# Buk vs Shift Work Calendar

The clearest difference is in-app purchases: Buk at none against Shift Work Calendar's 4. Buk also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Shift Work Calendar sells 4 one-off in-app purchases. Buk asks for nothing beyond the download.

Buk ships an update weekly, Shift Work Calendar every 9 days. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Buk | Shift Work Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (55 ratings)](https://appshunter.io/ios/app/buk/id1525816308/reviews)** | — |
| Number of ratings | **55** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | Free | — |
| Size | 40 MB | 134 MB |
| Requires iOS | 15.4 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Buk](https://appshunter.io/developer/1525816310) | [Salomo Interiors S.L.](https://appshunter.io/developer/1688530007) |

## What reviewers say

### Buk

[App page](https://appshunter.io/ios/app/buk/id1525816308)

Manage all your HR needs in one place, from payroll to professional development. Optimize requests and quickly access your work history, contracts, and company documents from any device.

**Highlights:** Payroll management, Professional development tracking, Access work history, Contract management, Company document access, Mobile access

**Features:** Vision Pro support

**In-app purchases:** none


### Shift Work Calendar

[App page](https://appshunter.io/ios/app/shift-work-calendar-simple/id6751168161)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Premium | $1.99 | one-time |
| Unlock All | $1.99 | one-time |
| Unlock All + Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Buk free?

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

### Is Shift Work Calendar free?

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

### Do Buk or Shift Work Calendar have ads?

Shift Work Calendar shows ads; Buk does not.

### Which is updated more often, Buk or Shift Work Calendar?

Buk ships an update weekly, and Shift Work Calendar every 9 days. Most recently, Buk was updated on October 10, 2026 and Shift Work Calendar on October 12, 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.*