# auth. vs KeyAuth LLC

The clearest difference is price: KeyAuth LLC at Free against auth.'s $3.99. KeyAuth LLC also leads on iOS requirement (13.4 vs 16.0). auth.'s advantage is rating (4.7 vs 4.2) and chart position (#178 vs unranked). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

KeyAuth LLC is free to download; auth. costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

auth. holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 6 and 5 respectively. Written reviews complicate that: 58% of auth.'s written reviews are positive against 60% of KeyAuth LLC's, so the app with the better star average is not the one people write more warmly about.

## The numbers

| Metric | auth. | KeyAuth LLC |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.7 (6 ratings)](https://appshunter.io/ios/app/auth-2fa-smart-sync/id1553284993/reviews)** | [4.2 (5 ratings)](https://appshunter.io/ios/app/keyauth-llc/id6503321465/reviews) |
| Number of ratings | **6** | 5 |
| Positive reviews | 58.3% of reviews | **60.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Paid | **Free** |
| Best chart rank | **#178** | — |
| Size | 28 MB | 13 MB |
| Requires iOS | 16.0 | **13.4** |
| Devices | **iPhone, iPad, Mac, Apple Watch, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [ChakMing Wong](https://appshunter.io/developer/1525986104) | [Nelson Cybersecurity LLC](https://appshunter.io/developer/1748211623) |

## What reviewers say

### auth.

[App page](https://appshunter.io/ios/app/auth-2fa-smart-sync/id1553284993)

**Currently charting:** #178 Top Paid · Developer Tools (US App Store)

This app securely stores and manages your two-factor authentication codes in one place. It simplifies the process by allowing QR code scanning or link-based setup, ensuring your accounts remain protected.

**Highlights:** Unlimited account storage, QR code scanning, Link-based account addition, Offline running, Customizable timeout and auto-lock, Password and safe code storage

**Features:** Apple Watch app

**In-app purchases:** none


### KeyAuth LLC

[App page](https://appshunter.io/ios/app/keyauth-llc/id6503321465)

An open-source authentication system offering cloud-hosted subscription plans. It provides client SDKs for multiple programming languages, facilitating integration into various applications. Connect with the community via Telegram or explore the code on GitHub.

**Highlights:** Open source authentication, Cloud-hosted subscriptions, Client SDKs for C++, C#, Python, Rust, PHP, VB.NET, Telegram community group, GitHub repository available

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

**In-app purchases:** none


## Frequently asked questions

### Is auth. free?

auth. costs $3.99, with no in-app purchases.

### Is KeyAuth LLC free?

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

### Which has better reviews, auth. or KeyAuth LLC?

auth. is rated higher. auth. averages 4.7 out of 5 from 6 ratings, while KeyAuth LLC averages 4.2 from 5 ratings.

### Do auth. or KeyAuth LLC have ads?

Neither auth. nor KeyAuth LLC shows ads.

---

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