# Mysterious Creatures vs NoteRunner

The clearest difference is update cadence: NoteRunner at fortnightly against Mysterious Creatures's every 4 months. Mysterious Creatures's advantage is iOS requirement (15.0 vs 18.0). On price, ads, 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.

Mysterious Creatures ships an update every 4 months, NoteRunner fortnightly. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Mysterious Creatures | NoteRunner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (5 ratings)](https://appshunter.io/ios/app/mysterious-creatures/id457832536/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Ad-supported | — |
| Size | 13 MB | 6 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Masakazu Yonehara](https://appshunter.io/developer/1339210794) | [MIZOU, CO., LTD.](https://appshunter.io/developer/1542553141) |

## What reviewers say

### Mysterious Creatures

[App page](https://appshunter.io/ios/app/mysterious-creatures/id457832536)

Engage in a unique seek-and-find experience by sifting through virtual shirasu to discover hidden sea creatures. Collect a variety of miniature marine life, from baby shrimp to tiny squid, and build your personal collection of these elusive finds.

**Highlights:** Sift through virtual shirasu, Discover hidden sea creatures, Collect miniature marine life, Build a personal collection, Hint system for assistance, Save game progress

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

**In-app purchases:** none


### NoteRunner

[App page](https://appshunter.io/ios/app/noterunner-note-game/id6760548010)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mysterious Creatures free?

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

### Is NoteRunner free?

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

### Do Mysterious Creatures or NoteRunner have ads?

Both Mysterious Creatures and NoteRunner show ads.

### Which is updated more often, Mysterious Creatures or NoteRunner?

Mysterious Creatures ships an update every 4 months, and NoteRunner fortnightly. Most recently, Mysterious Creatures was updated on October 26, 2026 and NoteRunner on October 24, 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.*