Comparison

Project Entropy vs Mecha Fire

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

Head to head
About

Project Entropy

Command a vast fleet in a sci-fi universe, exploring uncharted planets, recruiting alien lifeforms, and engaging in real-time multiplayer combat. Forge alliances, customize your forces with advanced weaponry, and rise to rule the stars.

Highlights
  • Assemble diverse crews and fleets
  • Customize heroes and vehicles
  • Engage in deep, dynamic combat
  • Command tanks and aircraft
  • Utilize advanced weaponry
  • Real-time multiplayer battles
  • Join alliances for warfare
Features
Read full description

Commander, This universe is a wild frontier filled with danger, mystery, and rare resources critical to humanity's survival and expansion among the stars. You'll discover planets torn apart by savage sandstorms and prowled by colossal dreadwyrms… frozen blue oceans locked in eternal ice… crimson worlds bubbling with lava and ash… and lush green jungles teeming with towering alien flora and strange, elusive creatures. And beyond these lie countless uncharted planets, just waiting for you to conquer. Assemble your fleet. The unknown awaits. Commander, Out here, you build your fleet your way. Recruit terrifying alien lifeforms, unleash ruthless machines, or blend the two into a force no one dares to challenge. There are no rules, only victory. In this vast galaxy, you'll clash with alien empires, forge alliances with powerful factions, and survive sudden ambushes from rival fleets. The universe is chaotic and unforgiving, but we believe in you. Out here, legends are born. This is your moment to crush your enemies, conquer new worlds, and rise to rule the stars. Now go, Commander. Your conquest begins. PROJECT ENTROPY FEATURES: ASSEMBLE YOUR CREW: As an Interstellar Trial Commander, you'll encounter and recruit incredible species from across the universe, harnessing their unique technologies to fortify your forces. Carve your own path through the stars. JOIN A FLEET COMMAND: You have the freedom to create a team that perfectly suits your playstyle and strategy, and upgrade them with powerful weapons to build the best fleet command to increase attack and defense. Customize your vehicles and weapons. CUSTOMIZE EPIC HEROES: Uncover the stories of war heroes as your epic journey unfolds. Recruit heroes to your team for a united front and upgrade their skills. DEEP AND DYNAMIC COMBAT: Prepare for the Grod! These alien beasts have been roused. As an Interstellar Trial Commander, you'll need to harness advanced technology and cunning strategies to quell the threat. VERSATILE WARFARE: Command powerful tanks and aircraft, each with their own unique tactical advantages. Whether you're facing Grod swarms or enemy forces, your strategic choices will define your legacy. ADVANCED ARMAMENTS: Choose from a vast array of high-tech weaponry, including patrolling tanks and combat mechs. Shape your armory to suit your gameplay style. REAL-TIME BATTLE STRATEGY: Engage in real-time multiplayer combat. Battle against other alliances on the region map for control of territories and resources, and encounter a wide variety of environments, creatures, and technologies throughout the game. ALLIANCE WARFARE SYSTEM: In times of crisis, allies are invaluable. Join an alliance and fight for the glory of your comrades-in-arms. GLOBAL INTERACTION: Converse with players from around the world, breaking down language barriers with our powerful real-time translation system. In Project Entropy, you can command your troops and recruit the best crew of heroes in this sci-fi and RPG legends game. Navigate through the galaxy by engaging in epic space battles, discovering new civilizations, and completing challenging missions. Join the fleet; the cosmos is calling. A myriad of planets await your conquest. Seize your opportunity to become a legend among the stars. Help & Support: trc_official@funplus.com Privacy Policy: https://funplus.com/privacy-policy/ Terms of Service: https://funplus.com/terms-conditions/ Discord Server: https://discord.gg/mRVQcXJP

About

Mecha Fire

Lead a Mecha army and powerful Heroes to defend a Martian colony from native creatures. Develop advanced technologies, construct defenses, and manage resources to ensure humanity's survival. Collaborate with other players to forge alliances and strategize for victory.

Highlights
  • Command unique Heroes
  • Build and upgrade colony base
  • Research advanced technologies
  • Train diverse Mecha units
  • Form alliances with players
  • Strategic combat gameplay
Features
Read full description

Mars, the next frontier for human colonization, is under siege. In this thrilling adventure set against the harsh and unforgiving Martian landscapes, you will lead a Mecha army and powerful Heroes to defend your colony from the relentless Swarm—native creatures standing in the way of building a new home on Mars. As commander, you must harness the unique abilities of your Heroes to protect your base and ensure the survival of your people. Develop advanced technologies, construct fortified structures, and manage resources wisely to withstand the onslaught of the Swarm and other potential threats. Embark on a heroic journey in the Mecha Fire and prove your prowess as the ultimate commander on Mars. Your leadership will determine the fate of the colony. Will you prioritize strengthening your defenses or focus on expanding your territory? Collaborate with other players, devise cunning strategies, and fight for humanity's future on Mars! GAME FEATURES Command Powerful Heroes: Lead an army of diverse Heroes, each with unique skills and abilities. Upgrade and equip your Heroes to enhance their combat effectiveness and unlock special powers that can turn the tide of battle. Base Development: Build and upgrade essential structures to support your colony's growth. Research advanced technologies to improve your defenses, resource management, and military capabilities. Balance your resources to ensure the prosperity and safety of your colony. Army Training and Strategy: Recruit and train a variety of Mecha units to form a formidable army. Develop strategies that leverage the strengths of your Heroes and Mecha Warriors. Upgrade your forces to increase their resilience against the Swarm. Collaborative Defense: Team up with other players to form alliances. Share resources, coordinate defense strategies, and protect each other's colonies. Engage in alliance missions to earn rewards and strengthen your position on Mars. SPECIAL NOTES · This game includes random-item purchases. · Network connection is required. · Privacy Policy: https://www.leyinetwork.com/en/privacy/ · Terms of Use: https://www.leyinetwork.com/en/privacy/terms_of_use

Screenshots

Project Entropy4 screens
Mecha Fire4 screens

Verdict

The call

The clearest difference is ads: Project Entropy at none against Mecha Fire's shown. Project Entropy also leads on chart position (#183 vs unranked). Mecha Fire's advantage is review sentiment (41% vs 25%) and ratings volume (17K vs 1.4K). On price, rating, update cadence and in-app purchases 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. Project Entropy sells 13 in-app purchases, starting at $9.99 per month and Mecha Fire sells 14 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Mecha Fire holds the better App Store score, 4.6 against 4.4. That said, the two scores are not equally well evidenced: Mecha Fire has 17K ratings behind it against 1.4K, so its average is the more settled of the two. Written reviews point the same way: 25% of Project Entropy's written reviews are positive against 41% of Mecha Fire's.

UpkeepUpdate frequency

Project Entropy ships an update every 2 weeks, Mecha Fire fortnightly. The most recent releases landed on September 30, 2026 and October 2, 2026 respectively.

Scorecard5 real differences · 6 level
Project Entropy versus Mecha Fire: the parameters behind the verdict, then further details
ParameterProject EntropyMecha Fire
PriceFreeFree
Rating4.4 (1.4K ratings)4.6 (17K ratings) — better
Positive reviews24.7% of reviews40.7% of reviews — better
Number of ratings1.4K17K — better
Update frequencyEvery 2 weeks — betterFortnightly
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#183 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size2.7 GB813 MB
Age rating12+17+
DeveloperFunPlus International AGLEXIANGCO.,LIMITED

Customer experience

Project Entropy

All ratings1,367 ratings
Positive85.7%
Neutral3.2%
Negative11.0%
Written reviews275 reviews
Positive24.7%
Neutral8.7%
Negative66.5%

Mecha Fire

All ratings17,390 ratings
Positive91.2%
Neutral5.7%
Negative3.1%
Written reviews920 reviews
Positive40.7%
Neutral6.4%
Negative52.9%

User reviews

Project Entropy

From 1.4K App Store ratings

What we love

  • 🚀 Awesome gameplay
  • 👍 Great graphics and animations
  • 💡 Interesting storyline and characters
  • 🤝 Engaging alliance and community features

Room to improve

  • 🐛 Frequent bugs and crashes
  • 🕰️ Slow progression and resource gathering
  • 💰 Aggressive monetization and pay-to-win mechanics
  • 🤖 Repetitive and unbalanced gameplay

Mecha Fire

From 17K App Store ratings

What we love

  • 🙂 Fun game
  • 🌟 Unique game
  • 👍 Always something to do

Room to improve

  • 🔇 No way to turn off background music
  • 🤖 Robotic character voices
  • 🕹️ Overly complex and chaotic
  • 💰 Not worth spending money on
  • 🐛 Glitchy

Bugs and requests

Project Entropy

Reported bugs

4 issues
  • Game freezes and crashes during combat
  • Server merges causing major progress loss
  • Inability to progress past certain stages
  • Incorrect or missing in-game information

Requested features

4 requests
  • Add more variety in gameplay modes
  • Improve server stability and reduce downtime
  • Increase drop rates for rare items and heroes
  • Provide better communication and support from developers

Mecha Fire

Reported bugs

2 issues
  • Compatibility issues with older devices
  • Frequent crashes and problems since joining

Requested features

3 requests
  • Simpler single-player experience
  • Ability to freely move structures in base
  • More hero options

In-app purchases

13 purchases

Project Entropy

Subscriptions1
  • Subscription Perks1 Month trial$9.991 Month
One-time12
  • NewBee Bunlde$0.99
  • a handful of R.C coins$0.99
  • a small pile of R.C coins$1.99
Show 9 more
  • Bag of Gold$2.99
  • a stack of R.C coins coins$4.99
  • a bag full of R.C coins$9.99
  • a chest filled with R.C coins$19.99
  • A bag of R.C Coins$24.99
  • A bag of Dimond$29.99
  • Battlepass$29.99
  • a trunk of R.C coins$49.99
  • a vault of R.C coins$99.99
14 purchases

Mecha Fire

One-time14
  • Treasures Pack$0.99
  • Treasures Pack$1.99
  • Treasures Pack$2.99
Show 11 more
  • Treasures Pack$3.99
  • Treasures Pack$4.99
  • Treasures Pack$9.99
  • Treasures Pack$14.99
  • Treasures Pack$19.99
  • Treasures Pack$24.99
  • Treasures Pack$49.99
  • Treasures Pack$54.99
  • Treasures Pack$79.99
  • Treasures Pack$89.99
  • Treasures Pack$99.99

Questions

Is Project Entropy free?
Project Entropy is free to download, with in-app purchases available.
Is Mecha Fire free?
Mecha Fire is free to download, with in-app purchases available.
Which has better reviews, Project Entropy or Mecha Fire?
Mecha Fire is rated higher. Project Entropy averages 4.4 out of 5 from 1.4K ratings, while Mecha Fire averages 4.6 from 17K ratings.
Do Project Entropy or Mecha Fire have ads?
Mecha Fire shows ads; Project Entropy does not.
Which is updated more often, Project Entropy or Mecha Fire?
Project Entropy ships an update every 2 weeks, and Mecha Fire fortnightly. Most recently, Project Entropy was updated on September 30, 2026 and Mecha Fire on October 2, 2026.

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