# Shift4You vs ProCalendar

The clearest difference is in-app purchases: Shift4You at none against ProCalendar's 2. ProCalendar's advantage is ads (none vs shown) and update cadence (weekly vs fortnightly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ProCalendar sells 2 in-app purchases, starting at $2.99 per month. Shift4You asks for nothing beyond the download.

Shift4You ships an update fortnightly, ProCalendar weekly. Both last shipped on October 13, 2026.

## The numbers

| Metric | Shift4You | ProCalendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/shift4you/id6757280235/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 33 MB | 18 MB |
| Requires iOS | **26** | 26.3 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Omer ELMAS](https://appshunter.io/developer/1865752228) | [Salvatore Zagarella](https://appshunter.io/developer/1811193699) |

## What reviewers say

### Shift4You

[App page](https://appshunter.io/ios/app/shift4you/id6757280235)

Effortlessly manage your work schedule with customizable patterns and automatic calendar filling. View upcoming shifts on widgets, Lock Screen, and Dynamic Island. Plan holidays and track overtime with country-specific rules.

**Highlights:** Customizable shift patterns, Home and Lock Screen widgets, Dynamic Island integration, Holiday planning and leave tracking, Overtime and earnings calculation, Shift sharing with colleagues, Customizable reminders and alarms

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

**In-app purchases:** none


### ProCalendar

[App page](https://appshunter.io/ios/app/procalendar/id6764160715)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ProCalendar Premium mensuel | $2.99 | per month |
| ProCalendar Premium Monthly | $24.99 | per year |


## Frequently asked questions

### Is Shift4You free?

Shift4You is free to download, with no in-app purchases.

### Is ProCalendar free?

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

### Do Shift4You or ProCalendar have ads?

Shift4You shows ads; ProCalendar does not.

### Which is updated more often, Shift4You or ProCalendar?

Shift4You ships an update fortnightly, and ProCalendar weekly. Most recently, Shift4You was updated on October 13, 2026 and ProCalendar on October 13, 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.*