# FKApp vs LinOTP Authenticator

The clearest difference is update cadence: LinOTP Authenticator at every 8 months against FKApp's every 24 months. LinOTP Authenticator also leads on device support. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

FKApp ships an update every 24 months, LinOTP Authenticator every 8 months. The most recent releases landed on September 21, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | FKApp | LinOTP Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 24 months | **Every 8 months** |
| Size | 156 MB | 24 MB |
| Requires iOS | **12.2** | 13.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Fahrerkonzept GmbH](https://appshunter.io/developer/1609601097) | [KeyIdentity GmbH](https://appshunter.io/developer/571941070) |

## What reviewers say

### FKApp

[App page](https://appshunter.io/ios/app/fkapp/id1609601131)

**In-app purchases:** none


### LinOTP Authenticator

[App page](https://appshunter.io/ios/app/linotp-authenticator/id6450118468)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FKApp free?

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

### Is LinOTP Authenticator free?

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

### Which is updated more often, FKApp or LinOTP Authenticator?

FKApp ships an update every 24 months, and LinOTP Authenticator every 8 months. Most recently, FKApp was updated on September 21, 2026 and LinOTP Authenticator on September 27, 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.*