# GNR12 vs Authenticator App| 2FA Authy

The clearest difference is update cadence: Authenticator App| 2FA Authy at daily against GNR12's every 6 weeks. GNR12's advantage is iOS requirement (15.6 vs 18.6). 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.

GNR12 ships an update every 6 weeks, Authenticator App| 2FA Authy daily. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | GNR12 | Authenticator App| 2FA Authy |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Daily** |
| Monetization | Free | — |
| Size | 58 MB | 19 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Gautica Tecnologia e Inovacao Ltda](https://appshunter.io/developer/721334649) | [Ahmad Waheed](https://appshunter.io/developer/6783655218) |

## What reviewers say

### GNR12

[App page](https://appshunter.io/ios/app/gnr12/id1566643750)

This industrial safety app streamlines data collection from the factory floor. It helps identify and classify hazards using international and Brazilian standards, facilitating risk assessment and safety measure implementation.

**Highlights:** Efficient factory floor data collection, Hazard identification and classification, ISO 12100 risk assessment, HRN, SIL, and PLr integration, NBR 14153 compliance, Detailed safety reports

**Features:** macOS Compatibility

**In-app purchases:** none


### Authenticator App| 2FA Authy

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-authy/id6788771070)

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

**In-app purchases:** none


## Frequently asked questions

### Is GNR12 free?

GNR12 is free to download, with no in-app purchases.

### Is Authenticator App| 2FA Authy free?

Authenticator App| 2FA Authy is free to download, with no in-app purchases.

### Do GNR12 or Authenticator App| 2FA Authy have ads?

Neither GNR12 nor Authenticator App| 2FA Authy shows ads.

### Which is updated more often, GNR12 or Authenticator App| 2FA Authy?

GNR12 ships an update every 6 weeks, and Authenticator App| 2FA Authy daily. Most recently, GNR12 was updated on October 13, 2026 and Authenticator App| 2FA Authy on October 2, 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.*