# KeraLog vs Airlock 2FA

The clearest difference is update cadence: Airlock 2FA at every 2 months against KeraLog's every 5 months. KeraLog's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

KeraLog ships an update every 5 months, Airlock 2FA every 2 months. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | KeraLog | Airlock 2FA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (25 ratings)](https://appshunter.io/ios/app/airlock-2fa/id1502438188/reviews)** |
| Number of ratings | — | **25** |
| Positive reviews | — | 14.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 33 MB | 20 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ESYS Gesellschaft fuer Elektronische Systemtechnik . Hard- und Software mbH](https://appshunter.io/developer/917295043) | [Ergon Informatik AG](https://appshunter.io/developer/308649453) |

## What reviewers say

### KeraLog

[App page](https://appshunter.io/ios/app/keralog/id1452998421)

**Features:** macOS Compatibility

**In-app purchases:** none


### Airlock 2FA

[App page](https://appshunter.io/ios/app/airlock-2fa/id1502438188)

This app provides secure two-factor authentication and transaction approval for integrated websites. It supports one-touch logins, passcode authentication, and QR code approvals. Use it with services that have integrated the Airlock IAM solution.

**Highlights:** One-Touch Login, Passcode Login, One-Touch Transaction Approval, QR Code Transaction Approval, QR Code Activation, Smartphone Backup Recovery

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is KeraLog free?

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

### Is Airlock 2FA free?

Airlock 2FA is free to download, with no in-app purchases.

### Do KeraLog or Airlock 2FA have ads?

Neither KeraLog nor Airlock 2FA shows ads.

### Which is updated more often, KeraLog or Airlock 2FA?

KeraLog ships an update every 5 months, and Airlock 2FA every 2 months. Most recently, KeraLog was updated on October 26, 2026 and Airlock 2FA on October 29, 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.*