Datasite vs Secure Contacts
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Datasite
Manage M&A transactions and due diligence from your mobile device. Access a secure data room to collaborate on deals, from financing to asset sales, anywhere you go. Streamline your workflow and save valuable time.
- Mobile M&A data room
- Transaction management
- Sell-side due diligence
- Buy-side due diligence
- Data room preparation
- Pipeline management
Read full descriptionHide full description
Keep the deal in your pocket with the Datasite mobile app. Put the world’s most trusted data room on your iPhone and manage any transaction, anywhere. Depend on technology made for M&A, whether it’s a financing, a restructuring, a mid-sized deal, or a billion-dollar asset sale. Collaborate seamlessly and save weeks. • Sell-side due diligence • Buy-side due diligence • Data room preparation • Pipeline management
Secure Contacts
Manage business contacts centrally and compliantly without manual maintenance. Consolidate contacts from Outlook, Teams, and CRM systems in a secure environment, avoiding unwanted synchronization with third-party providers.
- GDPR-compliant contact storage
- Microsoft 365 integration
- Teams calls and chats
- Caller identification and blocking
- Duplicate detection and merging
- Secure contact sharing
- Vacation mode
Read full descriptionHide full description
SECURE CONTACTS – GDPR-COMPLIANT CONTACT MANAGEMENT FOR BUSINESSES All your business contacts in one app - secure, efficient, and user-friendly. With Secure Contacts, you manage your business contacts centrally and in compliance with data protection regulations – completely without manual maintenance. The app consolidates contacts from Outlook, Microsoft Teams, your CRM system, and the company address book in a secure environment, without unwanted synchronization with third-party providers like Apple, Google, or WhatsApp. YOUR BENEFITS AT A GLANCE: • GDPR-compliant storage of all contacts • Secure use of Siri, CarPlay, etc. • No unwanted synchronization with third-party platforms • Microsoft integration: Seamless connection to M365 • Microsoft Teams: Start calls and chats directly from the app, including Teams status display • Caller identification • Call blocking • Vacation mode • vCard & QR code • Duplicate detection & automatic contact merging • Create, edit, delete, and securely share contacts • Scan vCards to quickly add new contacts • BYOD & COPE-ready: Ideal for both personal and business devices • Data privacy: No data collection by the app • No additional infrastructure required TRY IT FREE FOR 30 DAYS Request your FREE TRIAL LICENSE with full functionality directly from us and experience the benefits for your daily work. Request trial license: https://secure-contacts.com/kontakt-testlizenz/ TECHNICAL REQUIREMENTS • Microsoft Entra ID (formerly Azure AD) for user management • Any MDM system (Intune preferred) to manage mobile devices GET IN TOUCH Want to protect your business contacts without disrupting your employees’ workflow? Let’s talk about your project! More information available at: https://secure-contacts.com/ Please note: The app uses Apple iOS CallKit Blocking & Identification to recognize incoming callers. Users can also activate the app’s vacation mode, which automatically adds all listed contacts (except favorites) to the call block list. When vacation mode is deactivated, the block list is cleared.
Screenshots
Verdict
The clearest difference is ratings volume: Datasite at 174 against Secure Contacts's 1. On price, rating, update cadence and ads 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.
On the App Store both sit at effectively the same score — 4.9 for Datasite against 5.0 for Secure Contacts. That said, the two scores are not equally well evidenced: Datasite has 174 ratings behind it against 1, so its average is the more settled of the two.
Datasite ships an update monthly, Secure Contacts every 6 weeks. The most recent releases landed on September 16, 2026 and July 26, 2026 respectively.
| Parameter | Datasite | Secure Contacts |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (174 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 98.1% of reviews | — |
| Number of ratings | 174 — better | 1 |
| Update frequency | Monthly — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 130 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | Datasite LLC | Provectus Software GmbH |
Customer experience
Datasite
Secure Contacts
Bugs and requests
Datasite
Reported bugs
2 issues- Login screen freezes
- Incompatibility with older devices
Requested features
3 requests- Ability to move/copy files between folders
- Improved group permissions management
- Offline document viewing/editing capabilities
Secure Contacts
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Datasite
No in-app purchases
Secure Contacts
No in-app purchases







