SystemeSolaire vs Astris
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SystemeSolaire
Read full descriptionHide full description
The solar system is our planetary system, composed of a star, the Sun, and the defined celestial bodies orbiting it: the eight confirmed planets and their 175 known natural satellites, the five dwarf planets and the billions of small bodies and belts. This application puts the solar system at your fingertips. Click on a star or spacecraft to see its detailed information and a selection of videos chosen to shed light on important topics related to that star or spacecraft. This application is a concentrate of scientific knowledge of each celestial body of our solar system. This information is intended for a wide audience and no previous experience/knowledge is necessary. Are you curious? Well, you will be served. Do not hesitate to recommend this to your children, parents, friends, grandparents. There is something for everyone.
Astris
Read full descriptionHide full description
This app allows to you discover our solar system with every planet, moons and asteroids and add it to your favorites. You will be able to have a 3d experience with the planets and the sun. Every text is accessible thanks to the speak screen.
Screenshots
Verdict
The clearest difference is price: Astris at Free against SystemeSolaire's $1.99. Astris also leads on update cadence (every 3 months vs every 55 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Astris 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, Astris every 3 months. The most recent releases landed on September 17, 2026 and May 16, 2026 respectively.
| Parameter | SystemeSolaire | Astris |
|---|---|---|
| Price | $1.99 | Free — better |
| Update frequency | Every 55 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 596 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | NMS Narcisse Mavoha Solutions Sarl | ISTITUTI EDMONDO DE AMICIS SRL |
In-app purchases
SystemeSolaire
No in-app purchases
Astris
No in-app purchases
Questions
Is SystemeSolaire free?
Is Astris free?
Do SystemeSolaire or Astris have ads?
Which is updated more often, SystemeSolaire or Astris?
Other comparisons
