NVS Tsunami Evacuation vs PNW Callout
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NVS Tsunami Evacuation
This app displays tsunami evacuation zones along the Oregon and Washington coast. It allows users to map their home, work, or school to see if they are in a hazard zone and plan evacuation routes. It also shows critical locations like schools and government buildings.
- Tsunami evacuation zone maps
- Location mapping (home, work, school)
- GPS and address-based route planning
- Critical facility locations
- Tsunami warning bulletins
- State agency data
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* Oregon and Washington tsunami evacuation zone maps developed by the Oregon Department of Geology and Mineral Industries (DOGAMI) and the Washington Department of Natural Resources (WADNR) * NVS Tsunami app developed by the Northwest Association of Networked Ocean Observing Systems (NANOOS) NVS Tsunami provides you an at-a-glance view of where the tsunami hazard zones are along the Oregon and Washington coast, and allows you to map whether your home, work, school, etc. is located in a tsunami evacuation zone or not. To help you develop and plan your own evacuation routes, NVS Tsunami enables you to save your current position or points of interest via GPS or address look-up. As an important tool in preparing for a potentially catastrophic local or distant tsunami event for residents or visitors to the Pacific Northwest coast, NVS Tsunami also displays the locations of places that will be of critical importance prior to, during, and following a tsunami event, including schools, bridges, assembly areas, and various local government buildings. Features: o Up-to-date tsunami information published by Washington and Oregon state agencies and emergency managers, including evacuation zone maps, location of features of interest, and additional tsunami information for the public o Access to the most current tsunami warning bulletins from the West Coast and Alaska Tsunami Warning Center o Find a location by either address or GPS
PNW Callout
This event management tool helps teams track attendance for activities and notify members of requests. It can report member locations during active events until they mark themselves safe. Requires an active team subscription to use.
- Event attendance management
- Member notifications
- Location reporting during events
- Marking members safe
- Team subscription required
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PNW Callout is an event management tool for teams that need to manage attendance for events, trainings, and other activities. PNW Callout was developed here in the Pacific Northwest and is well suited for Search and Rescue teams of all sizes, as well as other teams that need a simple event management tool. PNW Callout notifies members as soon as their attendance has been requested, and can report each member's location while they are actively responding to an event, until they mark themselves home safe. Please note that the active GPS functionality can dramatically decrease battery life. NOTE: You must be a member of a team with an active subscription in order to use this application.
Screenshots
Verdict
The clearest difference is rating: PNW Callout at 5.0 against NVS Tsunami Evacuation's 3.5. PNW Callout also leads on update cadence (every 9 days vs every 3 months) and device support (4 vs 2). NVS Tsunami Evacuation's advantage is ratings volume (19 vs 3). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
PNW Callout holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: NVS Tsunami Evacuation has 19 ratings behind it against 3, so its average is the more settled of the two.
NVS Tsunami Evacuation ships an update every 3 months, PNW Callout every 9 days. The most recent releases landed on June 11, 2026 and July 20, 2026 respectively.
| Parameter | NVS Tsunami Evacuation | PNW Callout |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (19 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 44.4% of reviews | — |
| Number of ratings | 19 — better | 3 |
| Update frequency | Every 3 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 16.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 3 MB |
| Age rating | 4+ | 17+ |
| Developer | NANOOS-IOOSASSOCIATION | HOME SAFE LLC |
Customer experience
NVS Tsunami Evacuation
PNW Callout
In-app purchases
NVS Tsunami Evacuation
No in-app purchases
PNW Callout
No in-app purchases
Questions
Is NVS Tsunami Evacuation free?
Is PNW Callout free?
Which has better reviews, NVS Tsunami Evacuation or PNW Callout?
Do NVS Tsunami Evacuation or PNW Callout have ads?
Which is updated more often, NVS Tsunami Evacuation or PNW Callout?
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