# Shift Work Calendar vs Sam Mail

The clearest difference is in-app purchases: Sam Mail at none against Shift Work Calendar's 2. Sam Mail also leads on iOS requirement (15.0 vs 26.0). Shift Work Calendar's advantage is update cadence (every 2 days vs every 5 days). On price, ads and device support there is nothing between them.

Both are free to download. Shift Work Calendar sells 2 in-app purchases, starting at $1.49 per month. Sam Mail asks for nothing beyond the download.

Shift Work Calendar ships an update every 2 days, Sam Mail every 5 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Shift Work Calendar | Sam Mail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/shift-work-calendar-zam/id6504942438/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 days |
| Monetization | Subscription | — |
| Size | 46 MB | 42 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [COMPANY DAMA CODE FOR INFORMATION TECHNOLOGY (ONE PARTNER)](https://appshunter.io/developer/1754205230) | [Sam Mail Company](https://appshunter.io/developer/1896552574) |

## What reviewers say

### Shift Work Calendar

[App page](https://appshunter.io/ios/app/shift-work-calendar-zam/id6504942438)

Manage your work schedule, track overtime hours, and organize personal events with this comprehensive calendar app. It automatically logs extra hours based on labor laws and offers flexible views for planning. Personal events are stored securely on your device.

**Highlights:** Shift work schedule management, Automatic overtime tracking, Personal event organization, National holiday display, Multiple calendar views, Flexible shift swapping

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.49 | per month |
| Yearly | $9.99 | per year |


### Sam Mail

[App page](https://appshunter.io/ios/app/sam-mail/id6768237768)

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

**In-app purchases:** none


## Frequently asked questions

### Is Shift Work Calendar free?

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

### Is Sam Mail free?

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

### Do Shift Work Calendar or Sam Mail have ads?

Neither Shift Work Calendar nor Sam Mail shows ads.

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

Shift Work Calendar ships an update every 2 days, and Sam Mail every 5 days. Most recently, Shift Work Calendar was updated on October 24, 2026 and Sam Mail on October 24, 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.*