# privacyIDEA Authenticator vs IKB

privacyIDEA Authenticator and IKB are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

privacyIDEA Authenticator ships an update every 2 months, IKB every 3 months. The most recent releases landed on September 9, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | privacyIDEA Authenticator | IKB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (7 ratings)](https://appshunter.io/ios/app/privacyidea-authenticator/id1445401301/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 30 MB | 4 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [NetKnights GmbH](https://appshunter.io/developer/1445401030) | [Innsbrucker Kommunalbetriebe Aktiengesellschaft](https://appshunter.io/developer/1478858333) |

## What reviewers say

### privacyIDEA Authenticator

[App page](https://appshunter.io/ios/app/privacyidea-authenticator/id1445401301)

This app transforms your smartphone into a secure authentication device for two-factor authentication. It seamlessly integrates with a backend system, offering a more secure rollout process than traditional tokens.

**Highlights:** Two-factor authentication, OTP token support, Secure rollout process, Smartphone as authentication device, REST API integration

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

**In-app purchases:** none


### IKB

[App page](https://appshunter.io/ios/app/ikb-abfallapp/id6739422767)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is privacyIDEA Authenticator free?

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

### Is IKB free?

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

### Do privacyIDEA Authenticator or IKB have ads?

Neither privacyIDEA Authenticator nor IKB shows ads.

### Which is updated more often, privacyIDEA Authenticator or IKB?

privacyIDEA Authenticator ships an update every 2 months, and IKB every 3 months. Most recently, privacyIDEA Authenticator was updated on September 9, 2026 and IKB on September 17, 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.*