Comparison

NVS Tsunami Evacuation vs CertLok

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

CertLok

Manage and verify professional credentials, certifications, and important documents. Receive alerts for expirations and automatically generate shareable PDFs. Access construction and safety documents for onsite use.

Highlights
  • Store and share professional credentials
  • Automatic credential verification
  • Expiration date monitoring and alerts
  • Generate shareable credential PDFs
  • Upload and access construction/safety documents
  • Auto-logging of sharing activity
  • Weather alerts
Read full description

Certlok™ Overview Certlok™ is a mobile interface to credential management backend services by Risk Data Analytics, for skilled workers. Core Features: • Input, store, and share professional credentials and certifications. • Automatic verification of credentials (e.g., NCCCO, Commercial Driver’s License). • Monitoring and alerts for credential expiration dates. • Automatic generation of credential/certification PDFs for sharing with employers or site managers. • Upload and access construction, safety, or union documents for onsite use or sharing. • Auto-logging of credential and document sharing. • Weather alerts for your location. • View accessible cranes and update their current location Terms of use: https://riskdataanalytics.com/terms-of-service/

Screenshots

NVS Tsunami Evacuation4 screens
CertLok4 screens

Verdict

The call

The clearest difference is rating: CertLok at 5.0 against NVS Tsunami Evacuation's 3.5. CertLok also leads on update cadence (fortnightly vs every 3 months). NVS Tsunami Evacuation's advantage is in-app purchases (none vs 8) and ratings volume (19 vs 1). On price, ads, device support and iOS requirement 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. CertLok sells 8 in-app purchases, starting at $6.99 per month. NVS Tsunami Evacuation asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

CertLok 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 1, so its average is the more settled of the two.

UpkeepUpdate frequency

NVS Tsunami Evacuation ships an update every 3 months, CertLok fortnightly. The most recent releases landed on October 23, 2026 and October 11, 2026 respectively.

Scorecard5 real differences · 5 level
NVS Tsunami Evacuation versus CertLok: the parameters behind the verdict, then further details
ParameterNVS Tsunami EvacuationCertLok
PriceFreeFree
Rating3.5 (19 ratings)5.0 (1 ratings) — better
Positive reviews44.4% of reviews—
Number of ratings19 — better1
Update frequencyEvery 3 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.615.6 — better
Further details — not scored
Size7 MB123 MB
Age rating4+17+
DeveloperNANOOS-IOOSASSOCIATIONRisk Data Analytics, Inc.

Customer experience

NVS Tsunami Evacuation

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

CertLok

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

NVS Tsunami Evacuation

No in-app purchases

8 purchases

CertLok

Subscriptions8
  • Access - Monthly$6.991 Month
  • Access - Monthly, 1 Month Free.1 Month trial$6.991 Month
  • Access - Monthly, Discounted.1 Month trial$6.991 Month
Show 5 more
  • Access - Monthly, 1 Week Trial.7 Days trial$6.991 Month
  • Access - Yearly$74.991 Year
  • Access - Yearly, 1 Year Free.$76.991 Year
  • Access - Yearly, Discounted.1 Year trial$76.991 Year
  • Access - Yearly, 3 Months Trial.3 Months trial$76.991 Year

Questions

Is NVS Tsunami Evacuation free?
NVS Tsunami Evacuation is free to download, with no in-app purchases.
Is CertLok free?
CertLok is free to download, with in-app purchases available.
Which has better reviews, NVS Tsunami Evacuation or CertLok?
CertLok is rated higher. NVS Tsunami Evacuation averages 3.5 out of 5 from 19 ratings, while CertLok averages 5.0 from 1 ratings.
Do NVS Tsunami Evacuation or CertLok have ads?
Neither NVS Tsunami Evacuation nor CertLok shows ads.
Which is updated more often, NVS Tsunami Evacuation or CertLok?
NVS Tsunami Evacuation ships an update every 3 months, and CertLok fortnightly. Most recently, NVS Tsunami Evacuation was updated on October 23, 2026 and CertLok on October 11, 2026.

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