# KuriShift vs Shift Box

The clearest difference is in-app purchases: Shift Box at none against KuriShift's 3. KuriShift's advantage is ads (none vs shown) and iOS requirement (15.6 vs 17.6). On price, update cadence and device support there is nothing between them.

Both are free to download. KuriShift sells 3 in-app purchases, starting at $0.49 per month. Shift Box asks for nothing beyond the download.

KuriShift ships an update every 4 days, Shift Box every 5 days. The most recent releases landed on September 30, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | KuriShift | Shift Box |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 5 days |
| Size | 94 MB | 32 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KANAROOM STUDIO](https://appshunter.io/developer/1836682116) | [myungkyu namkung](https://appshunter.io/developer/1860735476) |

## What reviewers say

### KuriShift

[App page](https://appshunter.io/ios/app/kurishift-shift-calendar/id6751761882)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free | $0.49 | per month |
| Premium (Monthly) | $1.99 | per month |
| Premium (Yearly) | $19.99 | per year |


### Shift Box

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KuriShift free?

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

### Is Shift Box free?

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

### Do KuriShift or Shift Box have ads?

Shift Box shows ads; KuriShift does not.

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

KuriShift ships an update every 4 days, and Shift Box every 5 days. Most recently, KuriShift was updated on September 30, 2026 and Shift Box on October 10, 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.*