Citadel Team vs HOLIS Admin
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Citadel Team
This app offers a secure platform for team collaboration, enabling audio/video conferences, messaging, group creation, and file sharing. It prioritizes confidentiality with end-to-end encryption and adheres to strict privacy laws. Enjoy synchronized multi-device access and controlled contact invitations.
- Audio and video conferences
- Instant messaging and direct chats
- File sharing (documents, photos)
- Secure phone service
- Group creation
- Multi-device synchronization
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With Citadel Team, organize audio and video conferences, start calls, send messages, create groups with all your colleagues, share all kind of documents, videos and high-quality photos with complete confidentiality. Your communications are protected by advanced encryption technologies, including end-to-end encryption. This means that no one but you and your correspondent can listen to or read your exchanges. The Citadel Team service is hosted in France and applies strict French and European laws that protect your privacy. - More comfortable conversations: group instant messaging or direct chats, file sharing, Secure phone service, audio and video conferences - Keep your data under control: invite your contacts without your phonebook being stolen - Multi-devices automatic sync: Your mobile devices and computer are always synchronised And that's just the beginning: We have many other improvements coming to help you be more efficient at work every day!
HOLIS Admin
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Administration of HOLIS operational disruption and crisis management services
Screenshots
Verdict
The clearest difference is update cadence: HOLIS Admin at every 5 days against Citadel Team's every 2 months. Citadel Team's advantage is iOS requirement (13.0 vs 18.0). 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.
Citadel Team ships an update every 2 months, HOLIS Admin every 5 days. The most recent releases landed on October 15, 2026 and October 20, 2026 respectively.
| Parameter | Citadel Team | HOLIS Admin |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (10 ratings) — better | — |
| Positive reviews | 51.3% of reviews | — |
| Number of ratings | 10 — better | — |
| Update frequency | Every 2 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 137 MB | 35 MB |
| Age rating | 17+ | 4+ |
| Developer | THALES SIX GTS FRANCE S.A.S | CIM COMMUNICATION INFORMATION MANAGEME |
In-app purchases
Citadel Team
No in-app purchases
HOLIS Admin
No in-app purchases
