COPROG Calendar vs Xentra
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
COPROG Calendar
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Maximize Your Company Success with Our Powerful Company Management App! Discover the easy way to efficiently schedule and manage your appointments. Our software allows you to reach new customers who prefer to book online. With our intuitive online booking system, your clients have the freedom to book their appointments independently—within the times you set, of course. You remain in control while the system automatically handles appointment scheduling for you. More control, less effort: Set your availability, and let the system take care of the rest. This way, you can focus on what truly matters: your clients. Stay perfectly organized: Manage your working hours, keep track of all client data, and effortlessly organize your daily tasks. Save notes for each appointment to ensure you’re always well-prepared, creating an unforgettable customer experience. Boost your efficiency and enhance your service—all with just one app! Download the app now and turn your salon management into a true success story!
Xentra
Streamline short-term rental management with a unified platform for bookings, guest communication, smart lock access, cleaning schedules, and invoicing. Automate repetitive tasks and gain a clear overview of your operations, whether you manage one property or many.
- Unified booking calendar
- Centralized guest messaging
- Automated smart lock code generation
- Automated cleaning job creation
- Digital guest registration
- Automated invoicing and tax reporting
- Real-time push notifications
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Xentra is the command centre for your short-term rentals. Bookings, guest messaging, smart locks, cleaning and invoicing all live in one place — at your desk and on the move. Instead of jumping between a channel manager, a lock app, a spreadsheet and WhatsApp, you get one view. And anything that repeats, Xentra handles on its own. WHAT XENTRA TAKES OFF YOUR PLATE • Bookings from every channel in a single calendar • Guest messages in one inbox, with automatic replies • Door codes that create themselves per booking and expire on their own • Cleaning jobs raised automatically after check-out • Digital guest registration and guest cards instead of paperwork • Invoices, tourist tax and reporting without the follow-up work • Real-time push notifications when something actually needs you CONNECTS WITH • Channels and PMS platforms including Beds24, Smoobu, Hostaway, Lodgify and Channex • Smart locks from Nuki, Tedee, igloohome, TTLock, Salto and Seam • A booking widget and your own website for commission-free direct bookings BUILT FOR • Hosts with a single holiday rental • Property managers with a growing portfolio • Apartment buildings and serviced apartments • Hospitality operators standardising how they work One apartment or two hundred — Xentra scales with you. Same workflow, more properties.
Screenshots
Verdict
COPROG Calendar and Xentra are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
COPROG Calendar ships an update fortnightly, Xentra every 3 weeks. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.
| Parameter | COPROG Calendar | Xentra |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 63 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | COPROG e.K. | Mario Schilling |
In-app purchases
COPROG Calendar
No in-app purchases
Xentra
No in-app purchases









