Callbell Chat vs Castrum CRM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Callbell Chat
Manage customer conversations from multiple messaging platforms in one place. This tool offers collaborative features for businesses to streamline communication and support.
- Unified inbox for multiple messaging apps
- Collaborative features for teams
- Easy-to-use interface
- Handles WhatsApp, Facebook Messenger, Instagram, and Telegram
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Callbell is the easiest way for businesses to handle WhatsApp, Facebook Messenger, Instagram and Telegram conversations. Easy to use as a messaging app but built with powerful collaborative features in mind.
Castrum CRM
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This is the the Castrum CRM official App. Handle your business with you phone in the most easy and fast way! Thanks to our CRM "Castrum" you have the opportunity to have in a single software, all the functions currently necessary to better manage your business: - Advanced contact details - Management of calendars, reservations and appointments - Management of customer acquisition and follow-up flows - Sending Newsletters - Automations to limit the number of manual operations of your team - Creation of funnels, websites, blogs, surveys, etc... - Advanced analytics - and much more
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Callbell Chat | Castrum CRM |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.4 — better | 16.6 |
| Further details — not scored | ||
| Size | 72 MB | 345 MB |
| Age rating | 17+ | 17+ |
| Developer | Callbell | Romulus Ventures LLC |
In-app purchases
Callbell Chat
No in-app purchases
Castrum CRM
No in-app purchases
Questions
Is Callbell Chat free?
Is Castrum CRM free?
Do Callbell Chat or Castrum CRM have ads?
Which is updated more often, Callbell Chat or Castrum CRM?
Other comparisons
