# FRITZ!App Fon vs AUTHADA

The clearest difference is review sentiment: AUTHADA at 76% against FRITZ!App Fon's 53%. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | FRITZ!App Fon | AUTHADA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (83K ratings)](https://appshunter.io/ios/app/fritzapp-fon/id372184475/reviews)** | — |
| Number of ratings | **83K** | — |
| Positive reviews | 53.5% of reviews | **76.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 93 MB | 15 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AVM GmbH](https://appshunter.io/developer/372184478) | [Authada GmbH](https://appshunter.io/developer/1314423801) |

## What reviewers say

### FRITZ!App Fon

[App page](https://appshunter.io/ios/app/fritzapp-fon/id372184475)

This app allows you to make and receive calls using your home's fixed-line network and internet connection through your FRITZ!Box. It runs in the background, ensuring you never miss a call and can easily access your phone book and answering machine.

**Highlights:** Make calls via FRITZ!Box, Receive calls via FRITZ!Box, Background operation, Access phone book, Use answering machine

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy setup and configuration process
- 🎯 Use mobile as landline extension via WiFi/VPN
- 📞 Call screening and spam filtering capabilities
- 🔊 HD voice quality when working properly
- 📋 Integrated call history and contact synchronization

**What reviewers complain about**

- 🐛 Poor call quality and audio dropouts
- 🔌 Unreliable connection to Fritz!Box
- 🔋 Severe battery drain and background activity issues
- 📵 No incoming call notifications in background
- 🎤 Microphone not heard by other party

**Reported bugs**

- No incoming calls when VPN is active
- Calls not ringing in background mode
- Audio delay when switching to speakerphone/headphones
- Contact names not resolving in call list
- App freezes during login with Fritz!Box

**Requested features**

- Call transfer functionality to other extensions
- Apple Watch app support with CallKit integration
- Delete call list entries functionality
- Search function in contact list
- Fax sending capability


### AUTHADA

[App page](https://appshunter.io/ios/app/authada/id1479685801)

Securely identify yourself online using your German identity card or residence permit. The app guides you through the process of reading your ID and entering necessary codes for verification.

**Highlights:** Online identification with German ID card, Uses NFC for data reading, PIN and TAN entry for verification, PIN change and unlock functionality, Privacy-focused with BSI certification, Accessible design

**In-app purchases:** none


## Frequently asked questions

### Is FRITZ!App Fon free?

FRITZ!App Fon is free to download, with no in-app purchases.

### Is AUTHADA free?

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

### Do FRITZ!App Fon or AUTHADA have ads?

Neither FRITZ!App Fon nor AUTHADA shows ads.

### Which is updated more often, FRITZ!App Fon or AUTHADA?

FRITZ!App Fon ships an update every 2 months, and AUTHADA every 2 months. Most recently, FRITZ!App Fon was updated on October 24, 2026 and AUTHADA on October 24, 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.*