Comparison

Viva Engage vs Crises Control +

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

Head to head
About

Viva Engage

Connect with colleagues, leaders, and communities to share knowledge and express your ideas. Stay informed with live events and townhalls, and engage in organization-wide discussions from anywhere.

Highlights
  • Join organization-wide communities
  • Engage with leadership and co-create culture
  • Watch and participate in live events
  • Share your perspective via storylines
  • Create rich posts with media
  • Ask questions and share knowledge
  • Stay connected with colleagues
Read full description

Viva Engage helps you connect with leaders and peers, express yourself, share and discover knowledge and engage in organization-wide communities that matter to you. Stay informed and in touch while on the go with the Viva Engage app. You will experience the same capabilities in a rich mobile design on Viva Engage for iOS, formerly Yammer. Join Communities Discover and participate in org-wide communities to connect with colleagues with similar interests and skillsets. Engage with Leadership Viva Engage app enables leaders and employees to engage and co-create company culture. You can watch and participate in Live Events, Townhalls, All-hands videos and to stay aligned with what’s top of mind for leadership. Express Yourself Share your unique perspective at scale through your storyline. Create rich posts that include links, videos, photos, and files. These posts reach and engage followers and colleagues in Microsoft Viva Connections, Outlook, and Teams. Share Knowledge Ask questions, share knowledge and feedback, crowdsource ideas using org-wide communities. Stay Connected With the Viva Engage app, you're just a tap away from leadership, coworkers, information, and conversations whether you are in the office or on the go. Rich Intuitive Mobile Experience Viva Engage enables you to engage on mobile in a way that is intuitive on iOS. Share photos and videos with your colleagues, respond with a quick GIF to welcome a new employee or praise someone. Get interactive notifications that are tuned to the right amount of information you need. Access these notifications from your lock screen.

About

Crises Control +

This platform facilitates rapid communication for organizations during emergencies. It enables sending real-time alerts via SMS, calls, push notifications, and emails to large groups, with features for reporting and auditing.

Highlights
  • Real-time notifications (SMS, calls, push, email)
  • Mass communication capabilities
  • Reporting and Control Centre features
  • Seamless audit trail
  • Risk minimization
  • Enhanced safety
Features
Read full description

Crises Control Plus is the next generation of our industry-leading crisis management and communication platform, now faster, smarter and sleeker than ever before. Designed to help organisations stay connected during emergencies. Crises Control Plus allows you to send real-time notifications (SMS, Phone Calls, Push Notifications and Emails) to any number of people with just a few taps. Powerful new features like, Reports and viewing the Control Centre streamlines communication to ensure immediate responses and provide a seamless audit trail for accountability. With a brand new look and lightning fast performance, Crises Control Plus minimises risks, enhances safety, and reduces environmental and operational impacts when it matters most. Stay prepared. Stay connected. Upgrade to Crises Control Plus today.

Screenshots

Viva Engage4 screens
Crises Control +4 screens

Verdict

The call

The clearest difference is rating: Crises Control + at 5.0 against Viva Engage's 4.6. Crises Control + also leads on iOS requirement (15.5 vs 17.6). Viva Engage's advantage is update cadence (weekly vs every 2 months) and ratings volume (4.1K vs 1). 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

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

Crises Control + holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Viva Engage has 4.1K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Viva Engage ships an update weekly, Crises Control + every 2 months. The most recent releases landed on October 17, 2026 and September 29, 2026 respectively.

Scorecard4 real differences · 6 level
Viva Engage versus Crises Control +: the parameters behind the verdict, then further details
ParameterViva EngageCrises Control +
PriceFreeFree
Rating4.6 (4.1K ratings)5.0 (1 ratings) — better
Positive reviews55.0% of reviews—
Number of ratings4.1K — better1
Update frequencyWeekly — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.5 — better
Further details — not scored
Size143 MB118 MB
Age rating4+12+
DeveloperMicrosoft CorporationTransputec Computers PLC

Customer experience

Viva Engage

All ratings4,092 ratings
Positive92.6%
Neutral3.0%
Negative4.4%
Written reviews456 reviews
Positive55.0%
Neutral13.6%
Negative31.4%

Crises Control +

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

Bugs and requests

Viva Engage

Reported bugs

4 issues
  • Login issues and inability to access the app
  • Inconsistent behavior between mobile and desktop versions
  • Incorrect unread message counts and notification badges
  • Uploading and viewing media content is problematic

Requested features

4 requests
  • Add ability to edit and delete posts
  • Improve file management and sharing capabilities
  • Implement better group management tools for admins
  • Introduce dark mode and customization options

Crises Control +

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Viva Engage

No in-app purchases

None

Crises Control +

No in-app purchases

Questions

Is Viva Engage free?
Viva Engage is free to download, with no in-app purchases.
Is Crises Control + free?
Crises Control + is free to download, with no in-app purchases.
Which has better reviews, Viva Engage or Crises Control +?
Crises Control + is rated higher. Viva Engage averages 4.6 out of 5 from 4.1K ratings, while Crises Control + averages 5.0 from 1 ratings.
Do Viva Engage or Crises Control + have ads?
Neither Viva Engage nor Crises Control + shows ads.
Which is updated more often, Viva Engage or Crises Control +?
Viva Engage ships an update weekly, and Crises Control + every 2 months. Most recently, Viva Engage was updated on October 17, 2026 and Crises Control + on September 29, 2026.

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