# ShiftCal Shift Work Calendar vs TimerFlow

The clearest difference is ads: TimerFlow at none against ShiftCal Shift Work Calendar's shown. TimerFlow also leads on iOS requirement (13.0 vs 16.4). ShiftCal Shift Work Calendar's advantage is update cadence (every 5 days vs every 6 weeks). On price, in-app purchases and device support 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 and TimerFlow sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ShiftCal Shift Work Calendar ships an update every 5 days, TimerFlow every 6 weeks. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ShiftCal Shift Work Calendar | TimerFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 6 weeks |
| Size | 112 MB | 67 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pablo Almancio](https://appshunter.io/developer/1859498121) | [Oleksandr Martynin](https://appshunter.io/developer/1895492374) |

## 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 |


### TimerFlow

[App page](https://appshunter.io/ios/app/timerflow-focus-timer/id6763794670)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TimerFlow Pro Monthly | $2.99 | per month |
| TimerFlow Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is ShiftCal Shift Work Calendar free?

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

### Is TimerFlow free?

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

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

ShiftCal Shift Work Calendar shows ads; TimerFlow does not.

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

ShiftCal Shift Work Calendar ships an update every 5 days, and TimerFlow every 6 weeks. Most recently, ShiftCal Shift Work Calendar was updated on October 28, 2026 and TimerFlow 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.*