ChessFirst vs Space Atlas
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ChessFirst
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ChessFirst helps to learn playing chess
Space Atlas
Explore the universe with interactive 3D models, real-time space data, and daily NASA images. Learn through educational articles and test your knowledge with challenging quizzes. Plan your stargazing sessions with helpful night-sky guidance.
- Interactive 3D solar system
- Real-time space data tracking
- Daily NASA imagery
- Educational articles
- Challenging quizzes
- Sky observation tools
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Space Atlas: Cosmos Guide Explore the universe from your pocket. Space Atlas turns astronomy into an immersive experience with interactive 3D visuals, real-time space data, daily NASA imagery, educational articles, and challenging quizzes built for curious minds. EXPLORE THE SOLAR SYSTEM IN 3D Navigate a beautiful interactive solar system with animated orbits, smooth zoom controls, and detailed planet views. Rotate, pinch, and explore celestial bodies up close. LIVE SPACE DATA Stay connected to what is happening above Earth: Track the ISS in real time Follow upcoming rocket launches Check aurora activity with the Kp index Monitor near-Earth asteroids See how many astronauts are currently in space NASA IMAGE OF THE DAY Discover a new astronomy image every day with NASA’s Astronomy Picture of the Day, complete with clear explanations available in your language. DEEP SPACE LEARNING Read hundreds of educational articles across astronomy, cosmology, black holes, galaxies, exoplanets, nebulae, space exploration, astrobiology, observation techniques, and space technology. SMART SPACE QUIZZES Test your knowledge with a large quiz library across multiple difficulty levels. Build streaks, earn XP, unlock badges, and progress from beginner to expert. SKY OBSERVATION TOOLS Plan your stargazing sessions with moon phase details, viewing conditions, and helpful night-sky guidance. MADE FOR SPACE LOVERS Space Atlas is built for anyone who wants to understand the cosmos, from beginners discovering astronomy for the first time to enthusiasts looking for a richer daily space companion. Features include: Night mode for comfortable sky watching Offline access to articles and quizzes Daily challenges and streak tracking XP, badges, and progress stats English, French, Spanish, and Italian support Free to start, with Pro access for the full experience
Screenshots
Verdict
The clearest difference is in-app purchases: ChessFirst at none against Space Atlas's 1. Space Atlas's advantage is update cadence (every 2 days vs monthly). On price, ads, 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
Both are free to download. Space Atlas sells 1 one-off in-app purchase. ChessFirst asks for nothing beyond the download.
ChessFirst ships an update monthly, Space Atlas every 2 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.
| Parameter | ChessFirst | Space Atlas |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Monthly | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 29 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | Oleg Borkin | Kodjovi Mlapa |
In-app purchases
ChessFirst
No in-app purchases
Space Atlas
- Space Atlas Lifetime$9.99
Questions
Is ChessFirst free?
Is Space Atlas free?
Do ChessFirst or Space Atlas have ads?
Which is updated more often, ChessFirst or Space Atlas?
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