# 2FA Authenticator (2FAS) vs Days Left Year Progress

The clearest difference is update cadence: Days Left Year Progress at every 10 days against 2FA Authenticator (2FAS)'s monthly. Days Left Year Progress also leads on iOS requirement (14.0 vs 18.6). On ads, in-app purchases and device support there is nothing between them.

2FA Authenticator (2FAS) ships an update monthly, Days Left Year Progress every 10 days. The most recent releases landed on October 17, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | 2FA Authenticator (2FAS) | Days Left Year Progress |
| --- | --- | --- |
| Price | **Free** | — |
| Rating | **[4.7 (35K ratings)](https://appshunter.io/ios/app/2fa-authenticator-2fas/id1217793794/reviews)** | — |
| Number of ratings | **35K** | — |
| Positive reviews | 77.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | Free | — |
| Size | 80 MB | 21 MB |
| Requires iOS | 18.6 | **14.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Two Factor Authentication Service Inc.](https://appshunter.io/developer/1217793793) | [Eaven-Rene Schmalz](https://appshunter.io/developer/1853663295) |

## 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


### Days Left Year Progress

[App page](https://appshunter.io/ios/app/days-left-year-progress/id6759104339)

**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 Days Left Year Progress free?

Pricing for Days Left Year Progress is not currently listed on the App Store.

### Do 2FA Authenticator (2FAS) or Days Left Year Progress have ads?

Neither 2FA Authenticator (2FAS) nor Days Left Year Progress shows ads.

### Which is updated more often, 2FA Authenticator (2FAS) or Days Left Year Progress?

2FA Authenticator (2FAS) ships an update monthly, and Days Left Year Progress every 10 days. Most recently, 2FA Authenticator (2FAS) was updated on October 17, 2026 and Days Left Year Progress on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*