# ShiftCal® vs Flexi Calendar

The clearest difference is price: Flexi Calendar at Free against ShiftCal®'s $1.99. Flexi Calendar also leads on rating (5.0 vs 1.0) and update cadence (daily vs every 4 months). ShiftCal®'s advantage is iOS requirement (11.0 vs 16.4). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Flexi Calendar is free to download; ShiftCal® costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Flexi Calendar holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 5 respectively.

ShiftCal® ships an update every 4 months, Flexi Calendar daily. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | ShiftCal® | Flexi Calendar |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/shiftcal-the-ff-calendar/id1046906589/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/flexi-calendar/id6475564896/reviews)** |
| Number of ratings | 2 | **5** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Daily** |
| Monetization | Paid | **Free** |
| Size | 20 MB | 21 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Wesley Erickson](https://appshunter.io/developer/710639944) | [Richard Lavey](https://appshunter.io/developer/1724298642) |

## What reviewers say

### ShiftCal®

[App page](https://appshunter.io/ios/app/shiftcal-the-ff-calendar/id1046906589)

This app helps emergency service personnel manage complex 24-hour shift schedules. It supports multiple platoons and allows for easy customization of various shift patterns, including Kelly days and RDOs. Users can create and switch between different schedules for personal or professional use.

**Highlights:** Platoon-based 24-hour shift scheduling, Customizable for 2-6 platoons, Supports .ini shift schedule files, Create and switch multiple schedules, Display Kelly days, RDOs, debit days, Paste from clipboard for quick schedule creation

**Features:** macOS Compatibility

**In-app purchases:** none


### Flexi Calendar

[App page](https://appshunter.io/ios/app/flexi-calendar/id6475564896)

Manage complex and rotating work schedules with ease. This app is designed for individuals with non-traditional weekly routines, allowing for custom schedule creation and sharing. Sync with your device's calendar and find common availability with friends.

**Highlights:** Customizable rotating schedules, Support for non-traditional workweeks, Schedule comparison with friends, Export to Apple Calendar, Find mutual availability, Ideal for shift workers

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

**In-app purchases:** none


## Frequently asked questions

### Is ShiftCal® free?

ShiftCal® costs $1.99, with no in-app purchases.

### Is Flexi Calendar free?

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

### Which has better reviews, ShiftCal® or Flexi Calendar?

Flexi Calendar is rated higher. ShiftCal® averages 1.0 out of 5 from 2 ratings, while Flexi Calendar averages 5.0 from 5 ratings.

### Do ShiftCal® or Flexi Calendar have ads?

Neither ShiftCal® nor Flexi Calendar shows ads.

### Which is updated more often, ShiftCal® or Flexi Calendar?

ShiftCal® ships an update every 4 months, and Flexi Calendar daily. Most recently, ShiftCal® was updated on November 2, 2026 and Flexi Calendar on November 4, 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.*