# Viva Engage vs Crises Control +

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.

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

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.

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.

## The numbers

| Metric | Viva Engage | Crises Control + |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (4.1K ratings)](https://appshunter.io/ios/app/viva-engage/id289559439/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/crises-control-plus/id6745257150/reviews)** |
| Number of ratings | **4.1K** | 1 |
| Positive reviews | 55.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free | Free |
| Size | 143 MB | 118 MB |
| Requires iOS | 17.6 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Microsoft Corporation](https://appshunter.io/developer/298856275) | [Transputec Computers PLC](https://appshunter.io/developer/373805306) |

## What reviewers say

### Viva Engage

[App page](https://appshunter.io/ios/app/viva-engage/id289559439)

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

**In-app purchases:** none

**What reviewers like**

- 👍 Great way to connect with colleagues
- 🚀 Easy to use and navigate
- 💡 Useful for sharing updates and announcements
- 🚀 Convenient mobile app experience

**What reviewers complain about**

- 🐛 Buggy and unstable, with frequent crashes
- 🔍 Poor search functionality and difficulty finding content
- 📤 Notifications are unreliable and inconsistent
- 🔀 Disorganized feed with posts out of chronological order

**Reported bugs**

- 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**

- 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 +

[App page](https://appshunter.io/ios/app/crises-control-plus/id6745257150)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*