Kitty Kitty vs Pasterium C
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Kitty Kitty
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Meet your new best friend. Kitty Kitty is a cozy little virtual pet game where you adopt a hand-drawn kitten and care for it as it grows. Choose your kitten, give it a name, and look after the things that matter: feed it when it is hungry, play when it wants to play, let it rest, and keep it clean. The cat you adopt stays your cat, the same little character through every cuddle, nap, and play session. Kitty Kitty is calm and kind by design. There are no timers pushing you, no ads interrupting you, and nothing to buy. It is just you and your kitten. Features - Adopt and name your own kitten - Feed, play, rest, and clean to keep your cat happy and healthy - Watch your kitten grow while staying recognizably the same cat - Soft, hand-drawn art in cream, plum, and rose, with three kittens to choose from at launch and more on the way - A charming paw-shaped start button - Completely private: no accounts, no ads, no tracking, and no data collected Bring home a kitten today.
Pasterium C
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Spend quiet days with your fish in a little aquarium. Pasterium C is a 3D aquarium set in a softly muted pastel room, where you enjoy everyday life with your fish. You start with three little fish in a fishbowl. Give them names, feed them, and watch them slowly grow and bond with you. - Every fish has its own personality and looks Even fish of the same kind each have something special. Keep an eye on growth, bond, and health on each fish’s card. Fish that feel weak can get care, or rest at boarding. - A life that grows a little every day New friends and ornaments arrive, and sometimes eggs are laid. On day 7 the living room tank opens, and on day 14 you get an auto feeder you can use in any tank. - Make the tank your own Choose plants, ornaments, sand colors, and lighting to decorate. Save up to 5 favorite layouts for each tank. - Learn about creatures and ornaments in your journal Look back on each day in the diary, and read about each one in the creature and ornament guides. - Shifting light and gentle sounds The light in the room changes from morning to night and with the seasons. Watch your fish from underwater, and keep photos or short videos. Choose between the original music and lofi, with different tracks for morning, day, and night. You can choose your tap sounds too. - Start for free, then visit the study or the round tank The fishbowl and the living room are free. “Study with a Bookshelf” and “Sunset City & Round Tank” are each a one-time in-app purchase. The study adds a big tank about 120 cm wide, along with Discus, Arowana, River Stingray, and Axolotl. The round tank adds a glass tank about 130 cm across by a window over a sunset city, a lighthouse harbor, and 4 new kinds: Penguin Tetra, White Cloud Minnow, Glass Catfish, and White Medaka. Available in Japanese, English, Korean, Arabic, Simplified and Traditional Chinese, Spanish, French, German, and Portuguese. No ads and no account sign-up. Everyday play works offline. Buying and restoring in-app purchases needs a connection. Your fish, diary, and other records are saved in the app. Deleting the app also deletes these records, but photos and videos you saved to the Photos app remain.
Screenshots
Verdict
The clearest difference is in-app purchases: Kitty Kitty at none against Pasterium C's 2. Kitty Kitty also leads on device support (3 vs 1). Pasterium C's advantage is update cadence (every 6 days vs every 3 weeks). On price, ads and iOS requirement 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. Pasterium C sells 2 one-off in-app purchases. Kitty Kitty asks for nothing beyond the download.
Kitty Kitty ships an update every 3 weeks, Pasterium C every 6 days. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.
| Parameter | Kitty Kitty | Pasterium C |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 124 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | JAMIL AKIM RIVERA | KENICHI TAKAOKA |
In-app purchases
Kitty Kitty
No in-app purchases
Pasterium C
- Sunset City & Round Tank$2.99
- Study with a Bookshelf$2.99









