Olympia Connect vs CITIBILL
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Olympia Connect
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Keep your home or workspace safe with our advanced fire detection app. Receive instant alerts whenever smoke or fire is detected, allowing you to act immediately. Our smart sensors provide real-time notifications, ensuring maximum protection for your property and loved ones. Easy to set up and reliable, this app is your first line of defense against fire emergencies.
CITIBILL
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The CITIBILL Mobile App offers possibilities for managing and paying the electronic accounts of DEYA and appointment requests with contracted public bodies. The following functions are included: -View total payment amount per user, DEYA, property. -Payment of water supply bill. -Electronic printing and saving of DEYA accounts in .pdf format. -Overview of real estate that has or had a contract with DEYA in the past. -Overview of the latest transactions (bills / repayments) per property. -Overview and save account history per property. The application currently serves the following organizations for water bills: -DEVA Xanthi -DEVA Kavala -DEVA Nestos -DEVA Serres The application currently serves the following organizations for electronic appointment requests: -Municipality of Nestos -Municipality of Xanthi -Municipality of Kavala -DEVA Kavala -DEVA Nestos -DEVA Xanthi -DEVA Serres
Screenshots
Verdict
The clearest difference is iOS requirement: Olympia Connect at 13.0 against CITIBILL's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Olympia Connect ships an update every 3 months, CITIBILL every 6 weeks. Both last shipped on October 25, 2026.
| Parameter | Olympia Connect | CITIBILL |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 6 weeks โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 โ better | 16.0 |
| Further details โ not scored | ||
| Size | 226 MB | 158 MB |
| Age rating | 17+ | 4+ |
| Developer | Olympia Electronics | CITIBILL SINGLE MEMBER S.A. |
In-app purchases
Olympia Connect
No in-app purchases
CITIBILL
No in-app purchases









