Atomic Lumen vs Space Merge X
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Atomic Lumen
A fast-paced arcade game where players must tap orbiting spheres matching the core's color to keep it lit. Avoid incorrect colors to prevent the nucleus from shutting down and aim for high scores to challenge friends.
- Color matching gameplay
- Level progression
- High score challenges
- Friend leaderboards
- Bonus spheres
- Immersive colors and sounds
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Keep the nucleus switched on as long as you can, rise to the occasion your reflex and challenge your friends to an Atomic race to higher level. Touch the orbiting spheres but be careful to choose the ones of the same color as the core, different colors spheres will turn off the nucleus. Touch the right color spheres, accumulate the necessary points to pass levels. As time goes by the core becomes dark, it’s up to you to bring to a shining red! Black and white spheres are bonus, use it when you need! Keep an eye on the ranking and challenge your friends, which of you get the highest score? Atomic Lumen is a fantastic pastime that will immerse you in a rapsody of colors and sounds, are you the fastest finger? Accept the challenge!
Space Merge X
Merge identical planets by placing them on a circle to complete levels and discover new celestial bodies. Utilize boosters to strategically delete or merge planets, accelerating your journey through the cosmos. Enjoy a relaxing puzzle experience as you expand your planetary collection.
- Planet merging gameplay
- Level completion for discovery
- Booster items
- Planet deletion option
- Intuitive controls
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Place three identical planets on the circle near each other, complete levels to discover new planets. Boosters will help you to merge planets like a pro: delete a planet you don't need, merge any two planets to discover new planets faster. Enjoy the game.
Screenshots
Verdict
The clearest difference is rating: Atomic Lumen at 5.0 against Space Merge X's 3.8. Atomic Lumen also leads on in-app purchases (none vs 1) and update cadence (every 3 days vs every 3 months). Space Merge X's advantage is ratings volume (8 vs 1). On price, ads and device support 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 Merge X sells 1 one-off in-app purchase. Atomic Lumen asks for nothing beyond the download.
Atomic Lumen holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Space Merge X has 8 ratings behind it against 1, so its average is the more settled of the two.
Atomic Lumen ships an update every 3 days, Space Merge X every 3 months. The most recent releases landed on October 16, 2026 and October 3, 2026 respectively.
| Parameter | Atomic Lumen | Space Merge X |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 3.8 (8 ratings) |
| Number of ratings | 1 | 8 — better |
| Update frequency | Every 3 days — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 7.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 15 MB | 97 MB |
| Age rating | 4+ | 4+ |
| Developer | Fausto Ristagno | Egor Kunovsky |
Customer experience
Atomic Lumen
Space Merge X
In-app purchases
Atomic Lumen
No in-app purchases
Space Merge X
- Unlimited Boosters$1.99
Questions
Is Atomic Lumen free?
Is Space Merge X free?
Which has better reviews, Atomic Lumen or Space Merge X?
Do Atomic Lumen or Space Merge X have ads?
Which is updated more often, Atomic Lumen or Space Merge X?
Other comparisons
