# 2FA Authenticator (2FAS) vs QuesToDo

The clearest difference is in-app purchases: 2FA Authenticator (2FAS) at none against QuesToDo's 3. 2FA Authenticator (2FAS) also leads on ads (none vs shown). QuesToDo's advantage is update cadence (daily vs monthly) and iOS requirement (15.1 vs 18.6). On price and device support there is nothing between them.

Both are free to download. QuesToDo sells 3 in-app purchases, starting at $1.99 per month. 2FA Authenticator (2FAS) asks for nothing beyond the download.

2FA Authenticator (2FAS) ships an update monthly, QuesToDo daily. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 2FA Authenticator (2FAS) | QuesToDo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (36K ratings)](https://appshunter.io/ios/app/2fa-authenticator-2fas/id1217793794/reviews)** | — |
| Number of ratings | **36K** | — |
| Positive reviews | 77.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Daily** |
| Monetization | Free | — |
| Size | 81 MB | 44 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Two Factor Authentication Service Inc.](https://appshunter.io/developer/1217793793) | [HAJIME SAKAMOTO](https://appshunter.io/developer/6794613230) |

## What reviewers say

### 2FA Authenticator (2FAS)

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

This app provides an easy and secure way to enable two-factor authentication for your online accounts. It offers features like token restoration, biometric protection, and offline functionality to keep your personal data and passwords safe from cyber threats.

**Highlights:** Two-factor authentication, Token backup and restore, Biometric app protection, Open-source and transparent, Cross-device sync, Offline functionality

**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


### QuesToDo

[App page](https://appshunter.io/ios/app/questodo/id6794613228)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Yearly | $9.99 | per year |
| Premium Lifetime | $19.99 | one-time |


## Frequently asked questions

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

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

### Is QuesToDo free?

QuesToDo is free to download, with in-app purchases available.

### Do 2FA Authenticator (2FAS) or QuesToDo have ads?

QuesToDo shows ads; 2FA Authenticator (2FAS) does not.

### Which is updated more often, 2FA Authenticator (2FAS) or QuesToDo?

2FA Authenticator (2FAS) ships an update monthly, and QuesToDo daily. Most recently, 2FA Authenticator (2FAS) was updated on November 4, 2026 and QuesToDo on October 31, 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.*