NERV Disaster Prevention

NERV Disaster Prevention

All you need, in one app

42 ratings
49 reviews
#177 in free Weather
📡 News
☀️ Weather
Free
In-App Purchases

Details

  • Released
  • Updated
  • August 31, 2021
  • July 9, 2026

Features

NERV Disaster Prevention screenshot #1 for iPhone
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NERV Disaster Prevention screenshot #5 for iPhone
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NERV Disaster Prevention screenshot #7 for iPhone
NERV Disaster Prevention screenshot #8 for iPhone
NERV Disaster Prevention screenshot #9 for iPhone
NERV Disaster Prevention screenshot #10 for iPhone
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About

This app provides critical disaster warnings for earthquakes, tsunamis, volcanic eruptions, and weather-related events like floods and landslides. It offers real-time information optimized for your current and registered locations, helping you make informed decisions during emergencies.

Earthquake, tsunami, volcanic eruption warnings
Weather-related disaster prevention info
Location-optimized alerts
Real-time map interaction
Urgency-based notification sorting
Critical Alerts for imminent danger
Barrier-free design
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What's New in NERV Disaster Prevention

6.3.1

July 9, 2026

- Additional fixes related to the new disaster weather information system - Fixed an issue where typhoons would sometimes not render in the “National” home screen tab - Updated the Privacy Policy We would like to apologise for the concern caused by the development team update in our previous release notes. We received many messages of support and concern from users and other organisations, and were even contacted by members of the National Diet and the Japan Meteorological Agency asking if there was anything they could do to help. Though we can’t go into too much detail out of consideration for our relationships with other organisations, we have maintained regular communication with the Japan Meteorological Agency throughout both the lead-up to and rollout of the new disaster weather information system. More recently, we also visited the JMA headquarters for an in-person meeting to exchange views and share information, and have submitted requests for further improvements. Now that the work surrounding the new disaster weather information system has settled down, the development team has once again started work on new features! We’re excited to get them to you as soon as possible, so please bear with us for a little longer. Thank you for always supporting the NERV Disaster Prevention app.

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Subscription plans

E Plan

Supporters' Club

$2.491 Month
How to cancel NERV Disaster Prevention subscription ⁉️

Charts

Top Free

📉 177-12

Weather

This app dropped -12 positions in Weather chart.

Last updated on July 22, 2026.

User reviews

Awesomesauce

Dude it’s NERV

Fast, helpful, tasteful, good UI

I recently moved to Japan. This app notifies me ahead of any other app I have. And the user interface is simple to use, allowing me to add various regions I want to receive notifications for.
I clicked on the banner notification of an earthquake today and was instantly shown the anticipated strength and a map showing a live estimate of the anticipated shock that I could watch reach my area. This let me know it should be a relatively mild experience, but if it was going to be anything more serious I would need to leave the building.
Fortunately it was a relatively small occurrence today, but I greatly appreciate that I didn’t have to click through any menus for all of the important information in the moment.
Thank you so much for your efforts with this app to give us such instant information.
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Earthquake info

We had an EEW alert from our phones from taito tokyo thankfully we were in Shindo 2, barely could feel anything and it only made the hanging spray bottle swing from left to right. I had extreme anxiety because i’ve personally been through a magnitude 5.6 earthquake in Türkiye without no early warning signals and it was absolutely horrifying. I ask chat GPT info and it suggested me to download this app. The app told me everything about the earthquake occurred and thankfully we was only an hour away from the earth quake epicentre as it was somewhere in north area of saitama I believe which was a shindo -5 magnitude 5.5, even told me what area was the most impacted thankfully our area was in the very minor impact area thanks to this app.
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Excellent for anyone in Japan

Excellent innovation.

Not an early notification

Earthquake notifications come after it has happened. So keep that in mind.

FAQ

What types of disaster alerts does NERV provide?

NERV provides alerts for earthquakes, tsunamis, volcanic eruptions, and weather-related disasters such as flooding and landslides. It also includes weather and typhoon forecasts, rain radar, and heavy rain risk notifications.

How does NERV ensure fast information distribution?

The app receives information directly through a leased line connected to the Japan Meteorological Agency. This proprietary technology enables the fastest information distribution in Japan, ensuring users get critical updates quickly.

Can NERV send alerts even if my phone is on silent?

Yes, for urgent situations like Earthquake Early Warnings and Tsunami Warnings, NERV can send 'Critical Alerts' that will sound even if your device is in Silent or Do Not Disturb modes. This requires location permissions to be set to 'Always Allow' and Background App Refresh to be enabled.

What are the subscription plans for NERV?

NERV offers two subscription plans: the 'E Plan' at $2.49 per month and the 'EE Plan' at $4.49 per month. These plans are part of the Supporters' Club for in-app purchases.

Is NERV accessible for users with visual impairments?

Yes, NERV features a barrier-free design with color schemes that are easy to distinguish for people with color blindness. It also uses a font with large, clear letters to make long bodies of text easy to read.

What devices is NERV available on?

NERV is available on iPhone and iPod devices. It was released on August 31, 2021, and its latest version is 6.2.0, last updated on September 11, 2025.

How does NERV prioritize information on its home screen?

The home screen displays the most relevant information based on your current time and location. If multiple alerts are active, NERV sorts them by type, elapsed time, and urgency, ensuring you always see the most important information first.

What is the user rating for NERV?

NERV has a high user rating of 4.8 stars based on 31 ratings. This indicates strong user satisfaction with the app's functionality and reliability.