# Calendars vs CMI PRET

The clearest difference is in-app purchases: CMI PRET at none against Calendars's 10. CMI PRET also leads on iOS requirement (15.1 vs 18.2). Calendars's advantage is chart position (#101 vs unranked) and device support (4 vs 2). On price, update cadence and ads there is nothing between them.

Both are free to download. Calendars sells 10 in-app purchases, starting at $3.99 per month. CMI PRET asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on November 10, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Calendars | CMI PRET |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (123K ratings)](https://appshunter.io/ios/app/calendars-schedule-planner/id608834326/reviews)** | — |
| Number of ratings | **123K** | — |
| Positive reviews | 56.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Freemium | — |
| Best chart rank | **#101** | — |
| Size | 413 MB | 54 MB |
| Requires iOS | 18.2 | **15.1** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Readdle Technologies Limited](https://appshunter.io/developer/285035419) | [Contingency Management Innovations, LLC.](https://appshunter.io/developer/1735573343) |

## What reviewers say

### Calendars

[App page](https://appshunter.io/ios/app/calendars-schedule-planner/id608834326)

**Currently charting:** #101 Top Free · Productivity, #113 Top Grossing · Productivity (US App Store)

This app combines calendar, task management, and habit tracking to boost productivity and organization. It offers seamless syncing across Apple devices and integrates with popular services like Google Calendar. Plan your day, manage tasks, and build routines with customizable views and features.

**Highlights:** Calendar and task management, Habit tracking and routine building, Cross-device syncing, Natural language event creation, Integration with Google Calendar and Zoom, Customizable views and widgets

**Features:** Family Sharing, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calendars PRO 1 Month | $3.99 | per month |
| Calendars by Readdle: Interesting Calendars | $3.99 | per year |
| Calendars PRO 1 Month | $3.99 | per month |
| Calendars PRO 1 Year | $19.99 | per year |
| Calendars PRO 1 Year | $19.99 | per year |
| Calendars PRO 1 Year | $21.99 | per year |
| Smart Input Upgrade | $1.99 | one-time |
| My schedule planner, Organizer | $6.99 | one-time |
| Full Pack | $12.99 | one-time |
| Recurring Events | $31.99 | one-time |

**What reviewers like**

- 🌟 Excellent calendar app
- 👍 Easy to use and organize
- 🎨 Helpful color-coding
- 📆 Seamless integration with other calendars
- 🗓️ Detailed monthly/weekly views

**What reviewers complain about**

- 🐛 Occasional glitches and data loss
- 💰 Concerns over subscription model
- 🕰️ Cumbersome date/time selection process
- 🔍 Limited location search functionality
- 🔄 Sync issues between devices

**Reported bugs**

- Disappearing events and appointments
- Upgrade process causing data loss
- Freezing and crashing on certain devices

**Requested features**

- Recurring events for free users
- Customizable widgets and app icons
- Ability to archive/restore past events
- Improved Apple Watch integration
- Shared calendars and family management


### CMI PRET

[App page](https://appshunter.io/ios/app/cmi-pret/id6754994825)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calendars free?

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

### Is CMI PRET free?

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

### Do Calendars or CMI PRET have ads?

Neither Calendars nor CMI PRET shows ads.

### Which is updated more often, Calendars or CMI PRET?

Calendars ships an update weekly, and CMI PRET weekly. Most recently, Calendars was updated on November 10, 2026 and CMI PRET on November 9, 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.*