Cosmos vs Solar System Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cosmos
Explore our solar system with realistic 3D models of planets. Discover detailed information about atmospheric compositions, surface features, and fascinating facts. An interactive journey for space enthusiasts and curious learners.
- Realistic 3D planet models
- Detailed atmospheric and surface information
- Captivating animations
- Engaging exploration interface
- Fascinating space facts
Read full descriptionHide full description
Of course, here is a more detailed description for the Cosmos app: "Embark on an immersive journey through the depths of the solar system with Cosmos, an interactive exploration app that brings the wonders of space to your fingertips. Featuring realistic 3D models of planets, Cosmos allows you to explore the unique features of each celestial body in stunning detail. With vibrant visuals and captivating animations, this app provides a window into the unknown aspects of our solar system. Delve into the atmospheric compositions, surface features, and fascinating facts about each planet as you navigate through Cosmos. Whether you're a space enthusiast or a curious learner, Cosmos offers a comprehensive experience that enriches your understanding of astronomy. Download Cosmos now and unlock the mysteries of the cosmos with a rich collection of 3D models, detailed information, and an engaging exploration interface."
Solar System Clock
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.
- Real-time planet positions
- Custom date selection
- Past and future alignments
- Optimal viewing time identification
- Solar System visualization
Read full descriptionHide full description
See the positions of all planets in our Solar System based on the current date. Or, you can set your own custom date to see the alignment of our planets from a future date or a past date. You can use this app to find out the best time to watch a planet in the sky by finding out when it will be closest to Earth.
Screenshots
Verdict
The clearest difference is device support: Solar System Clock at 3 against Cosmos's 1. On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Cosmos ships an update daily, Solar System Clock every 2 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.
| Parameter | Cosmos | Solar System Clock |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Daily — better | Every 2 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad, Apple Watch — better |
| Requires iOS | 17.0 | 16.6 — better |
| Further details — not scored | ||
| Size | 67 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Salih Yusuf Goktas | Mateusz Andrzejczuk |
In-app purchases
Cosmos
No in-app purchases
Solar System Clock
No in-app purchases
Questions
Is Cosmos free?
Is Solar System Clock free?
Do Cosmos or Solar System Clock have ads?
Which is updated more often, Cosmos or Solar System Clock?
Other comparisons
