# Aquanauts vs ARWIN BIOCHEM

Aquanauts and ARWIN BIOCHEM are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Aquanauts ships an update every 10 days, ARWIN BIOCHEM every 9 days. The most recent releases landed on October 25, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Aquanauts | ARWIN BIOCHEM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 9 days** |
| Size | 34 MB | 36 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Aquanauts Ltd](https://appshunter.io/developer/1717242627) | [ARWIN BIO-TECH (TAIWAN) CO.,LTD.](https://appshunter.io/developer/1219258434) |

## What reviewers say

### Aquanauts

[App page](https://appshunter.io/ios/app/aquanauts/id6472593792)

**Features:** macOS Compatibility

**In-app purchases:** none


### ARWIN BIOCHEM

[App page](https://appshunter.io/ios/app/arwin-biochem/id6778493391)

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

**In-app purchases:** none


## Frequently asked questions

### Is Aquanauts free?

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

### Is ARWIN BIOCHEM free?

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

### Do Aquanauts or ARWIN BIOCHEM have ads?

Neither Aquanauts nor ARWIN BIOCHEM shows ads.

### Which is updated more often, Aquanauts or ARWIN BIOCHEM?

Aquanauts ships an update every 10 days, and ARWIN BIOCHEM every 9 days. Most recently, Aquanauts was updated on October 25, 2026 and ARWIN BIOCHEM on October 8, 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.*