Solutions Sarl](https://appshunter.io/developer/963941606) | [Miroslav Hanzelka](https://appshunter.io/developer/1653768748) |

## What reviewers say

### SystemeSolaire

[App page](https://appshunter.io/ios/app/systemesolaire/id1440418549)

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

**In-app purchases:** none


### Project Planet Space

[App page](https://appshunter.io/ios/app/project-planet-space/id6499347273)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SystemeSolaire free?

SystemeSolaire costs $1.99, with no in-app purchases.

### Is Project Planet Space free?

Project Planet Space is free to download, with no in-app purchases.

### Do SystemeSolaire or Project Planet Space have ads?

Neither SystemeSolaire nor Project Planet Space shows ads.

### Which is updated more often, SystemeSolaire or Project Planet Space?

SystemeSolaire ships an update every 55 months, and Project Planet Space every 25 months. Most recently, SystemeSolaire was updated on September 17, 2026 and Project Planet Space on May 16, 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.*