# Authenticator app vs 23HourDay

The clearest difference is update cadence: 23HourDay at fortnightly against Authenticator app's monthly. 23HourDay also leads on iOS requirement (14.0 vs 16.0). Authenticator app's advantage is device support (4 vs 2). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Authenticator app sells 11 in-app purchases, starting at $4.99 per month and 23HourDay sells 2 in-app purchases, starting at $12.95 per month. Whichever you choose, the download price is not the number that matters.

Authenticator app ships an update monthly, 23HourDay fortnightly. The most recent releases landed on October 15, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Authenticator app | 23HourDay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5.8K ratings)](https://appshunter.io/ios/app/authenticator-app-2fa-mfa/id1625466768/reviews)** | — |
| Number of ratings | **5.8K** | — |
| Positive reviews | 67.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 279 MB | 71 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maxima Apps](https://appshunter.io/developer/1153277200) | [Thomas Smith](https://appshunter.io/developer/1744157870) |

## What reviewers say

### Authenticator app

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-mfa/id1625466768)

This app provides secure two-factor authentication for over 1000 popular online accounts. It offers quick access via widgets and Apple Watch, and ensures your data is safe with no internet exchange. Easily set up accounts by scanning QR codes or entering secret keys.

**Highlights:** Two-factor authentication (2FA), Multi-factor authentication (MFA), Supports 1000+ apps, Apple Watch support, Quick widget support, QR code scanning, Encrypted backup

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator Premium Monthly | $4.99 | per month |
| Authenticator App Premium Weekly | $5.99 | per 7 days |
| Authenticator Premium Monthly | $9.99 | per month |
| Authenticator App Weekly Premium | $9.99 | per 7 days |
| Authenticator Premium Yearly | $29.99 | per year |
| Authenticator Premium Yearly | $49.99 | per year |
| Authenticator App Premium Yearly | $59.99 | per year |
| Premium Access 3 Month Trial | $69.99 | per year |
| Authenticator Premium Lifetime | $49.99 | one-time |
| Authenticator Premium Lifetime | $69.99 | one-time |
| Authenticator App Lifetime | $99.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 🔒 Secure authentication
- 👍 Reliable and works well
- 🚀 Quick and efficient
- 👍 Helpful for account recovery

**What reviewers complain about**

- 🐛 Bugs and glitches
- 💰 Expensive or hidden fees
- 🤯 Confusing setup and usage
- 🔒 Issues with account access and recovery
- 🔋 Drains device battery

**Reported bugs**

- Codes not working or generating errors
- App crashing or freezing during use
- Accounts being deleted or inaccessible
- Compatibility issues with certain devices or platforms

**Requested features**

- Improved user interface and instructions
- Better compatibility with other apps and services
- Option to export/backup authentication codes
- Ability to easily manage and remove accounts


### 23HourDay

[App page](https://appshunter.io/ios/app/23hourday/id6501989004)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan - Monthly | $12.95 | per month |
| Premium Plan - Yearly | $149.00 | per year |


## Frequently asked questions

### Is Authenticator app free?

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

### Is 23HourDay free?

23HourDay is free to download, with in-app purchases available.

### Do Authenticator app or 23HourDay have ads?

Neither Authenticator app nor 23HourDay shows ads.

### Which is updated more often, Authenticator app or 23HourDay?

Authenticator app ships an update monthly, and 23HourDay fortnightly. Most recently, Authenticator app was updated on October 15, 2026 and 23HourDay on October 6, 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.*