Comparison

TLB Alerts vs CDA Secure Comms

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

TLB Alerts

Features
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Team London Bridge is the local Business Improvement District for the area and, amongst other things, works to ensure the safety and resilience of our community. This incident alerting and messaging system is just one element involved in achieving this, providing businesses and their staff with: - Information during major security incidents, civil emergencies and disruptive events. - Notifications of free events and training including: counter terrorism awareness, crime prevention, personal safety and BikeRegister. - Monthly reports on the work of our dedicated police officers. - Access to a range of useful resources in a document library to help you prepare for future incidents.

About

CDA Secure Comms

Features
Read full description

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

TLB Alerts3 screens
CDA Secure Comms4 screens

Verdict

The call

TLB Alerts and CDA Secure Comms are too close to call on the numbers: across 6 compared parameters โ€” price, update cadence, ads and in-app purchases among them โ€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

TLB Alerts ships an update every 11 months, CDA Secure Comms every 9 months. The most recent releases landed on October 4, 2026 and September 30, 2026 respectively.

ScorecardNo meaningful differences
TLB Alerts versus CDA Secure Comms: the parameters behind the verdict, then further details
ParameterTLB AlertsCDA Secure Comms
PriceFreeFree
Update frequencyEvery 11 monthsEvery 9 months โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.015.0 โ€” better
Further details โ€” not scored
Size45 MB34 MB
Age rating4+4+
DeveloperTeam London BridgeCentral District Alliance Ltd

In-app purchases

None

TLB Alerts

No in-app purchases

None

CDA Secure Comms

No in-app purchases

Questions

Is TLB Alerts free?
TLB Alerts is free to download, with no in-app purchases.
Is CDA Secure Comms free?
CDA Secure Comms is free to download, with no in-app purchases.
Do TLB Alerts or CDA Secure Comms have ads?
Neither TLB Alerts nor CDA Secure Comms shows ads.
Which is updated more often, TLB Alerts or CDA Secure Comms?
TLB Alerts ships an update every 11 months, and CDA Secure Comms every 9 months. Most recently, TLB Alerts was updated on October 4, 2026 and CDA Secure Comms on September 30, 2026.

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