# STARFACE vs Castell Monteur

The clearest difference is update cadence: Castell Monteur at every 5 days against STARFACE's every 2 months. Castell Monteur also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, 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.

STARFACE ships an update every 2 months, Castell Monteur every 5 days. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | STARFACE | Castell Monteur |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/starface/id1105388186/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 64 MB | 2 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [STARFACE GmbH](https://appshunter.io/developer/363724904) | [Faber-Castell Energy GmbH](https://appshunter.io/developer/6808776693) |

## What reviewers say

### STARFACE

[App page](https://appshunter.io/ios/app/starface/id1105388186)

This business communication app integrates instant messaging, voicemail, video chat, and faxing with your phone system. Manage calls, contacts, and messages from a unified interface, reducing mobile phone bills.

**Highlights:** SIP and GSM calling, Instant messaging and chat, Voicemail and fax integration, Call management and forwarding, Access to STARFACE address book, Favorites with BLF/Direct Dial Keys, Unified communication journal

**Features:** Siri integration, Vision Pro support

**In-app purchases:** none


### Castell Monteur

[App page](https://appshunter.io/ios/app/castell-monteur/id6808776691)

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

**In-app purchases:** none


## Frequently asked questions

### Is STARFACE free?

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

### Is Castell Monteur free?

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

### Do STARFACE or Castell Monteur have ads?

Neither STARFACE nor Castell Monteur shows ads.

### Which is updated more often, STARFACE or Castell Monteur?

STARFACE ships an update every 2 months, and Castell Monteur every 5 days. Most recently, STARFACE was updated on November 6, 2026 and Castell Monteur on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*