# Shift Box vs Shift Calendar

The clearest difference is in-app purchases: Shift Box at none against Shift Calendar's 2. Shift Box also leads on update cadence (every 5 days vs every 3 weeks). Shift Calendar's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

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

Shift Box ships an update every 5 days, Shift Calendar every 3 weeks. The most recent releases landed on October 10, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Shift Box | Shift Calendar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Size | 32 MB | 45 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [myungkyu namkung](https://appshunter.io/developer/1860735476) | [anil sancar](https://appshunter.io/developer/1896591475) |

## What reviewers say

### Shift Box

[App page](https://appshunter.io/ios/app/shift-box-shift-calendar/id6757806164)

**Features:** macOS Compatibility

**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 Shift Box free?

Shift Box 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 Shift Box or Shift Calendar have ads?

Shift Box shows ads; Shift Calendar does not.

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

Shift Box ships an update every 5 days, and Shift Calendar every 3 weeks. Most recently, Shift Box was updated on October 10, 2026 and Shift Calendar on October 2, 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.*