# Open Authenticator by Skyost vs FarmSense

The clearest difference is in-app purchases: FarmSense at none against Open Authenticator by Skyost's 2. FarmSense also leads on update cadence (weekly vs fortnightly). On price, ads, device support and iOS requirement 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. FarmSense asks for nothing beyond the download.

Open Authenticator by Skyost ships an update fortnightly, FarmSense weekly. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Open Authenticator by Skyost | FarmSense |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (12 ratings)](https://appshunter.io/ios/app/open-authenticator-by-skyost/id6479272927/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 0 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hugo Delaunay](https://appshunter.io/developer/1456648264) | [FarmSense Limited](https://appshunter.io/developer/1775989375) |

## 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 |


### FarmSense

[App page](https://appshunter.io/ios/app/farmsense/id6737357130)

**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 FarmSense free?

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

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

Neither Open Authenticator by Skyost nor FarmSense shows ads.

### Which is updated more often, Open Authenticator by Skyost or FarmSense?

Open Authenticator by Skyost ships an update fortnightly, and FarmSense weekly. Most recently, Open Authenticator by Skyost was updated on October 24, 2026 and FarmSense on October 14, 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.*