# Shift Worker vs Calendars

The clearest difference is price: Calendars at Free against Shift Worker's $1.99. Calendars also leads on rating (4.7 vs 3.7) and ratings volume (122K vs 103). Shift Worker's advantage is in-app purchases (none vs 20) and iOS requirement (15.6 vs 18.2). On update cadence, ads and chart position there is nothing between them.

Calendars is free to download; Shift Worker costs $1.99 up front. Calendars sells 18 in-app purchases, starting at $3.99 per month. Shift Worker asks for nothing beyond the download.

Calendars holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: Calendars has 122K ratings behind it against 103, so its average is the more settled of the two. Written reviews point the same way: 47% of Shift Worker's written reviews are positive against 55% of Calendars's.

Shift Worker ships an update weekly, Calendars every 11 days. Both last shipped on October 1, 2026.

## The numbers

| Metric | Shift Worker | Calendars |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [3.7 (103 ratings)](https://appshunter.io/ios/app/shift-worker/id352000376/reviews) | **[4.7 (122K ratings)](https://appshunter.io/ios/app/calendars-schedule-planner/id608834326/reviews)** |
| Number of ratings | 103 | **122K** |
| Positive reviews | 46.5% of reviews | **55.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 11 days |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | #157 | **#101** |
| Size | 8 MB | 408 MB |
| Requires iOS | **15.6** | 18.2 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Production Shed Pty Ltd](https://appshunter.io/developer/317720850) | [Readdle Technologies Limited](https://appshunter.io/developer/285035419) |

## What reviewers say

### Shift Worker

[App page](https://appshunter.io/ios/app/shift-worker/id352000376)

**Currently charting:** #157 Top Paid · Productivity (US App Store)

Easily enter and view your work schedule with custom shift types, icons, and colors. Quickly add entire months or years of shifts and share them with others. Save your schedule to your device's background for instant access.

**Highlights:** Custom shift types with icons and colors, Quick shift entry for months/years, Multiple calendar support, Share shifts with others, Save schedule to background, Personalized notes for dates, Timeline view

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

**In-app purchases:** none

**What reviewers like**

- 🌟 Excellent for shift workers
- 📅 Easy to organize schedules
- 🎨 Customizable icons and colors
- 🧭 Helpful for managing complex rotations
- 🤝 Useful for couples/families to align schedules

**What reviewers complain about**

- 🐛 Crashes when adding notes
- 📝 Limited note display
- 🔄 Lack of sync between devices
- 🗓️ Issues with iOS updates deleting data
- 🔍 Difficulty finding support

**Reported bugs**

- App crashes when trying to add notes
- Notes disappearing after iOS updates
- Calendar dates/days not displaying correctly
- Inability to export/import schedules

**Requested features**

- Add ability to view full notes
- Implement iCloud/calendar sync
- Allow multiple shift entries per day
- Add recurring note/reminder features
- Develop Apple Watch app integration


### Calendars

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

**Currently charting:** #101 Top Free · Productivity, #105 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


## Frequently asked questions

### Is Shift Worker free?

Shift Worker costs $1.99, with no in-app purchases.

### Is Calendars free?

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

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

Calendars is rated higher. Shift Worker averages 3.7 out of 5 from 103 ratings, while Calendars averages 4.7 from 122K ratings.

### Do Shift Worker or Calendars have ads?

Neither Shift Worker nor Calendars shows ads.

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

Shift Worker ships an update weekly, and Calendars every 11 days. Most recently, Shift Worker was updated on October 1, 2026 and Calendars on October 1, 2026.

### Which is more popular, Shift Worker or Calendars?

Shift Worker currently peaks at #157 in the App Store charts, and Calendars at #101. Chart position reflects recent download velocity rather than total install base.

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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.*