Comparison

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.

Head to head
About

CDA Alerts

Features
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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 – generating a contribution to London’s 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.

About

HS BID SECURE COMMS

Features
Read full description

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

CDA Alerts3 screens
HS BID SECURE COMMS4 screens

Verdict

The call

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 11 months. The most recent releases landed on September 10, 2026 and September 17, 2026 respectively.

ScorecardNo meaningful differences
CDA Alerts versus HS BID SECURE COMMS: the parameters behind the verdict, then further details
ParameterCDA AlertsHS BID SECURE COMMS
PriceFreeFree
Update frequencyEvery 11 monthsEvery 11 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod β€” betteriPhone, iPod
Requires iOS15.015.0
Further details β€” not scored
Size146 MB34 MB
Age rating4+4+
DeveloperCentral District Alliance LtdPrimera Corporation Ltd

In-app purchases

None

CDA Alerts

No in-app purchases

None

HS BID SECURE COMMS

No in-app purchases

Questions

Is CDA Alerts free?
CDA Alerts is free to download, with no in-app purchases.
Is HS BID SECURE COMMS free?
HS BID SECURE COMMS is free to download, with no in-app purchases.
Do CDA Alerts or HS BID SECURE COMMS have ads?
Neither CDA Alerts nor HS BID SECURE COMMS shows ads.
Which is updated more often, CDA Alerts or HS BID SECURE COMMS?
CDA Alerts ships an update every 11 months, and HS BID SECURE COMMS every 11 months. Most recently, CDA Alerts was updated on September 10, 2026 and HS BID SECURE COMMS on September 17, 2026.

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