# Calendars vs Fire Shift Calendar

Calendars and Fire Shift Calendar both sit at 4.7 stars, but that hides the real split: 55% of Calendars's written reviews are positive against 0% of Fire Shift Calendar's. Calendars also leads on ads (none vs shown) and ratings volume (122K vs 16). On price, rating, update cadence 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 Fire Shift Calendar sells 8 in-app purchases, starting at $1.99 per month. 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 4.8 for Fire Shift Calendar. That said, the two scores are not equally well evidenced: Calendars has 122K ratings behind it against 16, 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 0% of Fire Shift Calendar's.

Calendars ships an update every 11 days, Fire Shift Calendar fortnightly. The most recent releases landed on September 25, 2026 and June 3, 2026 respectively.

## The numbers

| Metric | Calendars | Fire Shift Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (122K ratings)](https://appshunter.io/ios/app/calendars-schedule-planner/id608834326/reviews) | **[4.8 (16 ratings)](https://appshunter.io/ios/app/fire-shift-calendar/id1559443433/reviews)** |
| Number of ratings | **122K** | 16 |
| Positive reviews | **55.4% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 11 days** | Fortnightly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#107** | — |
| Size | 407 MB | 219 MB |
| Requires iOS | **18.2** | 26.0 |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Readdle Technologies Limited](https://appshunter.io/developer/285035419) | [Ayodeji Shoola](https://appshunter.io/developer/1559443435) |

## What reviewers say

### Calendars

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

**Currently charting:** #107 Top Free · Productivity, #119 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


### Fire Shift Calendar

[App page](https://appshunter.io/ios/app/fire-shift-calendar/id1559443433)

This app simplifies complex work schedules for shift workers. It offers custom shift patterns, automatic time tracking for benefits and overtime, and cross-device synchronization. Designed for professionals in emergency services, healthcare, and other industries with non-traditional hours.

**Highlights:** Custom shift pattern creation, Repeating rotation application, Color-coded shifts, Vacation, sick, and overtime tracking, Automatic accrual calculations, Cross-device synchronization, Calendar integration

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| All Access | $2.99 | per month |
| Monthly | $3.99 | per month |
| All Access | $3.99 | per month |
| Yearly | $19.99 | per year |
| All Access | $29.99 | per year |
| Yearly | $39.99 | per year |
| All Access | $39.99 | per year |


## Frequently asked questions

### Is Calendars free?

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

### Is Fire Shift Calendar free?

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

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

Fire Shift Calendar is rated higher. Calendars averages 4.7 out of 5 from 122K ratings, while Fire Shift Calendar averages 4.8 from 16 ratings.

### Do Calendars or Fire Shift Calendar have ads?

Fire Shift Calendar shows ads; Calendars does not.

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

Calendars ships an update every 11 days, and Fire Shift Calendar fortnightly. Most recently, Calendars was updated on September 25, 2026 and Fire Shift Calendar on June 3, 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.*