Comparison

Panic Button U vs Kalamaria Smart City

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

Head to head

About

Panic Button U

Features

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Panic Button is a new service and it is a mobile app that allows monitoring and providing complete protection of the user in case of trouble, by observing, keeping track of and determining the exact location of the user. This enables fast and timely reaction in certain situations by offering security measures aimed at ensuring the protection and security of the user. Through its monitoring center, the service is available 24 hours a day, seven days a week, if the user has provided a 24-hour stable internet connection through one of the mobile operators in the country and if he/she has activated the GPS (geolocation service) on his/her mobile device. In order to use the Panic Button app, you need to register for the service through the Register option or contact our services directly. If you agree with the General Terms of Use of the app, press I agree

About

Kalamaria Smart City

Features

Read full description

Municipality of Kalamaria Smart city app The app consists of: 1. Live map with parking slots 2. Live map with bins fullness 3. Environmental data tables 4. Municipality's News 5. Points of Interest 6. Public WiFi Hotspots 7. Emergency Alerts 8. List of businesses 9. Shopping Discounts 10. Map of businesses

Screenshots

Panic Button U4 screens

Kalamaria Smart City3 screens

Verdict

The call

The clearest difference is update cadence: Panic Button U at every 8 days against Kalamaria Smart City's every 2 months. Panic Button U also leads on iOS requirement (12.1 vs 15.0). On price, ads, in-app purchases and device support 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.

UpkeepUpdate frequency

Panic Button U ships an update every 8 days, Kalamaria Smart City every 2 months. The most recent releases landed on September 20, 2026 and August 14, 2026 respectively.

Scorecard2 real differences · 4 level

Panic Button U versus Kalamaria Smart City: the parameters behind the verdict, then further details
Parameter	Panic Button U	Kalamaria Smart City
Price	Free	Free
Update frequency	Every 8 days — better	Every 2 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	12.1 — better	15.0
Further details — not scored
Size	58 MB	25 MB
Age rating	4+	4+
Developer	ULTIMA Enterprise Doo	Dotsoft

In-app purchases

None

Panic Button U

No in-app purchases

None

Kalamaria Smart City

No in-app purchases

Questions

Is Panic Button U free?

Panic Button U is free to download, with no in-app purchases.

Is Kalamaria Smart City free?

Kalamaria Smart City is free to download, with no in-app purchases.

Do Panic Button U or Kalamaria Smart City have ads?

Neither Panic Button U nor Kalamaria Smart City shows ads.

Which is updated more often, Panic Button U or Kalamaria Smart City?

Panic Button U ships an update every 8 days, and Kalamaria Smart City every 2 months. Most recently, Panic Button U was updated on September 20, 2026 and Kalamaria Smart City on August 14, 2026.