Comparison

Terraforming Mars vs Turing Machine Notepad

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

Head to head
About

Terraforming Mars

Lead a corporation to terraform Mars by building cities, forests, and oceans. Manage resources, complete objectives, and increase your Terraform Rating to make the planet habitable. Compete against rivals and lead humanity into a new era.

Highlights
  • Official board game adaptation
  • Play against AI or up to 5 players
  • Online and offline multiplayer
  • Corporate Era variant
  • Solo challenge mode
  • Expansions available for new content
Features
Read full description

CREATE LIFE ON MARS Lead a corporation and launch ambitious Mars terraforming projects. Direct massive construction works, manage and use your resources, create cities, forests and oceans, and set rewards and objectives to win the game! In Terraforming Mars, place your cards on the board and use them wisely: - Achieve a high Terraform Rating, by increasing the temperature and oxygen level or creating oceans... Make the planet habitable for future generations! - Get Victory Points by building cities, infrastructure and other ambitious projects. - But watch out! Rival corporations will try to slow you down... That's a nice forest you planted there... It'd be a shame if an asteroid crashed right on it. Will you be able to lead humanity into a new era? The terraforming race begins now! Features: • The official adaptation of Jacob Fryxelius' famous board game. • Mars for all: Play against the computer or challenge up to 5 players in multiplayer mode, online or offline. • Game variant: Try the rules of the Corporate Era for a more complex game. With the addition of new cards, including 2 new corporations, focused on economy and technology, you will discover one of the most strategic variants of the game! • Solo Challenge: Finish terraforming Mars before the end of generation 14. Try new rules and features in the most challenging Solo mode on the (red) planet. DLCs: • Speed up your game with the Prelude expansion, adding a new phase at the start of the game to specialize your corporation and boost your early game. It also introduces new cards, corporations and a new solo challenge. • Explore a new side of Mars with the Hellas & Elysium maps, each bringing a new set of twists, awards and milestones. From the Southern Wilds to the Other Face of Mars, the taming of the Red Planet continues. • Add the Venus board to your game, with a new Solar phase to hasten your games. Shake up Terraforming Mars with the Morning Star expansion, featuring new cards, corporations, and resources! • Spice up the game with 7 new cards from the Original Promo Pack: Includes everything from the microbe-oriented corporation Splice to the game-changing Self-Replication Robot project. * Try the Big Box Promo Pack and its 23 cards to raise the level even higher. Play as the expert-only Pharmacy Union or enjoy the more relaxed Astrodrill corporation with this DLC! * Establish outposts and trade with them in Colonies! Featuring 49 project cards, 5 corporations, and a whole new game system, Colonies is the most content-packed DLC to date! Languages available: French, English, German, Spanish, Italian, Swedish Having an issue? Looking for support? Please contact us: https://asmodee.helpshift.com/ Find all the latest news for Terraforming Mars on Facebook, Twitter and Youtube! Facebook: https://www.facebook.com/TwinSailsInt Twitter: https://twitter.com/TwinSailsInt YouTube: https://www.youtube.com/twinsailsinteractive © Twin Sails Interactive 2019. © FryxGames 2016. Terraforming Mars™ is a trademark of FryxGames. Developed by Artefact Studio.

About

Turing Machine Notepad

This digital notepad helps players of the Turing Machine board game track game state, manage deductions, and record test results. It offers an intuitive interface for managing multiple rounds and strategies, digitizing the gaming experience.

Highlights
  • Possibility elimination grid
  • Verification tracking table
  • Rich text editor with SF symbols
  • Auto-save functionality
  • Manage multiple rounds
  • Dynamic test row addition
Features
Read full description

Turing Machine Notepad is the essential app for players of the Turing Machine board game. Transform your iPhone into a smart digital notepad and track your game state with ease. KEY FEATURES - Possibility Elimination: Intuitive grid to cross out or circle shape and number combinations as you make deductions Verification Tracking: Dedicated table to record your tests and results from verifiers A through F, with visual checkboxes - Rich Notes: Advanced text editor with colored SF symbol insertion to annotate your strategies and hypotheses - Auto-Save: All your data is preserved instantly, resume your game anytime without losing progress WHY CHOOSE THIS APP? No more erasers and cross-outs on paper! Turing Machine Notepad digitizes your gaming experience by allowing you to: - Manage multiple rounds without confusion - Dynamically add test rows - Easily reset for a new game - Keep the screen active while you play OPTIMIZED INTERFACE Smooth navigation between the three main game sections, clean interface and design built for quick use during gameplay. Perfect for game nights, tournaments, or simply enhancing your Turing Machine experience! Note: This application is an unofficial support tool for the Turing Machine board game. The physical game is required to play.

Screenshots

Terraforming Mars4 screens
Turing Machine Notepad3 screens

Verdict

The call

The clearest difference is review sentiment: Turing Machine Notepad at 100% against Terraforming Mars's 45%. Turing Machine Notepad also leads on price (Free vs $8.99) and rating (5.0 vs 4.5). Terraforming Mars's advantage is update cadence (every 3 weeks vs every 9 months) and ratings volume (7.5K vs 3). On 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

CostPrice · In-app purchases · Ads · Monetization

Turing Machine Notepad is free to download; Terraforming Mars costs $8.99 up front. Terraforming Mars sells 6 one-off in-app purchases. Turing Machine Notepad asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Turing Machine Notepad holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Terraforming Mars has 7.5K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 45% of Terraforming Mars's written reviews are positive against 100% of Turing Machine Notepad's.

UpkeepUpdate frequency

Terraforming Mars ships an update every 3 weeks, Turing Machine Notepad every 9 months. The most recent releases landed on October 13, 2026 and October 5, 2026 respectively.

Scorecard9 real differences · 2 level
Terraforming Mars versus Turing Machine Notepad: the parameters behind the verdict, then further details
ParameterTerraforming MarsTuring Machine Notepad
Price$8.99Free — better
Rating4.5 (7.5K ratings)5.0 (3 ratings) — better
Positive reviews45.2% of reviews100.0% of reviews — better
Number of ratings7.5K — better3
Update frequencyEvery 3 weeks — betterEvery 9 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
Best chart rank#32 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size353 MB2 MB
Age rating12+4+
DeveloperTwin Sails InteractiveNicolas Lehovetzki

Customer experience

Terraforming Mars

All ratings7,460 ratings
Positive87.7%
Neutral3.9%
Negative8.4%
Written reviews899 reviews
Positive45.2%
Neutral15.9%
Negative38.9%

Turing Machine Notepad

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Terraforming Mars

Reported bugs

4 issues
  • Science tags not counted properly
  • Power infrastructure card not functioning
  • Inability to place tiles in some cases
  • Saved games not loading properly

Requested features

5 requests
  • Undo button for actions
  • Ability to see final game metrics
  • Notifications for turn updates
  • Ability to track win/loss records
  • More expansion content

Turing Machine Notepad

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

Terraforming Mars

One-time6
  • Original Promo Pack$2.99
  • Terraforming Mars - Prelude$3.99
  • Hellas & Elysium$3.99
Show 3 more
  • Venus Next$3.99
  • Colonies$3.99
  • Big Box Promo Pack$4.99
None

Turing Machine Notepad

No in-app purchases

Questions

Is Terraforming Mars free?
Terraforming Mars costs $8.99, and also offers in-app purchases.
Is Turing Machine Notepad free?
Turing Machine Notepad is free to download, with no in-app purchases.
Which has better reviews, Terraforming Mars or Turing Machine Notepad?
Turing Machine Notepad is rated higher. Terraforming Mars averages 4.5 out of 5 from 7.5K ratings, while Turing Machine Notepad averages 5.0 from 3 ratings.
Do Terraforming Mars or Turing Machine Notepad have ads?
Neither Terraforming Mars nor Turing Machine Notepad shows ads.
Which is updated more often, Terraforming Mars or Turing Machine Notepad?
Terraforming Mars ships an update every 3 weeks, and Turing Machine Notepad every 9 months. Most recently, Terraforming Mars was updated on October 13, 2026 and Turing Machine Notepad on October 5, 2026.

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