# NT Sentinel

> Emergency notification and crisis management system for National Theatre staff and public. (iPhone/iPad app by National Theatre.)

- Source: https://appshunter.io/ios/app/nt-sentinel/id1453413993 (this page in markdown: same URL + `.md`)
- Developer: [National Theatre](https://appshunter.io/developer/720763485)
- Category: Utilities, Business
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 16.0 · 82 MB
- Languages: American English
- Released: 2019-02-22
- Data updated: 2026-08-15
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/nt-sentinel/id1453413993/reviews.md

## What is NT Sentinel?

The National Theatre Sentinel app is designed to inform and communicate key information to the staff and general public when incidents occur in and around the National Theatre venue on London’s Southbank.

The National Theatre Emergency Notification System (ENS) can quickly and easily construct and send critical information to local businesses and also respond to those that are in need. This comprehensive notification system keeps everyone informed before, during and after all events to achieve situational awareness when time is of the essence.

Below are some of the features of the app and system:

- Can send critical notifications using multiple types of notification (SMS, email, in-app etc)
- Activate and receive confirmations from key contacts via a 2-way in-app messaging feature
- Crisis Management
- Clear lines of responsibility
- In-app checklists
- Defined communication flow
- Access and execute the Business Continuity Plan at the push of a button
- Track and analyse actions and responses to improve on future incidents
- Enhanced situational awareness
…………………………….

## Key features

- Critical notification delivery (SMS, email, in-app)
- 2-way in-app messaging with confirmations
- Crisis management tools
- In-app checklists
- Business Continuity Plan execution
- Action and response tracking
- Enhanced situational awareness


## Frequently asked questions about NT Sentinel

### What is NT Sentinel used for?

NT Sentinel is an emergency notification and crisis management system designed to inform staff and the public about incidents at the National Theatre venue. It helps ensure situational awareness and facilitates rapid communication during critical events.

### How does NT Sentinel send notifications?

NT Sentinel can send critical information through multiple channels, including SMS, email, and in-app notifications. This ensures that important updates reach users regardless of their primary communication method.

### Can users communicate back through NT Sentinel?

Yes, NT Sentinel features a 2-way in-app messaging system that allows key contacts to activate and send confirmations. This facilitates active communication and confirmation of actions during an incident.

### Does NT Sentinel help with planning for incidents?

Yes, NT Sentinel includes features like in-app checklists and the ability to access and execute the Business Continuity Plan at the push of a button. It also tracks and analyzes actions to improve future incident responses.

### What devices support NT Sentinel?

NT Sentinel is available for iPhone and iPad devices. This ensures broad accessibility for users within the National Theatre's operational environment.

### How often is NT Sentinel updated?

The latest version of NT Sentinel is 1.0.8, which was last updated on January 21, 2026. This indicates a commitment to maintaining and improving the application's functionality.

### What is the age rating for NT Sentinel?

NT Sentinel has an age rating of 4+. This suggests it is suitable for a wide range of users, including younger individuals who may be part of the public attending events.

### Does NT Sentinel have ads?

NT Sentinel does not contain advertisements. As a free application focused on critical communication, it prioritizes an uninterrupted user experience during emergencies.

## Version history (last 5 releases)

### 1.0.8 — 2026-01-21

- Minor bug fixes and improvements.

### 1.0.7 — 2025-02-06

- Minor bug fixes and improvements.

### 1.0.6 — 2023-06-29

- Minor bug fixes

### 1.0.5 — 2022-04-21

- iOS 15 support

### 1.0.4 — 2021-05-13

- iOS14 support
- Bug fixes and performance enhancements

## More apps by National Theatre

- [National Theatre at Home](https://appshunter.io/ios/app/national-theatre-at-home/id1537364505)
- [All Kinds of Limbo](https://appshunter.io/ios/app/all-kinds-of-limbo/id1596767558)

All apps by National Theatre: https://appshunter.io/developer/720763485

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-15.*