# Pig Evolution vs Spin a Zoo

Pig Evolution and Spin a Zoo both sit at 4.8 stars, but that hides the real split: 94% of Pig Evolution's written reviews are positive against 78% of Spin a Zoo's. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Pig Evolution sells 16 one-off in-app purchases and Spin a Zoo sells 15 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Pig Evolution holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 1.5K and 909 respectively. Written reviews point the same way: 94% of Pig Evolution's written reviews are positive against 78% of Spin a Zoo's.

Pig Evolution ships an update every 5 weeks, Spin a Zoo every 2 months. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Pig Evolution | Spin a Zoo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.5K ratings)](https://appshunter.io/ios/app/pig-evolution/id1187362853/reviews)** | [4.6 (909 ratings)](https://appshunter.io/ios/app/spin-a-zoo/id1217490230/reviews) |
| Number of ratings | **1.5K** | 909 |
| Positive reviews | **93.8% of reviews** | 77.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 154 MB | 206 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [TPG TECNOLOGIA DA INFORMACAO LTDA](https://appshunter.io/developer/444343830) | [Full Fat Productions Ltd](https://appshunter.io/developer/374306144) |

## What reviewers say

### Pig Evolution

[App page](https://appshunter.io/ios/app/pig-evolution/id1187362853)

Merge pigs to discover new mutant species and earn coins. Tap to speed up coin production and customize your herd with hats and colors. Watch out for impostors in this funny evolution clicker game.

**Highlights:** Merge similar pigs to create new mutant creatures, Earn coins from pig poop, Tap pigs to produce more coins, Discover different pig species and levels, Customize pigs with hats and colors, Avoid impostors

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

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| Hard Currency Pack 1 | $1.99 | one-time |
| pack with diamonds | $1.99 | one-time |
| pack of rubies | $1.99 | one-time |
| instant coins doubler | $1.99 | one-time |
| Shop Bundle 2 | $2.99 | one-time |
| Shop Bundle 1 | $2.99 | one-time |
| Promo Bundles Very High | $2.99 | one-time |
| Hard Currency Pack 2 | $4.99 | one-time |
| big pack of rubies | $5.99 | one-time |
| income doubler | $5.99 | one-time |
| Trinket | $6.99 | one-time |
| starter bundle discount | $9.99 | one-time |
| Hard Currency Pack 3 | $9.99 | one-time |
| Hard Currency Pack 4 | $19.99 | one-time |
| veteran bundle discount | $19.99 | one-time |

**What reviewers like**

- 👍 Fun and addictive game
- 🐷 Great for pig lovers
- 🎨 Cute and creative art style
- 💰 Generous with in-game rewards

**What reviewers complain about**

- 🐛 Occasional glitches and crashes
- 🔍 Limited customization options
- 💰 Expensive in-app purchases

**Reported bugs**

- Disappearing purchased items
- Ads with no close button
- Freezing on loading screens

**Requested features**

- More color and theme options
- Ability to save progress across devices
- Expanded customization for pigs


### Spin a Zoo

[App page](https://appshunter.io/ios/app/spin-a-zoo/id1217490230)

Rescue and collect over 40 unique animals from diverse habitats around the world. Tap to receive resources, grow your zoo, and discover rare animal types. Can you collect them all and become the ultimate zoo keeper?

**Highlights:** Rescue over 40 animals, Collect animals with 5 rarity types, Explore 6 different habitats, Tap for resources and goodies, Grow and manage your zoo, Daily rewards with subscription

**Features:** macOS Compatibility

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Pass | $3.99 | per 7 days |
| Handful of Gems | $0.99 | one-time |
| Unlocked Africa Offer 2 | $0.99 | one-time |
| Completed Africa Offer 1 | $0.99 | one-time |
| Packet of Batteries | $1.99 | one-time |
| Unlocked Asia Offer 2 | $1.99 | one-time |
| Piggy Bank | $3.99 | one-time |
| Unlocked Marine Offer 2 | $3.99 | one-time |
| Bucket of Gems | $4.99 | one-time |
| Bucket of Batteries | $4.99 | one-time |
| Remove Ads | $5.99 | one-time |
| Stash of Gems | $9.99 | one-time |
| Barrel of Batteries | $9.99 | one-time |
| Chest of Gems | $19.99 | one-time |
| Chest of Batteries | $29.99 | one-time |

**What reviewers like**

- 👍 Fun and addictive game
- 🐯 Cute and engaging animal characters
- 💡 Unique gameplay concept
- 🎁 Free resources available through ads

**What reviewers complain about**

- 🔋 Slow battery/energy recharge times
- 🎫 Difficulty obtaining needed resources
- 🛑 Frustrating loss of progress after updates
- 📢 Excessive advertisements

**Reported bugs**

- Game crashes and freezes
- Battery/energy not recharging properly
- Inconsistent time-based mechanics

**Requested features**

- More interactive features with animals
- Ability to save progress across devices
- Faster battery/energy recharge times
- Improved resource acquisition


## Frequently asked questions

### Is Pig Evolution free?

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

### Is Spin a Zoo free?

Spin a Zoo is free to download, with in-app purchases available.

### Which has better reviews, Pig Evolution or Spin a Zoo?

Pig Evolution is rated higher. Pig Evolution averages 4.8 out of 5 from 1.5K ratings, while Spin a Zoo averages 4.6 from 909 ratings.

### Do Pig Evolution or Spin a Zoo have ads?

Both Pig Evolution and Spin a Zoo show ads.

### Which is updated more often, Pig Evolution or Spin a Zoo?

Pig Evolution ships an update every 5 weeks, and Spin a Zoo every 2 months. Most recently, Pig Evolution was updated on October 15, 2026 and Spin a Zoo 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.*