# COPROG Calendar vs Xentra

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.

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.

## The numbers

| Metric | COPROG Calendar | Xentra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/xentra/id6773092845/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | — | Free |
| Size | 63 MB | 44 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [COPROG e.K.](https://appshunter.io/developer/1356957127) | [Mario Schilling](https://appshunter.io/developer/1865785415) |

## What reviewers say

### COPROG Calendar

[App page](https://appshunter.io/ios/app/coprog-calendar/id6670216681)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Xentra

[App page](https://appshunter.io/ios/app/xentra/id6773092845)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is COPROG Calendar free?

COPROG Calendar is free to download, with no in-app purchases.

### Is Xentra free?

Xentra is free to download, with no in-app purchases.

### Do COPROG Calendar or Xentra have ads?

Neither COPROG Calendar nor Xentra shows ads.

### Which is updated more often, COPROG Calendar or Xentra?

COPROG Calendar ships an update fortnightly, and Xentra every 3 weeks. Most recently, COPROG Calendar was updated on November 4, 2026 and Xentra on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*