📈Last 7 days+10K installs — 67% slower than the week before (+30K) · 1.4K/day since Sep 26
🏆Among Weather appstop 1% by installs gained this week (24 peers growing)
⭐Rating steady at ★ 4.29 since Sep 26
🛠Updatesquiet · updated 55 days ago
Estimates · last 30 days ⓘModelled figures, not reported by the store. Use them for scale and trends, not exact numbers.
Downloads ⓘTotal measured from the store install counter over the last 30 days. The split by country is estimated from chart positions in 20 markets with our own model — not figures reported by the store.
30Kmeasured · last 30 days
🇯🇵 Japan67%20K
Other markets33%
Installs since launch
+56,452 installs
· +50 ratings
since Sep 26
Update history
7.1.0Sep 16, 2026 · seen Sep 26, 2026
- Weather Flash Reports and Weather Information now display a map tailored to the type of information being reported<br>- Weather Flash Reports and Weather Information can now be delivered as push notifications<br>- The “Synoptic Chart” layer that was previously offered through Early Access is now available to everyone<br><br>Our thoughts are with everyone affected by the heavy rain disasters occu
Only the current version so far — new entries appear as the app ships updates.
NERV Disaster Prevention is a weather app by Gehirn Inc. with 1,000,000+ downloads (about 2.3M estimated). +10K installs in the last 7 days. Rated 4.3 from 5.8K ratings. Released Aug 25, 2021. Install growth, rank history, SDKs and ad networks.
From the store listing: “The NERV Disaster Prevention App is a smartphone service that delivers earthquake, tsunami, volcanic eruption and emergency warnings, as well as provides weather-related disaster prevention information for flooding and landslides, optimised based on the user's current and registered locations.
The app was developed…”
