Ryugotchi vs Krill Keeper
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Ryugotchi
Adopt and nurture a virtual dragon from egg to adult. Engage in mini-games, explore biomes for treasures, and collect items. Features an iOS widget and smart notifications for offline play.
- Dragon evolution through 3 stages
- Play mini-games to earn XP
- Explore biomes and discover treasures
- Collect items and elemental essences
- iOS home screen widget
- Smart notifications
- 100% offline gameplay
Read full descriptionHide full description
Raise your dragon. Grow your bond. Adopt a baby dragon and share everyday moments: feed, pet, wash and play together. Watch your companion grow into a teen and then an adult. 14 MINI-GAMES, ALL OFFLINE Memory, blocks, rhythm, dodging and word puzzles offer different ways to play and earn experience and materials. Unlock more mini-games as your dragon grows. NO ADS. JUST YOU TWO. Enjoy your time together without banners or video ads. A HOME THAT GROWS WITH YOU Follow the day/night cycle and share bath time: move the sponge over your dragon to scrub away the dirt. Adult dragons have a spacious mountain habitat of their own. EGGS AND ENCOUNTERS Discover refuges, visit dragons and hatch your eggs when you are ready. Keep your companion close with the Home Screen widget and optional care reminders. Gameplay and mini-games work offline. Game Center leaderboards require an internet connection.
Krill Keeper
A relaxing simulation game where you nurture a deep-sea krill colony. Feed and clean your krill, hatch eggs to expand your colony, and discover 20 unique variants. Enjoy peaceful gameplay with realistic flocking physics and beautiful dark visuals.
- Realistic krill swarm simulation
- Feed and clean krill
- Hatch new krill companions
- Collect 20 krill variants
- Discover rare variants
- Deep-sea dark palette visuals
Read full descriptionHide full description
Krill Keeper is a relaxing simulation game where you care for krill in a deep-sea tank. Feed your krill, keep the tank clean, and hatch eggs to welcome new companions. Watch them swim together in realistic flocking patterns powered by boid physics, and collect 6 unique krill variants. Key Features: - Realistic krill swarm simulation with boid flocking physics - Feed and clean to keep your krill happy and healthy - Hatch eggs to recruit new krill companions - Collect 6 krill variants across 4 rarity tiers - Discover rare variants through milestones and random drops - Beautiful deep-sea dark palette visuals Take a break and find peace with the tiny creatures of the deep sea.
Screenshots
Verdict
The clearest difference is ads: Ryugotchi at none against Krill Keeper's shown. Ryugotchi also leads on monetization model (free vs ad-supported). Krill Keeper's advantage is update cadence (every 2 weeks vs monthly) and ratings volume (7 vs 1). On price, rating, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Ryugotchi against 5.0 for Krill Keeper. That said, the two scores are not equally well evidenced: Krill Keeper has 7 ratings behind it against 1, so its average is the more settled of the two.
Ryugotchi ships an update monthly, Krill Keeper every 2 weeks. The most recent releases landed on October 14, 2026 and October 28, 2026 respectively.
| Parameter | Ryugotchi | Krill Keeper |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (7 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 7 — better |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 137 MB | 102 MB |
| Age rating | 4+ | 4+ |
| Developer | anthony deniau | Nante Studio |
Customer experience
Ryugotchi
Krill Keeper
In-app purchases
Ryugotchi
No in-app purchases
Krill Keeper
No in-app purchases
