# Cow Evolution vs Monster Evolution Run

The clearest difference is review sentiment: Cow Evolution at 80% against Monster Evolution Run's 25%. Cow Evolution also leads on rating (4.7 vs 3.5) and update cadence (every 10 days vs every 6 months). Monster Evolution Run's advantage is in-app purchases (none vs 12). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Cow Evolution sells 12 one-off in-app purchases. Monster Evolution Run asks for nothing beyond the download.

Cow Evolution holds the better App Store score, 4.7 against 3.5. That said, the two scores are not equally well evidenced: Cow Evolution has 23K ratings behind it against 21, so its average is the more settled of the two. Written reviews point the same way: 80% of Cow Evolution's written reviews are positive against 25% of Monster Evolution Run's.

Cow Evolution ships an update every 10 days, Monster Evolution Run every 6 months. The most recent releases landed on October 1, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Cow Evolution | Monster Evolution Run |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (23K ratings)](https://appshunter.io/ios/app/cow-evolution-merge-to-evolve/id901864337/reviews)** | [3.5 (21 ratings)](https://appshunter.io/ios/app/monster-evolution-run/id6444207133/reviews) |
| Number of ratings | **23K** | 21 |
| Positive reviews | **79.9% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 10 days** | Every 6 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 153 MB | 299 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [TPG TECNOLOGIA DA INFORMACAO LTDA](https://appshunter.io/developer/444343830) | [Yso Corp](https://appshunter.io/developer/659815325) |

## What reviewers say

### Cow Evolution

[App page](https://appshunter.io/ios/app/cow-evolution-merge-to-evolve/id901864337)

Merge cows to discover new mutant creatures and build a unique farm. Collect resources, upgrade equipment, and customize your animals with various accessories. Explore different worlds and unlock mysterious species in this idle clicker game.

**Highlights:** Merge cows to discover mutant creatures, Collect coins and crystals, Upgrade farm equipment, Customize animals with accessories, Discover new worlds and species, Idle clicker gameplay

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ads removal | $0.99 | one-time |
| pack with 60 diamonds | $1.99 | one-time |
| instant coins doubler | $1.99 | one-time |
| pack of diamonds | $1.99 | one-time |
| pack of rubies | $1.99 | one-time |
| small frost gem pack | $1.99 | one-time |
| Promo Bundles Very High | $2.99 | one-time |
| pack with 200 diamonds | $3.99 | one-time |
| big pack of rubies | $4.99 | one-time |
| income doubler | $5.99 | one-time |
| pack with 500 diamonds | $6.99 | one-time |
| Trinket | $6.99 | one-time |

**What reviewers like**

- 👍 Fun and addictive gameplay
- 🤩 Cute and creative cow designs
- 💰 Rewarding progression system
- 🎨 Enjoyable art style

**What reviewers complain about**

- 📺 Excessive advertisements
- ⏱️ Lengthy wait times for crates
- 🐛 Occasional game freezes and crashes
- 🔍 Accessibility issues on newer devices

**Reported bugs**

- Achievements not tracking correctly
- Upgrade buttons disappearing or becoming unresponsive

**Requested features**

- Ability to create custom cows
- More diverse cow evolution paths
- Improved ad monetization model
- Faster crate opening times


### Monster Evolution Run

[App page](https://appshunter.io/ios/app/monster-evolution-run/id6444207133)

Grow your monster by eating food and evolving its DNA. Battle other evolved monsters and powerful bosses to become the strongest Kaiju.

**Highlights:** Monster evolution, DNA merging, Food consumption, Boss battles, Kaiju combat

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cow Evolution free?

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

### Is Monster Evolution Run free?

Monster Evolution Run is free to download, with no in-app purchases.

### Which has better reviews, Cow Evolution or Monster Evolution Run?

Cow Evolution is rated higher. Cow Evolution averages 4.7 out of 5 from 23K ratings, while Monster Evolution Run averages 3.5 from 21 ratings.

### Do Cow Evolution or Monster Evolution Run have ads?

Both Cow Evolution and Monster Evolution Run show ads.

### Which is updated more often, Cow Evolution or Monster Evolution Run?

Cow Evolution ships an update every 10 days, and Monster Evolution Run every 6 months. Most recently, Cow Evolution was updated on October 1, 2026 and Monster Evolution Run on September 28, 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.*