# FRITZ!App Fon vs SilicaTally

The clearest difference is price: FRITZ!App Fon at Free against SilicaTally's $9.99. FRITZ!App Fon also leads on update cadence (every 2 months vs every 5 months) and device support (3 vs 1). SilicaTally's advantage is iOS requirement (11.0 vs 15.0). On ads and in-app purchases there is nothing between them.

FRITZ!App Fon is free to download; SilicaTally costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

FRITZ!App Fon ships an update every 2 months, SilicaTally every 5 months. The most recent releases landed on November 12, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | FRITZ!App Fon | SilicaTally |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[4.5 (83K ratings)](https://appshunter.io/ios/app/fritzapp-fon/id372184475/reviews)** | — |
| Number of ratings | **83K** | — |
| Positive reviews | 53.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free | — |
| Size | 93 MB | 9 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [AVM GmbH](https://appshunter.io/developer/372184478) | [Jonas Goos](https://appshunter.io/developer/1409834989) |

## 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


### SilicaTally

[App page](https://appshunter.io/ios/app/silicatally/id1409834990)

**Features:** macOS Compatibility

**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 SilicaTally free?

SilicaTally costs $9.99, with no in-app purchases.

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

Neither FRITZ!App Fon nor SilicaTally shows ads.

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

FRITZ!App Fon ships an update every 2 months, and SilicaTally every 5 months. Most recently, FRITZ!App Fon was updated on November 12, 2026 and SilicaTally on May 16, 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.*