# Zombie Evolution vs Swarm Simulator

The clearest difference is update cadence: Swarm Simulator at every 9 days against Zombie Evolution's every 6 weeks. Swarm Simulator also leads on iOS requirement (12.0 vs 15.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Zombie Evolution sells 12 one-off in-app purchases and Swarm Simulator sells 11 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Zombie Evolution against 4.7 for Swarm Simulator. Both are backed by a comparable volume of ratings — 2.1K and 2.7K respectively. Written reviews are what separate them: 82% of Zombie Evolution's written reviews are positive against 78% of Swarm Simulator's.

Zombie Evolution ships an update every 6 weeks, Swarm Simulator every 9 days. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Zombie Evolution | Swarm Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (2.1K ratings)](https://appshunter.io/ios/app/zombie-evolution/id1289732243/reviews) | [4.7 (2.7K ratings)](https://appshunter.io/ios/app/swarm-simulator-evolution/id1320056680/reviews) |
| Number of ratings | 2.1K | **2.7K** |
| Positive reviews | **81.9% of reviews** | 78.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 154 MB | 158 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TPG TECNOLOGIA DA INFORMACAO LTDA](https://appshunter.io/developer/444343830) | [Iron Horse Games LLC](https://appshunter.io/developer/1281721366) |

## What reviewers say

### Zombie Evolution

[App page](https://appshunter.io/ios/app/zombie-evolution/id1289732243)

Combine different mutant zombies to create a unique undead horde. Discover new species, unlock a mind-blowing story, and find various endings in this incremental clicker game. It's a biohazard dream for aspiring necromancers.

**Highlights:** Graft and stitch mutant zombies, Discover new zombie species, Unlock a mind-blowing story, Incremental clicker gameplay, Multiple possible endings, Doodle-like illustrations

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| pack of rubies | $1.99 | one-time |
| Hard Currency Pack 1 | $1.99 | one-time |
| pack with diamonds | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Shop Bundle | $2.99 | one-time |
| Promo Bundles Very High | $2.99 | one-time |
| Hard Currency Pack 2 | $3.99 | one-time |
| big pack of rubies | $4.99 | one-time |
| Shop Bundle | $5.99 | one-time |
| Trinket | $6.99 | one-time |
| Hard Currency Pack 3 | $6.99 | one-time |
| starter bundle discount | $9.99 | one-time |

**What reviewers like**

- 👍 Fun game
- 🎨 Enjoyable customization
- 🕹️ Addictive gameplay
- 🧟‍♂️ Cute zombie designs

**What reviewers complain about**

- 💰 Too many ads
- 🐛 Glitches and bugs
- 🔍 Limited progression/content
- 🔙 Difficulty returning from certain areas

**Reported bugs**

- Hats/accessories disappearing
- Daily rewards not working
- Freezing/crashing on certain screens
- Progression issues when recreating universe

**Requested features**

- More evolution types and worlds
- Improved daily reward system
- Ability to save/restore progress
- Reduced ad frequency


### Swarm Simulator

[App page](https://appshunter.io/ios/app/swarm-simulator-evolution/id1320056680)

Evolve your insect colony from simple larvae to powerful hive minds in this 3D incremental idle clicker game. Conquer territory, sacrifice units for growth, and ascend to unlock new mutations and expand your swarm across the universe.

**Highlights:** Incremental idle clicker gameplay, Endless progression and unit evolution, Idle mode for offline growth, Ascend system with new mutations, All-new 3D graphics and units, Elixir buffs and Golden Bug bonuses

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pouch of Crystals | $4.99 | one-time |
| Elixir Mega Pack | $4.99 | one-time |
| Swarm Supporter Pack | $9.99 | one-time |
| Bag of Crystals | $9.99 | one-time |
| Crystalline King Pack | $9.99 | one-time |
| Arcane Amplifier Pack | $9.99 | one-time |
| Super Shards Pack | $9.99 | one-time |
| Challenge Crusher Pack | $9.99 | one-time |
| Barrel of Crystals | $19.99 | one-time |
| Elixir Ultra Pack | $24.99 | one-time |
| Storehouse of Crystals | $49.99 | one-time |

**What reviewers like**

- 👍 Fun and addictive gameplay
- 🚀 Smooth and responsive
- 💡 Unique incremental mechanics
- 🔒 Minimal ads, not intrusive

**What reviewers complain about**

- 🐛 Bugs and glitches in recent updates
- 🔋 High battery consumption
- 💰 Expensive in-app purchases

**Reported bugs**

- Crashes on launch
- Stuck on loading screen
- Incorrect display of resources and upgrades
- Issues with cloud save functionality

**Requested features**

- More content and updates
- Offline mode
- Customization options
- Improved progression and endgame


## Frequently asked questions

### Is Zombie Evolution free?

Zombie Evolution is free to download, with in-app purchases available.

### Is Swarm Simulator free?

Swarm Simulator is free to download, with in-app purchases available.

### Which has better reviews, Zombie Evolution or Swarm Simulator?

Zombie Evolution and Swarm Simulator are both rated 4.7 out of 5 on the App Store, from 2.1K and 2.7K ratings respectively.

### Do Zombie Evolution or Swarm Simulator have ads?

Both Zombie Evolution and Swarm Simulator show ads.

### Which is updated more often, Zombie Evolution or Swarm Simulator?

Zombie Evolution ships an update every 6 weeks, and Swarm Simulator every 9 days. Most recently, Zombie Evolution was updated on October 6, 2026 and Swarm Simulator on October 7, 2026.

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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.*