CKey vs Nimbus Digital
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CKey
This system provides proprietary access control for premises. It allows users to manage entry and exit permissions for various locations. The application is designed for security and administrative purposes.
- Access control management
- Premises security
- Entry/exit permissions
- Proprietary system
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Proprietary system to control access to premises.
Nimbus Digital
This app unifies fire safety compliance tools, enabling users to log weekly tests, receive instant alerts for system events, and access on-site engineering data. It simplifies fire safety management for building managers, facilities teams, and fire system engineers, ensuring compliance with UK regulations.
- Log weekly fire alarm tests
- Receive instant fire system alerts
- Access real-time panel data
- Manage service visits
- Capture on-site compliance records
- Ensure UK compliance requirements
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Nimbus Digital brings together the functionality of Nimbus Engineer, Nimbus Notify, and Nimbus Weekly Test into a single, unified app — making fire safety compliance simpler, faster, and smarter. With Nimbus Digital you can: - Run Weekly Tests – Log and verify weekly fire alarm tests with full traceability. - Stay Notified – Receive instant alerts for fire system events, faults, and compliance updates. - Engineer Tools – Access real-time panel data, manage service visits, and capture compliance records on-site. Whether you’re a building manager, facilities team, or fire system engineer, Nimbus Digital keeps you connected to your fire safety responsibilities in one easy-to-use platform. Designed to meet the latest UK compliance requirements, Nimbus Digital ensures your audit trail is always complete, accurate, and regulator-ready.
Screenshots
Verdict
The clearest difference is update cadence: Nimbus Digital at every 2 weeks against CKey's every 4 months. CKey's advantage is iOS requirement (13.1 vs 15.0). On price, ads, in-app purchases and monetization model 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.
CKey ships an update every 4 months, Nimbus Digital every 2 weeks. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.
| Parameter | CKey | Nimbus Digital |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | — | 66.7% of reviews |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.1 — better | 15.0 |
| Further details — not scored | ||
| Size | 39 MB | 262 MB |
| Age rating | 4+ | 17+ |
| Developer | Nauta - Solucoes de Seguranca Lda | Nimbus Digital Solutions Ltd |
Customer experience
CKey
Nimbus Digital
In-app purchases
CKey
No in-app purchases
Nimbus Digital
No in-app purchases
