# モンスターアクアリウム&レプタイルズ vs BORN to BONE 公式アプリ

The clearest difference is update cadence: BORN to BONE 公式アプリ at every 20 months against モンスターアクアリウム&レプタイルズ's every 44 months. BORN to BONE 公式アプリ also leads on iOS requirement (12.0 vs 16.6). 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.

モンスターアクアリウム&レプタイルズ ships an update every 44 months, BORN to BONE 公式アプリ every 20 months. The most recent releases landed on October 17, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | モンスターアクアリウム&レプタイルズ | BORN to BONE 公式アプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 44 months | **Every 20 months** |
| Size | 12 MB | 14 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [株式会社Favorite](https://appshunter.io/developer/1329433857) | [REN IWAMA](https://appshunter.io/developer/1615499977) |

## What reviewers say

### モンスターアクアリウム&レプタイルズ

[App page](https://appshunter.io/ios/app/and/id1605056212)

**Features:** macOS Compatibility

**In-app purchases:** none


### BORN to BONE 公式アプリ

[App page](https://appshunter.io/ios/app/born-to-bone/id1615499675)

**In-app purchases:** none


## Frequently asked questions

### Is モンスターアクアリウム&レプタイルズ free?

モンスターアクアリウム&レプタイルズ is free to download, with no in-app purchases.

### Is BORN to BONE 公式アプリ free?

BORN to BONE 公式アプリ is free to download, with no in-app purchases.

### Do モンスターアクアリウム&レプタイルズ or BORN to BONE 公式アプリ have ads?

Neither モンスターアクアリウム&レプタイルズ nor BORN to BONE 公式アプリ shows ads.

### Which is updated more often, モンスターアクアリウム&レプタイルズ or BORN to BONE 公式アプリ?

モンスターアクアリウム&レプタイルズ ships an update every 44 months, and BORN to BONE 公式アプリ every 20 months. Most recently, モンスターアクアリウム&レプタイルズ was updated on October 17, 2026 and BORN to BONE 公式アプリ on October 10, 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.*