# ガチ生物系研究室〜Drマリオカモトの研究日誌 vs Number Doragon

The clearest difference is in-app purchases: ガチ生物系研究室〜Drマリオカモトの研究日誌 at none against Number Doragon's 8. ガチ生物系研究室〜Drマリオカモトの研究日誌 also leads on iOS requirement (13.0 vs 18.6). Number Doragon's advantage is ads (none vs shown) and update cadence (every 2 days vs every 18 months). On price and device support there is nothing between them.

Both are free to download. Number Doragon sells 8 one-off in-app purchases. ガチ生物系研究室〜Drマリオカモトの研究日誌 asks for nothing beyond the download.

ガチ生物系研究室〜Drマリオカモトの研究日誌 ships an update every 18 months, Number Doragon every 2 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ガチ生物系研究室〜Drマリオカモトの研究日誌 | Number Doragon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (74 ratings)](https://appshunter.io/ios/app/dr/id982889903/reviews)** | — |
| Number of ratings | **74** | — |
| Positive reviews | 31.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 18 months | **Every 2 days** |
| Monetization | Ad-supported | — |
| Size | 73 MB | 856 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [REP COM Inc.](https://appshunter.io/developer/702707146) | [Satoshi Yamada](https://appshunter.io/developer/1570646947) |

## What reviewers say

### ガチ生物系研究室〜Drマリオカモトの研究日誌

[App page](https://appshunter.io/ios/app/dr/id982889903)

A classic falling block puzzle game where players eliminate viruses by matching colored capsules. Progress through increasingly challenging stages with faster capsule drops and more viruses.

**Highlights:** Classic falling block puzzle gameplay, Eliminate viruses by matching colors, Increasing difficulty with faster drops, Intuitive controls for movement and rotation, Relaxing gameplay experience

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

**In-app purchases:** none


### Number Doragon

[App page](https://appshunter.io/ios/app/number-doragon/id6760776794)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Coins | $0.49 | one-time |
| Starter Pack | $1.99 | one-time |
| Double Coins (Forever) | $2.99 | one-time |
| 550 Coins (+10% Bonus) | $2.99 | one-time |
| 1,200 Coins (+20% Bonus) | $5.99 | one-time |
| 3,000 Coins (+50% Bonus) | $11.99 | one-time |
| 8,500 Coins (+70% Bonus) | $29.99 | one-time |
| 22,000 Coins (+120% Bonus) | $59.99 | one-time |


## Frequently asked questions

### Is ガチ生物系研究室〜Drマリオカモトの研究日誌 free?

ガチ生物系研究室〜Drマリオカモトの研究日誌 is free to download, with no in-app purchases.

### Is Number Doragon free?

Number Doragon is free to download, with in-app purchases available.

### Do ガチ生物系研究室〜Drマリオカモトの研究日誌 or Number Doragon have ads?

ガチ生物系研究室〜Drマリオカモトの研究日誌 shows ads; Number Doragon does not.

### Which is updated more often, ガチ生物系研究室〜Drマリオカモトの研究日誌 or Number Doragon?

ガチ生物系研究室〜Drマリオカモトの研究日誌 ships an update every 18 months, and Number Doragon every 2 days. Most recently, ガチ生物系研究室〜Drマリオカモトの研究日誌 was updated on October 24, 2026 and Number Doragon on October 25, 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.*