Comparison

Datasite vs Secure Contacts

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

Head to head
About

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.

Highlights
  • Mobile M&A data room
  • Transaction management
  • Sell-side due diligence
  • Buy-side due diligence
  • Data room preparation
  • Pipeline management
Features
Read 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

About

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.

Highlights
  • 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 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

Datasite4 screens
Secure Contacts4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Datasite ships an update monthly, Secure Contacts every 6 weeks. The most recent releases landed on September 16, 2026 and July 26, 2026 respectively.

Scorecard1 real difference · 9 level
Datasite versus Secure Contacts: the parameters behind the verdict, then further details
ParameterDatasiteSecure Contacts
PriceFreeFree
Rating4.9 (174 ratings)5.0 (1 ratings) — better
Positive reviews98.1% of reviews—
Number of ratings174 — better1
Update frequencyMonthly — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size130 MB43 MB
Age rating4+4+
DeveloperDatasite LLCProvectus Software GmbH

Customer experience

Datasite

All ratings174 ratings
Positive98.3%
Neutral1.1%
Negative0.6%
Written reviews155 reviews
Positive98.1%
Neutral0.6%
Negative1.3%

Secure Contacts

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

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

None

Datasite

No in-app purchases

None

Secure Contacts

No in-app purchases

Questions

Is Datasite free?
Datasite is free to download, with no in-app purchases.
Is Secure Contacts free?
Secure Contacts is free to download, with no in-app purchases.
Which has better reviews, Datasite or Secure Contacts?
Secure Contacts is rated higher. Datasite averages 4.9 out of 5 from 174 ratings, while Secure Contacts averages 5.0 from 1 ratings.
Do Datasite or Secure Contacts have ads?
Neither Datasite nor Secure Contacts shows ads.
Which is updated more often, Datasite or Secure Contacts?
Datasite ships an update monthly, and Secure Contacts every 6 weeks. Most recently, Datasite was updated on September 16, 2026 and Secure Contacts on July 26, 2026.

Other comparisons