Comparison

Chemtrix vs AstroBrain Space Program

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

AstroBrain Space Program

Features
Read full description

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

Chemtrix4 screens
AstroBrain Space Program4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

Chemtrix ships an update weekly, AstroBrain Space Program fortnightly. The most recent releases landed on August 22, 2026 and September 14, 2026 respectively.

Scorecard2 real differences · 8 level
Chemtrix versus AstroBrain Space Program: the parameters behind the verdict, then further details
ParameterChemtrixAstroBrain Space Program
PriceFreeFree
Rating4.8 (95 ratings) — better—
Positive reviews52.1% of reviews—
Number of ratings95 — better—
Update frequencyWeekly — betterFortnightly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.0 — better15.1
Further details — not scored
Size23 MB24 MB
Age rating4+4+
DeveloperSam WoolfFrancisco Javier Rodriguez Donado

In-app purchases

1 purchases

Chemtrix

One-time1
  • Unlock Chemtrix$0.99
1 purchases

AstroBrain Space Program

One-time1
  • AstroBrain Pro$2.99

Questions

Is Chemtrix free?
Chemtrix is free to download, with in-app purchases available.
Is AstroBrain Space Program free?
AstroBrain Space Program is free to download, with in-app purchases available.
Do Chemtrix or AstroBrain Space Program have ads?
Neither Chemtrix nor AstroBrain Space Program shows ads.
Which is updated more often, Chemtrix or AstroBrain Space Program?
Chemtrix ships an update weekly, and AstroBrain Space Program fortnightly. Most recently, Chemtrix was updated on August 22, 2026 and AstroBrain Space Program on September 14, 2026.

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