# Calcifon vs CalendarAlerts+

The clearest difference is price: Calcifon at Free against CalendarAlerts+'s $2.99. CalendarAlerts+'s advantage is in-app purchases (none vs 2). On rating, review sentiment, ratings volume and update cadence there is nothing between them.

Calcifon is free to download; CalendarAlerts+ costs $2.99 up front. Calcifon sells 2 in-app purchases, starting at $1.99 per month. CalendarAlerts+ asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Calcifon against 5.0 for CalendarAlerts+. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Calcifon ships an update every 2 months, CalendarAlerts+ every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Calcifon | CalendarAlerts+ |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/calcifon/id1641658581/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/calendaralerts-plus/id6503726985/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | **Freemium** | Paid |
| Size | 41 MB | 2 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KauriLab Inc.](https://appshunter.io/developer/530847194) | [Solutions That Are Practical, LLC](https://appshunter.io/developer/1750167195) |

## What reviewers say

### Calcifon

[App page](https://appshunter.io/ios/app/calcifon/id1641658581)

This multiplatform calendar app offers a simple and intuitive way to manage your schedule. It syncs with iOS and Google Calendars, allowing for easy event rescheduling and organization with color-coding. Premium features unlock additional views and customization options.

**Highlights:** Simple and intuitive interface, Drag & drop rescheduling, Color-coded events, Automatic sync with iOS and Google Calendar, Monthly & Daily schedule views (Premium), iPad and Mac app support (Premium), Customizable background image (Premium)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (1 month) | $1.99 | per month |
| Premium (1 year) | $19.99 | per year |


### CalendarAlerts+

[App page](https://appshunter.io/ios/app/calendaralerts-plus/id6503726985)

Enhance your default calendar experience with unlimited custom alerts for events and tasks. This app offers powerful tools for creating, managing, and syncing your schedule across all your iOS devices, ensuring you never miss an important moment.

**Highlights:** Unlimited custom alerts per event, Set alerts minutes, hours, or days before/after, Seamless integration with iOS Calendar, Create, delete, copy, and move calendar entries, Add and apply default alerts, Manage multiple calendars, iCloud sync across devices

**In-app purchases:** none


## Frequently asked questions

### Is Calcifon free?

Calcifon is free to download, with in-app purchases available.

### Is CalendarAlerts+ free?

CalendarAlerts+ costs $2.99, with no in-app purchases.

### Which has better reviews, Calcifon or CalendarAlerts+?

Calcifon and CalendarAlerts+ are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do Calcifon or CalendarAlerts+ have ads?

Neither Calcifon nor CalendarAlerts+ shows ads.

### Which is updated more often, Calcifon or CalendarAlerts+?

Calcifon ships an update every 2 months, and CalendarAlerts+ every 3 months. Most recently, Calcifon was updated on October 24, 2026 and CalendarAlerts+ on October 24, 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.*