# KuriShift vs Ulty

The clearest difference is in-app purchases: Ulty at none against KuriShift's 3. KuriShift's advantage is update cadence (every 2 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

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

KuriShift ships an update every 2 days, Ulty monthly. The most recent releases landed on September 11, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | KuriShift | Ulty |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Monthly |
| Size | 87 MB | 43 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KANAROOM STUDIO](https://appshunter.io/developer/1836682116) | [Sanghun Kong](https://appshunter.io/developer/1860301137) |

## 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 |


### Ulty

[App page](https://appshunter.io/ios/app/ulty-duty-calendar/id6756371021)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KuriShift free?

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

### Is Ulty free?

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

### Do KuriShift or Ulty have ads?

Neither KuriShift nor Ulty shows ads.

### Which is updated more often, KuriShift or Ulty?

KuriShift ships an update every 2 days, and Ulty monthly. Most recently, KuriShift was updated on September 11, 2026 and Ulty on September 15, 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.*