# 2FA Authenticator (2FAS) vs Robocall Defender by Voiply

The clearest difference is rating: 2FA Authenticator (2FAS) at 4.7 against Robocall Defender by Voiply's 4.0. 2FA Authenticator (2FAS) also leads on ratings volume (36K vs 2) and update cadence (monthly vs every 4 months). Robocall Defender by Voiply's advantage is iOS requirement (12.4 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.

2FA Authenticator (2FAS) holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: 2FA Authenticator (2FAS) has 36K ratings behind it against 2, so its average is the more settled of the two.

2FA Authenticator (2FAS) ships an update monthly, Robocall Defender by Voiply every 4 months. The most recent releases landed on October 30, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 2FA Authenticator (2FAS) | Robocall Defender by Voiply |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (36K ratings)](https://appshunter.io/ios/app/2fa-authenticator-2fas/id1217793794/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/robocall-defender-by-voiply/id6443847305/reviews) |
| Number of ratings | **36K** | 2 |
| Positive reviews | 77.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free | Free |
| Size | 81 MB | 7 MB |
| Requires iOS | 18.6 | **12.4** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Two Factor Authentication Service Inc.](https://appshunter.io/developer/1217793793) | [Voiply LLC](https://appshunter.io/developer/1478107546) |

## 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


### Robocall Defender by Voiply

[App page](https://appshunter.io/ios/app/robocall-defender-by-voiply/id6443847305)

This application automatically blocks unwanted spam and robocalls, giving you greater control over incoming calls. It helps filter out disruptive phone numbers by adding them to a personal blocklist.

**Highlights:** Blocks unwanted calls, Filters spam and robocalls, Manages incoming calls, Adds numbers to blocklist, Provides call control

**Features:** macOS Compatibility

**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 Robocall Defender by Voiply free?

Robocall Defender by Voiply is free to download, with no in-app purchases.

### Which has better reviews, 2FA Authenticator (2FAS) or Robocall Defender by Voiply?

2FA Authenticator (2FAS) is rated higher. 2FA Authenticator (2FAS) averages 4.7 out of 5 from 36K ratings, while Robocall Defender by Voiply averages 4.0 from 2 ratings.

### Do 2FA Authenticator (2FAS) or Robocall Defender by Voiply have ads?

Neither 2FA Authenticator (2FAS) nor Robocall Defender by Voiply shows ads.

### Which is updated more often, 2FA Authenticator (2FAS) or Robocall Defender by Voiply?

2FA Authenticator (2FAS) ships an update monthly, and Robocall Defender by Voiply every 4 months. Most recently, 2FA Authenticator (2FAS) was updated on October 30, 2026 and Robocall Defender by Voiply on October 13, 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.*