# Ryugotchi vs Krill Keeper

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.

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.

## The numbers

| Metric | Ryugotchi | Krill Keeper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/ryugotchi/id6757317614/reviews) | [5.0 (7 ratings)](https://appshunter.io/ios/app/krill-keeper/id6759456112/reviews) |
| Number of ratings | 1 | **7** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 137 MB | 102 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [anthony deniau](https://appshunter.io/developer/1474446124) | [Nante Studio](https://appshunter.io/developer/1700809099) |

## What reviewers say

### Ryugotchi

[App page](https://appshunter.io/ios/app/ryugotchi/id6757317614)

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.

**Highlights:** 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

**In-app purchases:** none


### Krill Keeper

[App page](https://appshunter.io/ios/app/krill-keeper/id6759456112)

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.

**Highlights:** Realistic krill swarm simulation, Feed and clean krill, Hatch new krill companions, Collect 20 krill variants, Discover rare variants, Deep-sea dark palette visuals

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Ryugotchi free?

Ryugotchi is free to download, with no in-app purchases.

### Is Krill Keeper free?

Krill Keeper is free to download, with no in-app purchases.

### Which has better reviews, Ryugotchi or Krill Keeper?

Ryugotchi and Krill Keeper are both rated 5.0 out of 5 on the App Store, from 1 and 7 ratings respectively.

### Do Ryugotchi or Krill Keeper have ads?

Krill Keeper shows ads; Ryugotchi does not.

### Which is updated more often, Ryugotchi or Krill Keeper?

Ryugotchi ships an update monthly, and Krill Keeper every 2 weeks. Most recently, Ryugotchi was updated on October 14, 2026 and Krill Keeper on October 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*