CDA Alerts vs HS BID SECURE COMMS
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
CDA Alerts
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Central District Alliance the Business Improvement District comprising of Holborn, Clerkenwell, Farringdon, Bloomsbury, and St Giles. We are a collective voice of over 400 organisations, representing a highly diversified commercial and cultural base of creative, educational, legal, medical, professional, scientific, and technological brands of global significance β generating a contribution to Londonβs GVA second only to the city. Prioritising sustainability, destination modelling, business solutions, public realm, and placemaking within our district. This Incident Alert System has been designed to support members responsible for their staff and business continuity, crisis management and emergency planning. This system can: - Be used to communicate to you in real-time, on major incidents in the area as they unfold, such as fire, gas explosion and act of terrorism, as well as notify you in advance of planned events such as marches or protests that may affect your business and staff. - Give you access to useful resources in a document library to help you plan in advance or even refer to during a real-time incident. They can be viewed offline if mobile networks are unavailable.
HS BID SECURE COMMS
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The Harley Street BID Secure comms app allows for key security groups in the Harley street are of London to discuss and share information in real-time in a secure and GDPR compliant space that is managed by the Harley Streed BID operations team. The single sign on feature of the app allows users of the Harley Street BID ENS App to automatically log into the Harley Street BID Secure Comms app.
Screenshots
Verdict
CDA Alerts and HS BID SECURE COMMS are too close to call on the numbers: across 6 compared parameters β price, update cadence, ads and in-app purchases among them β neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 11 months. The most recent releases landed on September 10, 2026 and September 17, 2026 respectively.
| Parameter | CDA Alerts | HS BID SECURE COMMS |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 11 months | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod β better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details β not scored | ||
| Size | 146 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Central District Alliance Ltd | Primera Corporation Ltd |
In-app purchases
CDA Alerts
No in-app purchases
HS BID SECURE COMMS
No in-app purchases
Questions
Is CDA Alerts free?
Is HS BID SECURE COMMS free?
Do CDA Alerts or HS BID SECURE COMMS have ads?
Which is updated more often, CDA Alerts or HS BID SECURE COMMS?
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