# ProtechAC vs Authenticator App · 2FA

The clearest difference is in-app purchases: ProtechAC at none against Authenticator App · 2FA's 15. ProtechAC also leads on ads (none vs shown). Authenticator App · 2FA's advantage is update cadence (every 3 weeks vs every 4 months) and device support (5 vs 3). On price and iOS requirement there is nothing between them.

Both are free to download. Authenticator App · 2FA sells 14 in-app purchases, starting at $9.99 per 7 days. ProtechAC asks for nothing beyond the download.

ProtechAC ships an update every 4 months, Authenticator App · 2FA every 3 weeks. The most recent releases landed on September 15, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | ProtechAC | Authenticator App · 2FA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (381 ratings)](https://appshunter.io/ios/app/authenticator-app-2fa/id6470149516/reviews)** |
| Number of ratings | — | **381** |
| Positive reviews | — | 44.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | — | Subscription |
| Size | 56 MB | 114 MB |
| Requires iOS | **14.2** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 17+ |
| Developer | [FARENTAL PTY LTD](https://appshunter.io/developer/856686183) | [FirstOrder.AI](https://appshunter.io/developer/1713063266) |

## What reviewers say

### ProtechAC

[App page](https://appshunter.io/ios/app/protechac/id1574449526)

**Features:** macOS Compatibility

**In-app purchases:** none


### Authenticator App · 2FA

[App page](https://appshunter.io/ios/app/authenticator-app-2fa/id6470149516)

This app provides an extra layer of security for your online accounts by generating time-based one-time passwords (TOTP/OTP) for two-factor authentication. It supports numerous services and offers features like encrypted sync, passkey support, and app-level security.

**Highlights:** Generate 2-factor authentication codes, Support for passkeys and passwordless logins, Encrypted sync and backup via iCloud/Google Cloud, App-level security with Face ID/Touch ID, Widgets for home screen access, Organize codes with folders, Import from Google Authenticator

**Features:** Family Sharing, Apple Watch app

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator PRO Weekly | $9.99 | per 7 days |
| Authenticator Monthly Premium | $11.99 | per month |
| Authenticator Monthly Premium | $11.99 | per month |
| Authenticator Monthly Premium | $12.99 | per month |
| Authenticator PRO Monthly | $12.99 | per month |
| Authenticator Annual Premium | $29.99 | per year |
| Authenticator PRO Yearly | $29.99 | per year |
| Authenticator PRO Yearly | $39.99 | per year |
| OTP Authenticator PRO Yearly | $39.99 | per year |
| OTP Authenticator PRO Yearly | $49.99 | per year |
| Authenticator PRO Lifetime | $39.99 | one-time |
| Authenticator PRO Lifetime | $59.99 | one-time |
| 2FA Authenticator - Pro | $59.99 | one-time |
| Authenticator PRO Lifetime | $79.99 | one-time |

**What reviewers like**

- 🔒 Strong security and encryption for 2FA codes
- 👍 Easy to use and intuitive interface
- 🚀 Fast and reliable performance
- 💻 Cross-platform synchronization (Windows, Mac, iOS, Android)
- ⌚ Widget support and smartwatch integration

**What reviewers complain about**

- 💰 Misleading free-to-paid conversion model
- 🚫 Difficult cancellation process
- ⚠️ Accidental subscription charges
- 🔐 Authentication and login issues
- 📱 Mobile version requires paid subscription

**Reported bugs**

- QR code scanner not functioning properly
- Unable to import keys on mobile without payment
- Sync issues between Mac and iOS devices
- Photo-based QR code reading fails
- App incompatible with CachyOS

**Requested features**

- CachyOS/Arch Linux version support
- Clearer pricing and subscription information upfront
- Manual code entry without QR scanner requirement
- Better cross-platform synchronization documentation
- Improved setup instructions for new devices


## Frequently asked questions

### Is ProtechAC free?

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

### Is Authenticator App · 2FA free?

Authenticator App · 2FA is free to download, with in-app purchases available.

### Do ProtechAC or Authenticator App · 2FA have ads?

Authenticator App · 2FA shows ads; ProtechAC does not.

### Which is updated more often, ProtechAC or Authenticator App · 2FA?

ProtechAC ships an update every 4 months, and Authenticator App · 2FA every 3 weeks. Most recently, ProtechAC was updated on September 15, 2026 and Authenticator App · 2FA 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.*