# 2FA Authenticator (2FAS) vs SHIELD by SELCO

The clearest difference is ratings volume: 2FA Authenticator (2FAS) at 35K against SHIELD by SELCO's 1. 2FA Authenticator (2FAS) also leads on update cadence (monthly vs every 3 months). SHIELD by SELCO's advantage is rating (5.0 vs 4.7) and iOS requirement (16.0 vs 18.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

SHIELD by SELCO holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: 2FA Authenticator (2FAS) has 35K ratings behind it against 1, so its average is the more settled of the two.

2FA Authenticator (2FAS) ships an update monthly, SHIELD by SELCO every 3 months. The most recent releases landed on September 24, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | 2FA Authenticator (2FAS) | SHIELD by SELCO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (35K ratings)](https://appshunter.io/ios/app/2fa-authenticator-2fas/id1217793794/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/shield-by-selco/id1580337531/reviews)** |
| Number of ratings | **35K** | 1 |
| Positive reviews | 77.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | Free |
| Size | 80 MB | 138 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Two Factor Authentication Service Inc.](https://appshunter.io/developer/1217793793) | [Town of Shrewsbury](https://appshunter.io/developer/1580337533) |

## What reviewers say

### 2FA Authenticator (2FAS)

[App page](https://appshunter.io/ios/app/2fa-authenticator-2fas/id1217793794)

Securely log in to your online accounts with two-factor authentication. This app protects your personal data and passwords from cyber threats with a simple, private, and open-source solution. It offers easy token restoration, app protection, and offline functionality.

**Highlights:** Two-factor authentication, Token backup and restore, App protection with passcode/biometrics, Open-source and transparent, Offline functionality, Cross-device sync, One-tap authentication with browser extensions

**Features:** Apple Watch app

**In-app purchases:** none

**What reviewers like**

- 🚀 Efficient and fast
- 🔒 Secure and private
- 👍 Simple and intuitive UI
- 💡 Customizable icons and folders
- 🔒 iCloud backup and sync

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- 🔒 Lack of password/PIN protection
- 🕰 No Apple Watch app
- 🐛 Issues with push notifications
- 🕰 Missing desktop/web app

**Reported bugs**

- Tokens disappearing after device changes
- Push notification failures
- Incompatibility with older devices

**Requested features**

- Alphanumeric passcode option
- Custom icon uploads
- Apple Watch app
- Desktop/web app
- Improved support and communication


### SHIELD by SELCO

[App page](https://appshunter.io/ios/app/shield-by-selco/id1580337531)

Take control of your home Wi-Fi network with this user-friendly application. Manage devices, implement parental controls, enhance network security, and set up guest networks with ease.

**Highlights:** Parental controls, Network security, Device management, Guest network creation, Easy-to-use interface

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 2FA Authenticator (2FAS) free?

2FA Authenticator (2FAS) is free to download, with no in-app purchases.

### Is SHIELD by SELCO free?

SHIELD by SELCO is free to download, with no in-app purchases.

### Which has better reviews, 2FA Authenticator (2FAS) or SHIELD by SELCO?

SHIELD by SELCO is rated higher. 2FA Authenticator (2FAS) averages 4.7 out of 5 from 35K ratings, while SHIELD by SELCO averages 5.0 from 1 ratings.

### Do 2FA Authenticator (2FAS) or SHIELD by SELCO have ads?

Neither 2FA Authenticator (2FAS) nor SHIELD by SELCO shows ads.

### Which is updated more often, 2FA Authenticator (2FAS) or SHIELD by SELCO?

2FA Authenticator (2FAS) ships an update monthly, and SHIELD by SELCO every 3 months. Most recently, 2FA Authenticator (2FAS) was updated on September 24, 2026 and SHIELD by SELCO on September 15, 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.*