# Cow Evolution vs Scream Sheep

The clearest difference is ratings volume: Cow Evolution at 24K against Scream Sheep's 2. Scream Sheep's advantage is review sentiment (100% vs 79%) and rating (5.0 vs 4.7). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Cow Evolution sells 10 one-off in-app purchases and Scream Sheep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Scream Sheep holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Cow Evolution has 24K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 79% of Cow Evolution's written reviews are positive against 100% of Scream Sheep's.

Cow Evolution ships an update every 2 weeks, Scream Sheep every 3 weeks. The most recent releases landed on November 10, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Cow Evolution | Scream Sheep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (24K ratings)](https://appshunter.io/ios/app/cow-evolution-merge-to-evolve/id901864337/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/scream-sheep/id6749043202/reviews)** |
| Number of ratings | **24K** | 2 |
| Positive reviews | 79.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 156 MB | 88 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [TPG TECNOLOGIA DA INFORMACAO LTDA](https://appshunter.io/developer/444343830) | [Phan Minh Cuong](https://appshunter.io/developer/1580940153) |

## 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 (10)**

| 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 |
| pack with 200 diamonds | $3.99 | 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


### Scream Sheep

[App page](https://appshunter.io/ios/app/scream-sheep/id6749043202)

Control a sheep using your voice to navigate obstacles. A small voice makes it walk, a larger one makes it jump, and a shout makes it jump higher. Experience a unique gameplay mechanic designed for fun and excitement.

**Highlights:** Voice-controlled gameplay, Jump and avoid obstacles, Adjust jump height with voice volume, Unique interactive experience, Simple and intuitive controls

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Cow Evolution free?

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

### Is Scream Sheep free?

Scream Sheep is free to download, with in-app purchases available.

### Which has better reviews, Cow Evolution or Scream Sheep?

Scream Sheep is rated higher. Cow Evolution averages 4.7 out of 5 from 24K ratings, while Scream Sheep averages 5.0 from 2 ratings.

### Do Cow Evolution or Scream Sheep have ads?

Both Cow Evolution and Scream Sheep show ads.

### Which is updated more often, Cow Evolution or Scream Sheep?

Cow Evolution ships an update every 2 weeks, and Scream Sheep every 3 weeks. Most recently, Cow Evolution was updated on November 10, 2026 and Scream Sheep on November 5, 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.*