# ShiftCal Shift Work Calendar vs Gradzyl

The clearest difference is in-app purchases: Gradzyl at none against ShiftCal Shift Work Calendar's 3. Gradzyl 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. ShiftCal Shift Work Calendar sells 3 in-app purchases, starting at $2.99 per month. Gradzyl asks for nothing beyond the download.

ShiftCal Shift Work Calendar ships an update every 5 days, Gradzyl every 9 days. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | ShiftCal Shift Work Calendar | Gradzyl |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 9 days |
| Size | 112 MB | 47 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pablo Almancio](https://appshunter.io/developer/1859498121) | [Gradzyl Ltd](https://appshunter.io/developer/1890447077) |

## What reviewers say

### ShiftCal Shift Work Calendar

[App page](https://appshunter.io/ios/app/shiftcal-shift-work-calendar/id6757965010)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ShiftCal PRO Monthly | $2.99 | per month |
| ShiftCal PRO Annual | $11.99 | per year |
| ShiftCal PRO Lifetime | $39.99 | one-time |


### Gradzyl

[App page](https://appshunter.io/ios/app/gradzyl/id6761612655)

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

**In-app purchases:** none


## Frequently asked questions

### Is ShiftCal Shift Work Calendar free?

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

### Is Gradzyl free?

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

### Do ShiftCal Shift Work Calendar or Gradzyl have ads?

ShiftCal Shift Work Calendar shows ads; Gradzyl does not.

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

ShiftCal Shift Work Calendar ships an update every 5 days, and Gradzyl every 9 days. Most recently, ShiftCal Shift Work Calendar was updated on October 12, 2026 and Gradzyl on October 3, 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.*