# Open Authenticator by Skyost vs TOTP Authenticator

The clearest difference is rating: Open Authenticator by Skyost at 4.4 against TOTP Authenticator's 4.0. Open Authenticator by Skyost also leads on ratings volume (9 vs 2) and device support (4 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Open Authenticator by Skyost sells 2 in-app purchases, starting at $0.99 per month and TOTP Authenticator sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Open Authenticator by Skyost holds the better App Store score, 4.4 against 4.0. Both are backed by a comparable volume of ratings — 9 and 2 respectively.

## The numbers

| Metric | Open Authenticator by Skyost | TOTP Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (9 ratings)](https://appshunter.io/ios/app/open-authenticator-by-skyost/id6479272927/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/totp-authenticator-2fa/id6499522748/reviews) |
| Number of ratings | **9** | 2 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 56 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Hugo Delaunay](https://appshunter.io/developer/1456648264) | [悦 刘](https://appshunter.io/developer/1738026343) |

## What reviewers say

### Open Authenticator by Skyost

[App page](https://appshunter.io/ios/app/open-authenticator-by-skyost/id6479272927)

This app generates Time-Based One-Time Passwords (TOTPs) to enhance online account security through two-factor authentication. It offers cross-platform syncing, a self-hostable backend, and an intuitive interface for managing your security codes.

**Highlights:** Generates Time-Based One-Time Passwords (TOTPs), Enhances online account security with 2FA, Cross-platform token syncing, Self-hostable backend option, Fast and easy-to-use interface, Open-source and free for local use

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Contributor Plan: Monthly | $0.99 | per month |
| Contributor Plan: Annual | $9.99 | per year |


### TOTP Authenticator

[App page](https://appshunter.io/ios/app/totp-authenticator-2fa/id6499522748)

This app generates single-use six-digit login codes using the Time-Based One-Time Password (TOTP) algorithm. It supports manual input or QR code scanning for easy setup and offers both light and dark themes. All data is stored locally for enhanced privacy.

**Highlights:** TOTP algorithm for secure codes, Manual input and QR code scanning, Light and dark theme support, Versatile key support for multiple services, Efficient search functionality, Local data storage for privacy

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month vip | $4.99 | per month |
| 3 month vip | $11.99 | per 3 months |
| 1 year vip | $23.99 | per year |


## Frequently asked questions

### Is Open Authenticator by Skyost free?

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

### Is TOTP Authenticator free?

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

### Which has better reviews, Open Authenticator by Skyost or TOTP Authenticator?

Open Authenticator by Skyost is rated higher. Open Authenticator by Skyost averages 4.4 out of 5 from 9 ratings, while TOTP Authenticator averages 4.0 from 2 ratings.

### Do Open Authenticator by Skyost or TOTP Authenticator have ads?

Neither Open Authenticator by Skyost nor TOTP Authenticator shows ads.

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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.*