# Marina4 vs QR Code Scanner

The clearest difference is in-app purchases: Marina4 at none against QR Code Scanner's 3. Marina4 also leads on ads (none vs shown). QR Code Scanner's advantage is update cadence (weekly vs fortnightly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. QR Code Scanner sells 3 in-app purchases, starting at $6.99 per 7 days. Marina4 asks for nothing beyond the download.

Marina4 ships an update fortnightly, QR Code Scanner weekly. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Marina4 | QR Code Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free | — |
| Size | 33 MB | 42 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MARINA 4 SRL](https://appshunter.io/developer/1137973719) | [Poonam Kakadiya](https://appshunter.io/developer/6813838979) |

## What reviewers say

### Marina4

[App page](https://appshunter.io/ios/app/marina4/id1195357223)

Access historical, current, and future tide information. Features a sophisticated forecasting system that also displays a countdown for port closures.

**Highlights:** Past tide consultation, Current day tide information, Tomorrow tide forecast, Sophisticated forecasting system, Port closure countdown

**Features:** macOS Compatibility

**In-app purchases:** none


### QR Code Scanner

[App page](https://appshunter.io/ios/app/qr-code-scanner-reader-app/id6813838977)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $6.99 | per 7 days |
| Monthly Subscription | $15.99 | per month |
| Yearly Subscription | $39.99 | per year |


## Frequently asked questions

### Is Marina4 free?

Marina4 is free to download, with no in-app purchases.

### Is QR Code Scanner free?

QR Code Scanner is free to download, with in-app purchases available.

### Do Marina4 or QR Code Scanner have ads?

QR Code Scanner shows ads; Marina4 does not.

### Which is updated more often, Marina4 or QR Code Scanner?

Marina4 ships an update fortnightly, and QR Code Scanner weekly. Most recently, Marina4 was updated on October 8, 2026 and QR Code Scanner on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*