Comparison

Slime!! vs PetriPet 2

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

Head to head
About

Slime!!

Create and interact with your own virtual slime. Feed, play, and clean your slime, customizing its environment with your own images. Battle monsters to unlock new slimes and enjoy a unique experience on your Apple Watch.

Highlights
  • Over 2000 slime varieties
  • Feed and grow your slime
  • Interactive touch and play
  • Customizable backgrounds
  • Monster battles to unlock slimes
  • Apple Watch support
Features
Read full description

Slime!! is a slime simulator. You can select your favorite slime from over 2000 slimes(limited to 180 at first). Feed your slime and it will grow up. Touch and play with your slime. You can set floor or slime texture image from whatever images/photos you like(photo/camera/built-in). When your slime get dirty, swipe and clean it up. Drive monsters away with tapping them. You can add more slimes after defeating boss monster of each stage. Apple Watch support: Screen shots of your own slime appears on your wrist. Remote tap while iPhone app running. Other features: iCloud data migration Image capture SNS posting Related Apps: "Slimie!!" Photo modification tool via slimes "Slime VR" VR app of slimes(You can transfer slimes in Slime!! via iCloud save/load function) "Slime for Kids" Simple interactive app for kids.

About

PetriPet 2

Cultivate a unique virtual pet from a single cell to adulthood. Care for your creature by feeding, cleaning, and walking it. Customize its appearance and behavior with DNA Splices, which can alter gameplay difficulty and rewards.

Highlights
  • Customizable pet growth
  • DNA Splice system
  • Apple Watch complications
  • Pedometer step tracking
  • Independent watchOS app
Features
Read full description

Enter the laboratory and grow your own custom virtual pet from a single-celled organism to an old-aged adult. Along the way you will feed, clean, walk, and care for your pet. As your pet grows, you will have the opportunity to customize the way your pet looks and acts using "DNA Splice" power-ups and mini-games. "Splices" can reward the player -- like doubling the amount of experience points earned but they can also make the gameplay more challenging -- like causing your pet to eat its food at a faster rate. There are hundreds of combinations that allow you to grow a pet that is as unique as you are. What will you create? Features include: - Hundreds of available combinations to create a truly unique creature. - Innovative ‘Splice System’ changes the gameplay as your pet evolves. - Complications for tracking food supply and other vitals right on your Apple Watch face. - Pedometer support for tracking your pet’s (and your own) step goal progress. - Independent watchOS app - no iPhone required.

Screenshots

Slime!!4 screens

Verdict

The call

The clearest difference is review sentiment: PetriPet 2 at 89% against Slime!!'s 17%. PetriPet 2 also leads on rating (4.7 vs 2.6) and ads (none vs shown). Slime!!'s advantage is in-app purchases (none vs 4). On price, ratings volume, update cadence and device support 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. PetriPet 2 sells 4 one-off in-app purchases. Slime!! asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

PetriPet 2 holds the better App Store score, 4.7 against 2.6. Both are backed by a comparable volume of ratings — 20 and 16 respectively. Written reviews point the same way: 17% of Slime!!'s written reviews are positive against 89% of PetriPet 2's.

UpkeepUpdate frequency

Slime!! ships an update every 3 months, PetriPet 2 every 4 months. The most recent releases landed on October 17, 2026 and October 13, 2026 respectively.

Scorecard5 real differences · 5 level
Slime!! versus PetriPet 2: the parameters behind the verdict, then further details
ParameterSlime!!PetriPet 2
PriceFreeFree
Rating2.6 (20 ratings)4.7 (16 ratings) — better
Positive reviews16.9% of reviews88.9% of reviews — better
Number of ratings20 — better16
Update frequencyEvery 3 months — betterEvery 4 months
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPod, Apple Watch
Requires iOS12.0 — better13.0
Further details — not scored
Size29 MB17 MB
Age rating4+4+
DeveloperKENSHI DOIDrew Smith

Customer experience

Slime!!

All ratings20 ratings
Positive40.0%
Neutral0.0%
Negative60.0%
Written reviews59 reviews
Positive16.9%
Neutral10.2%
Negative72.9%

PetriPet 2

All ratings16 ratings
Positive93.8%
Neutral6.3%
Negative0.0%
Written reviews9 reviews
Positive88.9%
Neutral11.1%
Negative0.0%

Bugs and requests

Slime!!

Reported bugs

9 issues
  • Game is slow and laggy
  • Keeps glitching and lagging
  • Slime doesn't move or react
  • Buttons are missing or unresponsive
  • Food won't move
Show 4 more
  • App crashes
  • Cannot download the app
  • Slime gets bigger and fills screen
  • Sensitivity to touch is glitchy

Requested features

10 requests
  • Make the game faster
  • Add ability to make slime
  • Allow stretching of slime
  • Add more interactive features
  • Improve controls for food
Show 5 more
  • Implement battles between slimes
  • Add sound effects
  • Update to modern standards
  • Add games to play with slime
  • Allow slime to stretch and create holes

PetriPet 2

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Slime!!

No in-app purchases

4 purchases

PetriPet 2

One-time4
  • Treat 5-Pack$0.99
  • Hibernate$0.99
  • Power Scooper$1.99
Show 1 more
  • Auto Feeder$2.99

Questions

Is Slime!! free?
Slime!! is free to download, with no in-app purchases.
Is PetriPet 2 free?
PetriPet 2 is free to download, with in-app purchases available.
Which has better reviews, Slime!! or PetriPet 2?
PetriPet 2 is rated higher. Slime!! averages 2.6 out of 5 from 20 ratings, while PetriPet 2 averages 4.7 from 16 ratings.
Do Slime!! or PetriPet 2 have ads?
Slime!! shows ads; PetriPet 2 does not.
Which is updated more often, Slime!! or PetriPet 2?
Slime!! ships an update every 3 months, and PetriPet 2 every 4 months. Most recently, Slime!! was updated on October 17, 2026 and PetriPet 2 on October 13, 2026.

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