# Minimum Kingdom（ミニキン） vs Mystery Seed Lab

The clearest difference is in-app purchases: Minimum Kingdom（ミニキン） at none against Mystery Seed Lab's 7. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Mystery Seed Lab sells 7 one-off in-app purchases. Minimum Kingdom（ミニキン） asks for nothing beyond the download.

Minimum Kingdom（ミニキン） ships an update every 3 days, Mystery Seed Lab every 6 days. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Minimum Kingdom（ミニキン） | Mystery Seed Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mystery-seed-lab/id6816447931/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 81.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 6 days |
| Monetization | — | Free with in-app purchases |
| Size | 95 MB | 356 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kazunori Nakaoku](https://appshunter.io/developer/1584068212) | [MCS Corp.](https://appshunter.io/developer/6799434414) |

## What reviewers say

### Minimum Kingdom（ミニキン）

[App page](https://appshunter.io/ios/app/minimum-kingdom/id6797782702)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mystery Seed Lab

[App page](https://appshunter.io/ios/app/mystery-seed-lab/id6816447931)

Nurture a unique seed with eyes by providing various stimuli like water, light, and warmth. Discover over 500 different flowers and creatures, crossbreed them, and track your progress in a detailed journal. Connect with friends for assistance and enjoy daily rewards.

**Highlights:** Grow seeds with unique needs, Discover over 500 flower and creature types, Crossbreed flowers to create hybrids, Track progress in a detailed journal, Daily login bonuses and research themes, Home screen widget for quick checks, Connect with friends for boosters

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gold Tube×1 | $0.99 | one-time |
| Growth Booster×3 | $0.99 | one-time |
| Gold Tube×3 | $1.99 | one-time |
| Growth Booster×10 | $1.99 | one-time |
| Extra Dish (2nd) | $1.99 | one-time |
| Extra Dish (3rd) | $2.99 | one-time |
| Gold Tube×10 | $6.99 | one-time |


## Frequently asked questions

### Is Minimum Kingdom（ミニキン） free?

Minimum Kingdom（ミニキン） is free to download, with no in-app purchases.

### Is Mystery Seed Lab free?

Mystery Seed Lab is free to download, with in-app purchases available.

### Do Minimum Kingdom（ミニキン） or Mystery Seed Lab have ads?

Both Minimum Kingdom（ミニキン） and Mystery Seed Lab show ads.

### Which is updated more often, Minimum Kingdom（ミニキン） or Mystery Seed Lab?

Minimum Kingdom（ミニキン） ships an update every 3 days, and Mystery Seed Lab every 6 days. Most recently, Minimum Kingdom（ミニキン） was updated on October 25, 2026 and Mystery Seed Lab on October 29, 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.*