# Project Entropy vs Mech Assemble

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.

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.

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.

Project Entropy ships an update every 2 weeks, Mech Assemble weekly. Both last shipped on October 27, 2026.

## The numbers

| Metric | Project Entropy | Mech Assemble |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (1.4K ratings)](https://appshunter.io/ios/app/project-entropy/id6443792064/reviews) | **[4.7 (8.8K ratings)](https://appshunter.io/ios/app/mech-assemble/id6739125107/reviews)** |
| Number of ratings | 1.4K | **8.8K** |
| Positive reviews | 24.6% of reviews | **74.1% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | #196 | **#52** |
| Size | 2.7 GB | 1.1 GB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [FunPlus International AG](https://appshunter.io/developer/1343106322) | [FUNREALM INTERACTIVE PTE. LTD.](https://appshunter.io/developer/1698286192) |

## What reviewers say

### Project Entropy

[App page](https://appshunter.io/ios/app/project-entropy/id6443792064)

**Currently charting:** #196 Top Grossing · Role Playing (US App Store)

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:** Vision Pro support

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription Perks | $9.99 | per month |
| NewBee Bunlde | $0.99 | one-time |
| a handful of R.C coins | $0.99 | one-time |
| a small pile of R.C coins | $1.99 | one-time |
| Bag of Gold | $2.99 | one-time |
| a stack of R.C coins coins | $4.99 | one-time |
| a bag full of R.C coins | $9.99 | one-time |
| a chest filled with R.C coins | $19.99 | one-time |
| A bag of R.C Coins | $24.99 | one-time |
| A bag of Dimond | $29.99 | one-time |
| Battlepass | $29.99 | one-time |
| a trunk of R.C coins | $49.99 | one-time |
| a vault of R.C coins | $99.99 | one-time |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

- 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**

- 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

[App page](https://appshunter.io/ios/app/mech-assemble/id6739125107)

**Currently charting:** #52 Top Grossing · Adventure, #102 Top Grossing · Role Playing (US App Store)

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:** Vision Pro support

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Value Packs 99 | $0.99 | one-time |
| Value Packs 199 | $1.99 | one-time |
| Value Packs 299 | $2.99 | one-time |
| Value Packs 499 | $4.99 | one-time |
| A bit of Diamonds | $4.99 | one-time |
| Value Packs 999 | $9.99 | one-time |
| A Stack of Diamonds | $9.99 | one-time |
| Value Pack 1499 | $14.99 | one-time |
| Value Packs 1999 | $19.99 | one-time |
| Offer 1700 Diamond | $19.99 | one-time |
| Value Packs 2999 | $29.99 | one-time |
| Value Packs 4999 | $49.99 | one-time |
| Value Packs 9999 | $99.99 | one-time |

**What reviewers like**

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

**What reviewers complain about**

- 🐛 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

**Reported bugs**

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

**Requested features**

- 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


## Frequently asked 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 27, 2026.

### Which is more popular, Project Entropy or Mech Assemble?

Project Entropy currently peaks at #196 in the App Store charts, and Mech Assemble at #52. Chart position reflects recent download velocity rather than total install base.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*