Comparison

Project Entropy vs Mech Assemble

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

Mech Assemble

Build and customize your own unique mech with a vast array of parts and weapons. Engage in thrilling 3D shooting battles against zombie hordes to survive the apocalypse. Seasonal content keeps the gameplay fresh with new mechs, weapons, and cosmetic items.

Highlights
  • Dozens of customizable mech parts and weapons
  • Immersive 3D shooting adventure
  • Unique fighting styles and growth paths
  • Seasonal content with new mechs and weapons
  • Extensive mech and weapon variety
Features
Read full description

The apocalypse is here. Will you survive until the end? Scavenge through a wasteland filled with danger to find more than 100 weapons, pieces of equipment, enhancement components, and use them to forge your own combat style. Face a daunting lineup of ever-mutating zombies, relentless hordes, and powerful Doomsday Bosses. Be strong and be smart, every choice you make will determine your fate. Tear through enemies with a chainsaw, burn through zombie hordes with a flamethrower, or blast them apart with a laser cannon. Freely combine equipment and abilities, and carve out a path to survival amidst the chaos! Key Features Build Your Own Combat Style Collect and combine over 100 weapons, equipment pieces, and enhancement components. Choose from 30+ weapons and 10+ core builds to develop your own unique playstyle. Adapt your survival strategy at any time based on different enemies and battlefield conditions. Roguelike Doomsday Survival Explore procedurally generated wasteland maps, where every run offers new challenges. Face evolving zombies and powerful Bosses as you fight to survive endless Zombie Hordes. Failure means starting over, but every battle makes you stronger. Limited-Time Seasons & Doomsday Warfare Unlock Halloween outfits, Christmas-themed weapons, and exclusive event rewards. Complete seasonal missions and compete for higher rankings on the global leaderboard. Collect rare equipment and prepare for the next Doomsday War. Become the Ultimate Survivor Showcase your equipment builds and survival strategies. Join a Guild and fight alongside other survivors. Compete for scarce resources and build your own legend in the wasteland. Download now, grab your weapons, and survive before the Zombie Horde consumes the world!

Screenshots

Project Entropy4 screens
Mech Assemble4 screens

Verdict

The call

The clearest difference is review sentiment: Mech Assemble at 74% against Project Entropy's 25%. Mech Assemble also leads on rating (4.7 vs 4.4) and ratings volume (8.8K vs 1.4K). Project Entropy's advantage is ads (none vs shown). On price, update cadence, in-app purchases and monetization model 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 Mech Assemble sells 13 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Mech Assemble holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Mech Assemble has 8.8K 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 74% of Mech Assemble's.

UpkeepUpdate frequency

Project Entropy ships an update every 2 weeks, Mech Assemble weekly. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

Scorecard5 real differences · 6 level
Project Entropy versus Mech Assemble: the parameters behind the verdict, then further details
ParameterProject EntropyMech Assemble
PriceFreeFree
Rating4.4 (1.4K ratings)4.7 (8.8K ratings) — better
Positive reviews24.6% of reviews74.1% of reviews — better
Number of ratings1.4K8.8K — better
Update frequencyEvery 2 weeksWeekly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#184#59 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.014.0 — better
Further details — not scored
Size2.7 GB1.1 GB
Age rating12+12+
DeveloperFunPlus International AGFUNREALM INTERACTIVE PTE. LTD.

Customer experience

Project Entropy

All ratings1,369 ratings
Positive85.7%
Neutral3.2%
Negative11.1%
Written reviews276 reviews
Positive24.6%
Neutral8.7%
Negative66.7%

Mech Assemble

All ratings8,793 ratings
Positive94.3%
Neutral3.4%
Negative2.2%
Written reviews1,166 reviews
Positive74.1%
Neutral6.9%
Negative19.0%

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

Mech Assemble

From 8.8K App Store ratings

What we love

  • 🚀 Addictive game mechanics
  • 👍 Casual and fun gameplay
  • 👍 Customizable mech design
  • 🚀 Decent progression without microtransactions
  • 👍 Good graphics and visuals

Room to improve

  • 🐛 Targeting and camera issues
  • 🔍 Difficulty spike and pay-to-win elements
  • 🐛 Bugs and glitches with video ads
  • 🔁 Repetitive music and content
  • 🔁 Forced to download new version, lost progress

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

Mech Assemble

Reported bugs

4 issues
  • Targeting issues, especially with enemies behind walls
  • Crashes and connection issues
  • Progress loss when transitioning to new version
  • Inconsistent video ad functionality

Requested features

4 requests
  • More weapon slots and better weapon drop rates
  • Mech appearance changes with upgrades
  • Ability to replay previous levels for grinding
  • Improved balancing and difficulty curve

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
13 purchases

Mech Assemble

One-time13
  • Value Packs 99$0.99
  • Value Packs 199$1.99
  • Value Packs 299$2.99
Show 10 more
  • Value Packs 499$4.99
  • A bit of Diamonds$4.99
  • Value Packs 999$9.99
  • A Stack of Diamonds$9.99
  • Value Pack 1499$14.99
  • Value Packs 1999$19.99
  • Offer 1700 Diamond$19.99
  • Value Packs 2999$29.99
  • Value Packs 4999$49.99
  • Value Packs 9999$99.99

Questions

Is Project Entropy free?
Project Entropy is free to download, with in-app purchases available.
Is Mech Assemble free?
Mech Assemble is free to download, with in-app purchases available.
Which has better reviews, Project Entropy or Mech Assemble?
Mech Assemble is rated higher. Project Entropy averages 4.4 out of 5 from 1.4K ratings, while Mech Assemble averages 4.7 from 8.8K ratings.
Do Project Entropy or Mech Assemble have ads?
Mech Assemble shows ads; Project Entropy does not.
Which is updated more often, Project Entropy or Mech Assemble?
Project Entropy ships an update every 2 weeks, and Mech Assemble weekly. Most recently, Project Entropy was updated on October 27, 2026 and Mech Assemble on October 28, 2026.
Which is more popular, Project Entropy or Mech Assemble?
Project Entropy currently peaks at #184 in the App Store charts, and Mech Assemble at #59. Chart position reflects recent download velocity rather than total install base.

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