# 13DE MARZO vs SMFK

The clearest difference is device support: 13DE MARZO at 2 against SMFK's —. SMFK's advantage is iOS requirement (13.0 vs 17.0). On price and in-app purchases there is nothing between them.

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

## The numbers

| Metric | 13DE MARZO | SMFK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/13de-marzo/id6444930720/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 5 MB | 18 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 17+ |
| Developer | [REAL RECOGNIZE REAL](https://appshunter.io/developer/1443792713) | [Shanghai Techsun Anti-counterfeiting Technology Holding Co., Ltd.](https://appshunter.io/developer/451910700) |

## What reviewers say

### 13DE MARZO

[App page](https://appshunter.io/ios/app/13de-marzo/id6444930720)

Verify product authenticity and ownership using blockchain encryption and NFC technology. Scan built-in chips to confirm your item's origin and prevent counterfeiting.

**Highlights:** Blockchain data encryption, NFC chip integration, Product authenticity verification, Ownership rights confirmation, Anti-counterfeiting measures

**Features:** macOS Compatibility

**In-app purchases:** none


### SMFK

[App page](https://appshunter.io/ios/app/smfk/id6449069886)

**In-app purchases:** none


## Frequently asked questions

### Is 13DE MARZO free?

13DE MARZO is free to download, with no in-app purchases.

### Is SMFK free?

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

---

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