Sentinel Chat Channels vs CDA Secure Comms
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Sentinel Chat Channels
Facilitates secure team communication with instant messaging, file sharing, and group management. It offers a GDPR-compliant, professional environment with an audit trail and a protected contacts directory for immediate staff calls.
- Instant messaging
- File sharing
- Push notifications
- Group management
- Tamper-proof audit trail
- Protected contacts directory
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The Chat Channels app facilitates immediate communication with teams using instant messaging, file sharing, push notifications and group management in a secure environment with a tamper-proof audit trail. Chat Channels is GDPR-compliant and designed for use within a professional setting. Your organisation has full control of admin permissions. Chat Channels is one of the many ways that users of Sentinel, the award-winning crisis management software, can communicate and collaborate to resolve a crisis effectively. The Chat Channels app also includes the Contacts Directory that is protected from being shared on social media sites and gives the users the ability to immediately call staff and key contacts.
CDA Secure Comms
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Delivered by Central District Alliance, CDA Secure Comms is an ISO 27001 encrypted platform created exclusively for security stakeholders across the central London business districts of St Giles, Bloomsbury, Holborn, Hatton Garden, Farringdon & Clerkenwell. The multi-channel software supports crisis response teams and security personnel to share real-time intelligence in the event of a major emergency, incident, or crime; enabling users to securely send GDPR compliant messages, images and videos instantly.
Screenshots
Verdict
The clearest difference is update cadence: Sentinel Chat Channels at every 3 months against CDA Secure Comms's every 9 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Sentinel Chat Channels ships an update every 3 months, CDA Secure Comms every 9 months. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.
| Parameter | Sentinel Chat Channels | CDA Secure Comms |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | โ |
| Update frequency | Every 3 months โ better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | โ |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details โ not scored | ||
| Size | 35 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | YUDU Ltd | Central District Alliance Ltd |
In-app purchases
Sentinel Chat Channels
No in-app purchases
CDA Secure Comms
No in-app purchases
Questions
Is Sentinel Chat Channels free?
Is CDA Secure Comms free?
Do Sentinel Chat Channels or CDA Secure Comms have ads?
Which is updated more often, Sentinel Chat Channels or CDA Secure Comms?
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