# Authenticator App． vs UnitSmart

The clearest difference is in-app purchases: UnitSmart at none against Authenticator App．'s 4. Authenticator App．'s advantage is device support and iOS requirement (15.0 vs 17.0). On price there is nothing between them.

Both are free to download. Authenticator App． sells 4 in-app purchases, starting at $9.99 per 7 days. UnitSmart asks for nothing beyond the download.

## The numbers

| Metric | Authenticator App． | UnitSmart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (55 ratings)](https://appshunter.io/ios/app/authenticator-app/id6754835526/reviews)** | — |
| Number of ratings | **55** | — |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 28 MB | 9 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 17+ | 4+ |
| Developer | [Quantum Security Service](https://appshunter.io/developer/1850400514) | [Zumara Ibrahim](https://appshunter.io/developer/1887765328) |

## What reviewers say

### Authenticator App．

[App page](https://appshunter.io/ios/app/authenticator-app/id6754835526)

This app generates verification codes to secure your accounts and simplify logins. It also offers AI-powered to-do list management with voice and text input, and customizable widgets for quick task access.

**Highlights:** Generate time-based one-time passwords (TOTP), AI-powered to-do list management, Voice and text input for tasks, Customizable home screen widgets, Secure account and password management, QR code scanning for setup

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly 3 Day Free Plan | $9.99 | per 7 days |
| Weekly Plan | $9.99 | per 7 days |
| Yearly 3 Day Free Plan | $39.99 | per year |
| Yearly Plan | $49.99 | per year |


### UnitSmart

[App page](https://appshunter.io/ios/app/unitsmart/id6761093771)

**In-app purchases:** none


## Frequently asked questions

### Is Authenticator App． free?

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

### Is UnitSmart free?

UnitSmart is free to download, with no in-app purchases.

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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.*