Comparison

Seismicity vs Xanthi

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

Head to head
About

Seismicity

Get real-time, reliable information on seismic events in Greece directly from the National Observatory of Athens. Users can view earthquakes on a map, personalize event details, and report their experiences to contribute to a broader understanding of seismic impact.

Highlights
  • Real-time seismic event information
  • Map view of seismic events
  • Personalized event details
  • Share seismic events
  • Report felt earthquakes
  • Light and dark theme options
Features
Read full description

The SEISCMICITY – Ν.Ο.Α. application is the official application of the Geodynamic Institute of the National Observatory of Athens, with the aim of providing to the citizens timely and reliable information about seismic events in Greece. It is thus a direct point of contact for the general public, the traditional and digital press and the scientific community around the seismic phenomena in the country. Thanks to the participatory action of its users, the application displays an overall picture of the magnitude and impact of the earthquake. Main features: - Real time information on seismic events, with the reliability of the National Observatory of Athens. - Ability to display seismic events on the map and observe their geographical location. - Personalized event view (earthquake magnitude, date, distance from user location) - Ability to share seismic events via e-mail, social networks, etc. - "I felt an earthquake" functionality where users submit their experiences and can also view the area where an earthquake was felt, according to user entries. - User Interface in light and dark color palette (theme). - Available in Greek and English

About

Xanthi

Features
Read full description

The official Municipality of Xanthi mobile App! Daily Requests, Emergencies information, Events Calendar and many other functions and tools to make the life of the visitor or citizen easier. Try it yourself now!

Screenshots

Seismicity4 screens
Xanthi4 screens

Verdict

The call

The clearest difference is update cadence: Xanthi at every 2 months against Seismicity's every 7 months. Seismicity's advantage is iOS requirement (11.0 vs 13.0). On price, rating, ratings volume and ads 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

On the App Store both sit at effectively the same score — 5.0 for Seismicity against 5.0 for Xanthi. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

Seismicity ships an update every 7 months, Xanthi every 2 months. Both last shipped on October 24, 2026.

Scorecard2 real differences · 8 level
Seismicity versus Xanthi: the parameters behind the verdict, then further details
ParameterSeismicityXanthi
PriceFreeFree
Rating5.0 (2 ratings)5.0 (1 ratings)
Positive reviews80.0% of reviews—
Number of ratings2 — better1
Update frequencyEvery 7 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS11.0 — better13.0
Further details — not scored
Size30 MB60 MB
Age rating4+4+
DeveloperNational Observatory of AthensMunicipality of Xanthi

In-app purchases

None

Seismicity

No in-app purchases

None

Xanthi

No in-app purchases

Questions

Is Seismicity free?
Seismicity is free to download, with no in-app purchases.
Is Xanthi free?
Xanthi is free to download, with no in-app purchases.
Which has better reviews, Seismicity or Xanthi?
Seismicity and Xanthi are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do Seismicity or Xanthi have ads?
Neither Seismicity nor Xanthi shows ads.
Which is updated more often, Seismicity or Xanthi?
Seismicity ships an update every 7 months, and Xanthi every 2 months. Most recently, Seismicity was updated on October 24, 2026 and Xanthi on October 24, 2026.

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