# Callbell Chat vs Castrum CRM

The clearest difference is update cadence: Castrum CRM at every 2 weeks against Callbell Chat's every 3 weeks. 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.

Callbell Chat ships an update every 3 weeks, Castrum CRM every 2 weeks. The most recent releases landed on October 24, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Callbell Chat | Castrum CRM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/callbell-chat/id1476257476/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 72 MB | 345 MB |
| Requires iOS | **16.4** | 16.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 17+ |
| Developer | [Callbell](https://appshunter.io/developer/1476257475) | [Romulus Ventures LLC](https://appshunter.io/developer/1780937519) |

## What reviewers say

### Callbell Chat

[App page](https://appshunter.io/ios/app/callbell-chat/id1476257476)

Manage customer conversations from multiple messaging platforms in one place. This tool offers collaborative features for businesses to streamline communication and support.

**Highlights:** Unified inbox for multiple messaging apps, Collaborative features for teams, Easy-to-use interface, Handles WhatsApp, Facebook Messenger, Instagram, and Telegram

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

**In-app purchases:** none


### Castrum CRM

[App page](https://appshunter.io/ios/app/castrum-crm/id6744317698)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Callbell Chat free?

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

### Is Castrum CRM free?

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

### Do Callbell Chat or Castrum CRM have ads?

Neither Callbell Chat nor Castrum CRM shows ads.

### Which is updated more often, Callbell Chat or Castrum CRM?

Callbell Chat ships an update every 3 weeks, and Castrum CRM every 2 weeks. Most recently, Callbell Chat was updated on October 24, 2026 and Castrum CRM on September 19, 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.*