Slime!! vs PetriPet 2
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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.
- Over 2000 slime varieties
- Feed and grow your slime
- Interactive touch and play
- Customizable backgrounds
- Monster battles to unlock slimes
- Apple Watch support
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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.
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.
- Customizable pet growth
- DNA Splice system
- Apple Watch complications
- Pedometer step tracking
- Independent watchOS app
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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
Verdict
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
Both are free to download. PetriPet 2 sells 4 one-off in-app purchases. Slime!! asks for nothing beyond the download.
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.
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.
| Parameter | Slime!! | PetriPet 2 |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (20 ratings) | 4.7 (16 ratings) — better |
| Positive reviews | 16.9% of reviews | 88.9% of reviews — better |
| Number of ratings | 20 — better | 16 |
| Update frequency | Every 3 months — better | Every 4 months |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPod, Apple Watch |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 29 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | KENSHI DOI | Drew Smith |
Customer experience
Slime!!
PetriPet 2
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
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- 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
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- 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
Slime!!
No in-app purchases
PetriPet 2
- Treat 5-Pack$0.99
- Hibernate$0.99
- Power Scooper$1.99
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- Auto Feeder$2.99








