# CallGuard vs Nextcloud Calendar

The clearest difference is price: Nextcloud Calendar at Free against CallGuard's $4.99. Nextcloud Calendar also leads on iOS requirement (16.4 vs 18.0). On review sentiment, update cadence, ads and in-app purchases there is nothing between them.

Nextcloud Calendar is free to download; CallGuard costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CallGuard ships an update every 9 days, Nextcloud Calendar every 2 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | CallGuard | Nextcloud Calendar |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/nextcloud-calendar/id6766678698/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Monetization | Paid | **Free** |
| Size | 4 MB | 52 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Alexis Creuzot](https://appshunter.io/developer/650627813) | [Soluce Technologies](https://appshunter.io/developer/1626802271) |

## What reviewers say

### CallGuard

[App page](https://appshunter.io/ios/app/callguard-spam-blocker/id6757877028)

This app blocks unwanted calls at the system level before your phone rings. You create custom blocking rules for exact numbers, ranges, or prefixes, with advanced features like visual range editing and overlap detection. Your contacts are always protected, and all data processing is local for maximum privacy.

**Highlights:** System-level call blocking, Customizable blocking rules, Visual range editor, Contact protection, Overlap detection, iCloud sync, Statistics dashboard

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

**In-app purchases:** none


### Nextcloud Calendar

[App page](https://appshunter.io/ios/app/nextcloud-calendar/id6766678698)

Manage your Nextcloud calendars with a simple mobile app. View, create, and organize events with real-time synchronization across multiple instances. Supports creating meetings with video conference links.

**Highlights:** Automatic calendar detection, View, create, and manage events, Real-time synchronization, Multi-account support, Create meetings with video conference links, Switch between multiple Nextcloud instances

**In-app purchases:** none


## Frequently asked questions

### Is CallGuard free?

CallGuard costs $4.99, with no in-app purchases.

### Is Nextcloud Calendar free?

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

### Do CallGuard or Nextcloud Calendar have ads?

Neither CallGuard nor Nextcloud Calendar shows ads.

### Which is updated more often, CallGuard or Nextcloud Calendar?

CallGuard ships an update every 9 days, and Nextcloud Calendar every 2 weeks. Most recently, CallGuard was updated on October 31, 2026 and Nextcloud Calendar 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.*