Chemtrix vs AstroBrain Space Program
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Chemtrix
A puzzle game where you build molecules by bonding atoms. Progress through levels, discover atomic secrets, and explore molecular structures. Features a free fall mode for continuous molecule building.
- Build molecules by bonding atoms
- 24 challenging levels
- Free fall mode for continuous play
- Learn atomic bonding and molecular structures
- Features Lewis-dot notation
- Accurate energy calculations
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Chemtrix is a fun arcade style puzzle game where your goal is to build molecules to progress through the game. There are 24 levels to work your way through, and on your journey you will discover the deepest secrets of the universe - how atoms bond and the structures and properties of the molecules they form. You can also play in 'free fall' mode, where new atoms drop continuously into the game board and your goal is to keep building molecules until you out of space. This is a fun game informed by real chemistry, the molecular structures you create and the way the atoms bond to each other are true to life. And extra features like lewis-dot notation and accurate energy calculations will delight discerning chemists.
AstroBrain Space Program
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Inspired by cognitive tests used to evaluate aspiring astronauts, this game challenges you to sharpen your mental skills by memorizing and recalling sequences of numbers—both forwards and in reverse. Game Modes: - Normal Mode: Memorize and repeat number sequences in the order they appear. - Reversed Mode: Flip the script and repeat sequences backwards. - Random Challenge: Stay sharp! Sequences may need to be recalled in regular or reversed order. Enhance your memory, focus, and cognitive skills.
Screenshots
Verdict
The clearest difference is update cadence: Chemtrix at weekly against AstroBrain Space Program's fortnightly. Chemtrix also leads on iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases 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. Chemtrix sells 1 one-off in-app purchase and AstroBrain Space Program sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Chemtrix ships an update weekly, AstroBrain Space Program fortnightly. The most recent releases landed on August 22, 2026 and September 14, 2026 respectively.
| Parameter | Chemtrix | AstroBrain Space Program |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (95 ratings) — better | — |
| Positive reviews | 52.1% of reviews | — |
| Number of ratings | 95 — better | — |
| Update frequency | Weekly — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 23 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Sam Woolf | Francisco Javier Rodriguez Donado |
In-app purchases
Chemtrix
- Unlock Chemtrix$0.99
AstroBrain Space Program
- AstroBrain Pro$2.99
Questions
Is Chemtrix free?
Is AstroBrain Space Program free?
Do Chemtrix or AstroBrain Space Program have ads?
Which is updated more often, Chemtrix or AstroBrain Space Program?
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