# Idle Monster TD vs Merge Monster Evolution

Idle Monster TD and Merge Monster Evolution both sit at 4.7 stars, but that hides the real split: 75% of Merge Monster Evolution's written reviews are positive against 63% of Idle Monster TD's. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Idle Monster TD sells 10 one-off in-app purchases and Merge Monster Evolution sells 10 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 Idle Monster TD against 4.6 for Merge Monster Evolution. Both are backed by a comparable volume of ratings — 2.6K and 1.8K respectively. Written reviews are what separate them: 63% of Idle Monster TD's written reviews are positive against 75% of Merge Monster Evolution's.

Idle Monster TD ships an update weekly, Merge Monster Evolution fortnightly. Both last shipped on November 3, 2026.

## The numbers

| Metric | Idle Monster TD | Merge Monster Evolution |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2.6K ratings)](https://appshunter.io/ios/app/idle-monster-td/id1493941058/reviews)** | [4.6 (1.8K ratings)](https://appshunter.io/ios/app/merge-monster-evolution/id1568436359/reviews) |
| Number of ratings | **2.6K** | 1.8K |
| Positive reviews | 63.0% of reviews | **74.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 116 MB | 326 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [Swell Games LLC](https://appshunter.io/developer/1608286310) | [Super Awesome Inc.](https://appshunter.io/developer/918383565) |

## What reviewers say

### Idle Monster TD

[App page](https://appshunter.io/ios/app/idle-monster-td/id1493941058)

Defend your monster homeland from invading robots in this unique tower defense game. Strategically deploy a variety of monsters with unique skills and elements to stop the mechanical onslaught. Upgrade your defenses and unlock new creatures as you progress through endless waves of enemies.

**Highlights:** Unlock 44 unique elemental monsters, Strategic monster placement and synergy, 8 diverse defense maps, Bi-weekly PvP tournaments, Countless upgrades and research options, Offline gold earnings, Endless gameplay

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Offline Gold Perk | $4.99 | one-time |
| Tournament Boost | $4.99 | one-time |
| Gems Pack 1 | $4.99 | one-time |
| Ads Bundle | $7.99 | one-time |
| Starter Pack | $7.99 | one-time |
| Game Speed x2 | $9.99 | one-time |
| Gems Pack 2 | $9.99 | one-time |
| Slayer Bundle | $17.99 | one-time |
| Gems Pack 3 | $19.99 | one-time |
| Pro Pack | $19.99 | one-time |

**What reviewers like**

- 🚀 Great game
- 👍 Addictive gameplay
- 🎨 Cute art style
- 💰 Free-to-play friendly
- 🔍 Lots of content and progression

**What reviewers complain about**

- 💰 Expensive in-app purchases
- 🐢 Slow progression at higher levels
- 🔋 Requires constant screen time
- 🐛 Crashes and bugs
- 🤔 Lack of offline progression

**Reported bugs**

- Leaderboards not loading
- Prestige feature not working as expected
- Targeting issues with towers
- Inconsistent ad rewards
- Essence and currency display issues

**Requested features**

- Add more monsters and towers
- Implement offline progression
- Improve speed options and controls
- Add more communication features (clans, chat, etc.)
- Optimize for larger screens (iPad, iPhone X/11)


### Merge Monster Evolution

[App page](https://appshunter.io/ios/app/merge-monster-evolution/id1568436359)

Summon and merge monsters to create an epic army with unique skills. Build a powerful squad to defeat challenging boss monsters and claim victory in this role-playing game.

**Highlights:** Summon Epic Monsters, Merge Monsters to Evolve, Collect 50+ Monsters, Build Monster Squads, Defeat Boss Monsters

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gems | $0.99 | one-time |
| Limited Package | $4.99 | one-time |
| Red Summon Stones | $4.99 | one-time |
| Gem Pocket | $9.99 | one-time |
| VIP Package 1 | $9.99 | one-time |
| Red Summon Stone Pocket | $9.99 | one-time |
| VIP Package 2 | $19.99 | one-time |
| Growth Support Package | $29.99 | one-time |
| Gem Box | $49.99 | one-time |
| Red Summon Stone Box | $49.99 | one-time |

**What reviewers like**

- ⭐️ Addictive and fun gameplay
- 👍 Unique monster designs
- 🚀 Smooth performance
- 💎 Rewarding progression system

**What reviewers complain about**

- 🐛 Bugs and crashes
- 💰 Excessive in-app purchases
- 📺 Too many ads
- 🔒 Issues with purchased content

**Reported bugs**

- Purchased VIP features not working
- Deleted rare monsters cannot be recovered
- Frequent loading issues and freezes
- Inconsistent ad rewards

**Requested features**

- Add more levels and content
- Improve the battle system
- Introduce multiplayer or social features
- Allow for more customization options


## Frequently asked questions

### Is Idle Monster TD free?

Idle Monster TD is free to download, with in-app purchases available.

### Is Merge Monster Evolution free?

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

### Which has better reviews, Idle Monster TD or Merge Monster Evolution?

Idle Monster TD is rated higher. Idle Monster TD averages 4.7 out of 5 from 2.6K ratings, while Merge Monster Evolution averages 4.6 from 1.8K ratings.

### Do Idle Monster TD or Merge Monster Evolution have ads?

Both Idle Monster TD and Merge Monster Evolution show ads.

### Which is updated more often, Idle Monster TD or Merge Monster Evolution?

Idle Monster TD ships an update weekly, and Merge Monster Evolution fortnightly. Most recently, Idle Monster TD was updated on November 3, 2026 and Merge Monster Evolution on November 3, 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.*