# Shift4You vs Shift Calendar

The clearest difference is in-app purchases: Shift4You at none against Shift Calendar's 2. Shift Calendar's advantage is ads (none vs shown) and iOS requirement (16.4 vs 26.0). On price, update cadence and device support there is nothing between them.

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

Shift4You ships an update every 3 weeks, Shift Calendar monthly. The most recent releases landed on September 27, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Shift4You | Shift Calendar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 30 MB | 43 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Omer ELMAS](https://appshunter.io/developer/1865752228) | [anil sancar](https://appshunter.io/developer/1896591475) |

## What reviewers say

### Shift4You

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

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

**In-app purchases:** none


### Shift Calendar

[App page](https://appshunter.io/ios/app/shift-calendar-shift-cycle/id6797974018)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Pro | $24.99 | one-time |


## Frequently asked questions

### Is Shift4You free?

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

### Is Shift Calendar free?

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

### Do Shift4You or Shift Calendar have ads?

Shift4You shows ads; Shift Calendar does not.

### Which is updated more often, Shift4You or Shift Calendar?

Shift4You ships an update every 3 weeks, and Shift Calendar monthly. Most recently, Shift4You was updated on September 27, 2026 and Shift Calendar on September 14, 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.*