# Calendars vs HolyShift!

The clearest difference is price: Calendars at Free against HolyShift!'s $0.99. Calendars also leads on ratings volume (122K vs 2) and chart position (#133 vs unranked). HolyShift!'s advantage is review sentiment (100% vs 56%) and in-app purchases (none vs 20). On update cadence and ads there is nothing between them.

Calendars is free to download; HolyShift! costs $0.99 up front. Calendars sells 18 in-app purchases, starting at $3.99 per month. HolyShift! asks for nothing beyond the download.

HolyShift! holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Calendars has 122K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 56% of Calendars's written reviews are positive against 100% of HolyShift!'s.

Calendars ships an update weekly, HolyShift! every 2 weeks. The most recent releases landed on October 18, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Calendars | HolyShift! |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [4.7 (122K ratings)](https://appshunter.io/ios/app/calendars-schedule-planner/id608834326/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/holyshift/id1555310338/reviews)** |
| Number of ratings | **122K** | 2 |
| Positive reviews | 55.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | **#133** | — |
| Size | 411 MB | 3 MB |
| Requires iOS | 18.2 | **16.2** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Readdle Technologies Limited](https://appshunter.io/developer/285035419) | [Rocco Contini](https://appshunter.io/developer/1555310340) |

## What reviewers say

### Calendars

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

**Currently charting:** #133 Top Grossing · Productivity, #147 Top Free · 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


### HolyShift!

[App page](https://appshunter.io/ios/app/holyshift/id1555310338)

This app helps individuals with irregular work schedules manage their shifts. Easily log your work hours by tapping on days and selecting pre-set time slots, with instant synchronization to your phone's calendar. It also integrates with smart assistants to ensure you never miss a scheduled shift.

**Highlights:** Irregular schedule management, Pre-created time slot selection, Instant calendar sync, Smart assistant integration, Shift reminders

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calendars free?

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

### Is HolyShift! free?

HolyShift! costs $0.99, with no in-app purchases.

### Which has better reviews, Calendars or HolyShift!?

HolyShift! is rated higher. Calendars averages 4.7 out of 5 from 122K ratings, while HolyShift! averages 5.0 from 2 ratings.

### Do Calendars or HolyShift! have ads?

Neither Calendars nor HolyShift! shows ads.

### Which is updated more often, Calendars or HolyShift!?

Calendars ships an update weekly, and HolyShift! every 2 weeks. Most recently, Calendars was updated on October 18, 2026 and HolyShift! on June 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.*