# Ulty vs Shift Box

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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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

## The numbers

| Metric | Ulty | Shift Box |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 5 days** |
| Size | 59 MB | 32 MB |
| Requires iOS | **16.4** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Sanghun Kong](https://appshunter.io/developer/1860301137) | [myungkyu namkung](https://appshunter.io/developer/1860735476) |

## What reviewers say

### Ulty

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

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

**In-app purchases:** none


### 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 Ulty free?

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

### Is Shift Box free?

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

### Do Ulty or Shift Box have ads?

Shift Box shows ads; Ulty does not.

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

Ulty ships an update monthly, and Shift Box every 5 days. Most recently, Ulty was updated on October 2, 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.*