# Open Authenticator by Skyost vs G

The clearest difference is price: Open Authenticator by Skyost at Free against G's $1.99. G's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 15.0). On ads and device support there is nothing between them.

Open Authenticator by Skyost is free to download; G costs $1.99 up front. Open Authenticator by Skyost sells 2 in-app purchases, starting at $0.99 per month. G asks for nothing beyond the download.

## The numbers

| Metric | Open Authenticator by Skyost | G |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.4 (9 ratings)](https://appshunter.io/ios/app/open-authenticator-by-skyost/id6479272927/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 16 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hugo Delaunay](https://appshunter.io/developer/1456648264) | [Integy Tech](https://appshunter.io/developer/1820632285) |

## 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 |


### G

[App page](https://appshunter.io/ios/app/g-force-meter-pro/id6761344410)

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

**In-app purchases:** none


## Frequently asked questions

### Is Open Authenticator by Skyost free?

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

### Is G free?

G costs $1.99, with no in-app purchases.

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

Neither Open Authenticator by Skyost nor G 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.*