Alaris vs CDA Alerts
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Alaris
This app offers free guidance from a counter-terrorism expert to enhance the safety and security of places of worship globally. It features an immediate action button for practical responses to various threats, designed for simplicity and accessibility to users of all faiths.
- Free expert advice on security
- Counter-terrorism guidance
- Immediate 'Take Action' button
- Practical response steps
- Designed for all faiths
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In response to attacks and threats to places of worship around the world, this app provides free advice from counter terrorism expert Chris Phillips GCGI, FCiiSCM, FSyl for making places safer and more secure. Alaris’s “Take Action” button in the app provides immediate practical steps for responding to the different threats. YUDU Sentinel have kept the design of the Alaris app simple for the benefit of people of all faiths across the world.
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 – 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.
Screenshots
Verdict
The clearest difference is update cadence: CDA Alerts at every 11 months against Alaris's every 36 months. 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.
Alaris ships an update every 36 months, CDA Alerts every 11 months. The most recent releases landed on October 25, 2026 and September 29, 2026 respectively.
| Parameter | Alaris | CDA Alerts |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 36 months | Every 11 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 21 MB | 146 MB |
| Age rating | 4+ | 4+ |
| Developer | YUDU Ltd | Central District Alliance Ltd |
In-app purchases
Alaris
No in-app purchases
CDA Alerts
No in-app purchases
Questions
Is Alaris free?
Is CDA Alerts free?
Do Alaris or CDA Alerts have ads?
Which is updated more often, Alaris or CDA Alerts?
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