# Calendars vs Shift Calendar

Calendars and Shift Calendar both sit at 4.7 stars, but that hides the real split: 88% of Shift Calendar's written reviews are positive against 55% of Calendars's. Shift Calendar also leads on update cadence (every 5 days vs every 11 days). Calendars's advantage is ratings volume (122K vs 3) and chart position (#103 vs unranked). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Calendars sells 18 in-app purchases, starting at $3.99 per month and Shift Calendar sells 10 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Calendars against 4.7 for Shift Calendar. That said, the two scores are not equally well evidenced: Calendars has 122K ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 55% of Calendars's written reviews are positive against 88% of Shift Calendar's.

Calendars ships an update every 11 days, Shift Calendar every 5 days. The most recent releases landed on September 25, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | Calendars | Shift Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (122K ratings)](https://appshunter.io/ios/app/calendars-schedule-planner/id608834326/reviews) | [4.7 (3 ratings)](https://appshunter.io/ios/app/shift-calendar-shiftpro/id6736994383/reviews) |
| Number of ratings | **122K** | 3 |
| Positive reviews | 55.4% of reviews | **87.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#103** | — |
| Size | 407 MB | 165 MB |
| Requires iOS | 18.2 | **17.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Readdle Technologies Limited](https://appshunter.io/developer/285035419) | [Andrea Agostino Cataldo](https://appshunter.io/developer/1774275152) |

## What reviewers say

### Calendars

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

**Currently charting:** #103 Top Free · Productivity, #110 Top Grossing · Productivity (US App Store)

This app combines a calendar, task manager, daily planner, and habit tracker. It helps users plan their day, build habits, boost productivity, and stay organized with seamless syncing across all Apple devices. Features include event creation, to-do list management, natural language input, and integration with popular meeting platforms.

**Highlights:** Calendar, task, and habit management, Daily, weekly, and monthly views, Natural language event creation, To-do list organization, Cross-device syncing, Meeting platform integration

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

**In-app purchases (18)**

| 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 | $19.99 | per year |
| Calendars PRO 1 Year | $19.99 | per year |
| Calendars PRO 1 Year | $21.99 | per year |
| Calendars PRO 1 Year | $29.99 | per year |
| Calendars PRO Lifetime | Free | one-time |
| Invites & Attendees Upgrade | $1.99 | one-time |
| Smart Input Upgrade | $1.99 | one-time |
| Full Upgrade | $4.99 | one-time |
| Interesting Calendars | $5.99 | one-time |
| My schedule planner, Organizer | $6.99 | one-time |
| Full Pack | $12.99 | one-time |
| Reminders & Calendars | $19.99 | 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


### Shift Calendar

[App page](https://appshunter.io/ios/app/shift-calendar-shiftpro/id6736994383)

Organize your work schedule with a customizable calendar designed for shift workers. Track absences, monitor work hours with detailed statistics, and generate exportable reports. Features a dark mode for comfortable viewing.

**Highlights:** Customized shift scheduling, Complete absence management, Advanced reporting, Exportable reports, Dark mode

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.99 | per 7 days |
| Monthly | $1.99 | per month |
| Weekly | $1.99 | per 7 days |
| Monthly | $3.99 | per month |
| Monthly | $3.99 | per month |
| Annual | $12.99 | per year |
| Annual | $19.99 | per year |
| Annual | $19.99 | per year |
| Annual | $19.99 | per year |
| Annual | $24.99 | per year |

**What reviewers like**

- 👍 User-friendly interface
- 🚀 Efficient shift planning
- 📊 Detailed reporting
- 🎨 Customizable calendar
- 💻 Intuitive and easy to use

**What reviewers complain about**

- 🔧 Limited category customization

**Requested features**

- Widget support
- Larger font size for exports


## Frequently asked questions

### Is Calendars free?

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

### Is Shift Calendar free?

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

### Which has better reviews, Calendars or Shift Calendar?

Calendars and Shift Calendar are both rated 4.7 out of 5 on the App Store, from 122K and 3 ratings respectively.

### Do Calendars or Shift Calendar have ads?

Neither Calendars nor Shift Calendar shows ads.

### Which is updated more often, Calendars or Shift Calendar?

Calendars ships an update every 11 days, and Shift Calendar every 5 days. Most recently, Calendars was updated on September 25, 2026 and Shift Calendar on September 5, 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.*