Comparison

Pig Evolution vs Spin a Zoo

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Pig Evolution

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
Read full description

Oink, oink! Look, IT’S A PIG! And it’s EVOLVING! Come meet all different and weird types of piggies in this FUNNY evolution game! Tired of being considered the dirtiest animals in the food chain, it’s time for the pigs to rub their evolution in everyone’s face! Actually, in this game, the dirtier your pigs are, the richer you will get: make coins POP as your pigs POOP and wallow in money while your herd of pigs wallow in… well, whatever they’re into! HOW TO PLAY • Drag and drop similar pigs to create new mysterious and mutant creatures • Use pig poop coins to buy new pigs and make even more money • Alternatively, fiercely tap a pig to make them poop and collect more coins! HIGHLIGHTS • Different levels and many different pig species to discover • Watch out for the impostors that will get in your way! • Put on funny HATS in your pigs and make them unique! • Paint your pigs the color you want and create a very very special herd of yours! No pigs were harmed in the making of this game, only developers. Come and check them out! Disclaimer: While this App is completely free to play, some additional content can be purchased for real money in-game. If you do not want to use this feature, please turn off in-app purchases in your device's settings. Like our page on Facebook and be the first to know about our upcoming games and updates! http://fb.com/tappshq

About

Spin a Zoo

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
Read full description

Meet Zuzie Zoo, animal lover and zoo keeper extraordinaire! Work with Zuzie and tap the paw to rescue animals and preserve wonderful habitats! DISCOVER THE WORLD OF ANIMALS Packed with over 40+ animals, from plentiful pigs at the Petting Zoo to the silent sharks in the Ocean Marine! CHOO, CHOO, TAP-A-ZOO Tap the paw and get a steam-train delivery of fresh goodies for your animals! Grow your zoo with vital resources, including tools for better enclosures, coins, fuel and instant wins! GLOBE-TROTTING RESCUE Explore the world and rescue animals across six different habitats. Once you have rescued them, don’t let them escape! COLLECT YOUR ZOO-VENIERS! Rescue animals to add them to your collection. Each animal has 5 rarity types, from Common to Limited Edition. Can you collect them all? RULE THE ZOO Be an Animal Lover with our subscription. The subscription will be charged at $3.99 / £3.49 per week. After buying this subscription, your Zoo Keeping will benefit from rewards, including: +50 Extra Spins, +10 Gems and +50 Raffle Tickets every day. Subscription Notice: Payment will be charged to iTunes Account at confirmation of purchase Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal Subscriptions may be managed by the user and auto-renewal may be turned off by going into the user’s Account Settings after purchase Any unused portion of a free trial will be forfeited when the user purchases a subscription, where applicable View Terms of Service: https://www.fullfat.com/terms-of-service/ View Privacy Policy: https://www.fullfat.com/privacy-policy/

Screenshots

Pig Evolution4 screens
Spin a Zoo4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard1 real difference · 9 level
Pig Evolution versus Spin a Zoo: the parameters behind the verdict, then further details
ParameterPig EvolutionSpin a Zoo
PriceFreeFree
Rating4.8 (1.5K ratings) — better4.6 (909 ratings)
Positive reviews93.8% of reviews — better77.9% of reviews
Number of ratings1.5K — better909
Update frequencyEvery 5 weeks — betterEvery 2 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size154 MB206 MB
Age rating4+12+
DeveloperTPG TECNOLOGIA DA INFORMACAO LTDAFull Fat Productions Ltd

Customer experience

Pig Evolution

All ratings1,454 ratings
Positive95.5%
Neutral2.8%
Negative1.7%
Written reviews195 reviews
Positive93.8%
Neutral3.1%
Negative3.1%

Spin a Zoo

All ratings909 ratings
Positive93.3%
Neutral5.3%
Negative1.4%
Written reviews77 reviews
Positive77.9%
Neutral13.0%
Negative9.1%

User reviews

Pig Evolution

From 1.5K App Store ratings

What we love

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

Room to improve

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

Spin a Zoo

From 909 App Store ratings

What we love

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

Room to improve

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

Bugs and requests

Pig Evolution

Reported bugs

3 issues
  • Disappearing purchased items
  • Ads with no close button
  • Freezing on loading screens

Requested features

3 requests
  • More color and theme options
  • Ability to save progress across devices
  • Expanded customization for pigs

Spin a Zoo

Reported bugs

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

Requested features

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

In-app purchases

16 purchases

Pig Evolution

One-time16
  • Remove Ads$1.99
  • Hard Currency Pack 1$1.99
  • pack with diamonds$1.99
Show 13 more
  • pack of rubies$1.99
  • instant coins doubler$1.99
  • Shop Bundle 2$2.99
  • Shop Bundle 1$2.99
  • Promo Bundles Very High$2.99
  • Hard Currency Pack 2$4.99
  • big pack of rubies$5.99
  • income doubler$5.99
  • Trinket$6.99
  • starter bundle discount$9.99
  • Hard Currency Pack 3$9.99
  • Hard Currency Pack 4$19.99
  • veteran bundle discount$19.99
15 purchases

Spin a Zoo

Subscriptions1
  • VIP Pass3 Days trial$3.997 Days
One-time14
  • Handful of Gems$0.99
  • Unlocked Africa Offer 2$0.99
  • Completed Africa Offer 1$0.99
Show 11 more
  • Packet of Batteries$1.99
  • Unlocked Asia Offer 2$1.99
  • Piggy Bank$3.99
  • Unlocked Marine Offer 2$3.99
  • Bucket of Gems$4.99
  • Bucket of Batteries$4.99
  • Remove Ads$5.99
  • Stash of Gems$9.99
  • Barrel of Batteries$9.99
  • Chest of Gems$19.99
  • Chest of Batteries$29.99

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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