Comparison

NVS Tsunami Evacuation vs BottleDrop

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Tsunami evacuation zone maps
  • Location mapping (home, work, school)
  • GPS and address-based route planning
  • Critical facility locations
  • Tsunami warning bulletins
  • State agency data
Features
Read full description

* 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

About

BottleDrop

Easily return deposit containers and receive your refund. Access your account card, view your balance and bag history, and find nearby return locations. Manage your account information and receive important notifications.

Highlights
  • Return deposit containers
  • Receive refunds
  • Access account card
  • View account balance
  • Track bag history
  • Find return locations
  • Update account information
Features
Read full description

BottleDrop is the easiest way to return your deposit containers and get your refund. With the app, you can access your account card, view your account balance and bag history, find locations, update your account information, receive account notifications, and more.

Screenshots

NVS Tsunami Evacuation4 screens
BottleDrop4 screens

Verdict

The call

The clearest difference is rating: NVS Tsunami Evacuation at 3.5 against BottleDrop's 2.3. NVS Tsunami Evacuation also leads on review sentiment (44% vs 11%) and monetization model (free vs ad-supported). BottleDrop's advantage is ratings volume (104 vs 19) and iOS requirement (13.0 vs 16.6). On price, update cadence, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

NVS Tsunami Evacuation holds the better App Store score, 3.5 against 2.3. That said, the two scores are not equally well evidenced: BottleDrop has 104 ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 44% of NVS Tsunami Evacuation's written reviews are positive against 11% of BottleDrop's.

UpkeepUpdate frequency

NVS Tsunami Evacuation ships an update every 3 months, BottleDrop every 2 months. The most recent releases landed on June 11, 2026 and September 21, 2026 respectively.

Scorecard5 real differences · 5 level
NVS Tsunami Evacuation versus BottleDrop: the parameters behind the verdict, then further details
ParameterNVS Tsunami EvacuationBottleDrop
PriceFreeFree
Rating3.5 (19 ratings) — better2.3 (104 ratings)
Positive reviews44.4% of reviews — better10.7% of reviews
Number of ratings19104 — better
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.613.0 — better
Further details — not scored
Size7 MB57 MB
Age rating4+4+
DeveloperNANOOS-IOOSASSOCIATIONOregon Beverage Recycling Cooperative

Customer experience

NVS Tsunami Evacuation

All ratings19 ratings
Positive47.4%
Neutral21.1%
Negative31.6%
Written reviews27 reviews
Positive44.4%
Neutral14.8%
Negative40.7%

BottleDrop

All ratings104 ratings
Positive29.8%
Neutral2.9%
Negative67.3%
Written reviews112 reviews
Positive10.7%
Neutral8.0%
Negative81.3%

Bugs and requests

NVS Tsunami Evacuation

Not enough reviews yet to summarise bugs or requests.

BottleDrop

Reported bugs

18 issues
  • Unexpected logout after period of inactivity
  • Login failed errors despite correct credentials
  • App won't progress past splash/start screen
  • Crashes when accessing locations tab
  • Internet connectivity error messages despite active connection
Show 13 more
  • QR code unreadable by kiosk scanners
  • Transfer buttons hidden behind other UI elements
  • Venmo/PayPal transfer functionality non-functional
  • Password expiration without notification
  • Account recognition failures after logout
  • Brightness settings not respecting system preferences
  • App freezes during account activation
  • Bag history not displaying or updating
  • Virtual card not appearing in app despite website signup
  • Force close required to restore functionality
  • Deposits showing as pending indefinitely
  • QR code positioning incompatible with larger phones
  • Facial recognition not working despite activation

Requested features

11 requests
  • Dark mode for reduced eye strain in low light
  • Biometric authentication (Face ID, Touch ID, PIN)
  • Manual QR code entry option for unscanned bags
  • Transaction history and detailed bag credit breakdown
  • In-app bag and label ordering
Show 6 more
  • Apple Wallet integration for digital card
  • GPS-based location finder instead of manual entry
  • Persistent login sessions to avoid constant re-authentication
  • In-app cash withdrawal/transfer without kiosk visits
  • Email notifications for password resets and account changes
  • Account activity notifications

In-app purchases

None

NVS Tsunami Evacuation

No in-app purchases

None

BottleDrop

No in-app purchases

Questions

Is NVS Tsunami Evacuation free?
NVS Tsunami Evacuation is free to download, with no in-app purchases.
Is BottleDrop free?
BottleDrop is free to download, with no in-app purchases.
Which has better reviews, NVS Tsunami Evacuation or BottleDrop?
NVS Tsunami Evacuation is rated higher. NVS Tsunami Evacuation averages 3.5 out of 5 from 19 ratings, while BottleDrop averages 2.3 from 104 ratings.
Do NVS Tsunami Evacuation or BottleDrop have ads?
Neither NVS Tsunami Evacuation nor BottleDrop shows ads.
Which is updated more often, NVS Tsunami Evacuation or BottleDrop?
NVS Tsunami Evacuation ships an update every 3 months, and BottleDrop every 2 months. Most recently, NVS Tsunami Evacuation was updated on June 11, 2026 and BottleDrop on September 21, 2026.

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