# Shift Calendar vs MSUES Directory

The clearest difference is price: MSUES Directory at Free against Shift Calendar's $1.99. Shift Calendar's advantage is update cadence (fortnightly vs every 7 months) and chart position (#188 vs unranked). On ads, in-app purchases and device support there is nothing between them.

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

Shift Calendar ships an update fortnightly, MSUES Directory every 7 months. The most recent releases landed on September 29, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Shift Calendar | MSUES Directory |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[2.3 (71 ratings)](https://appshunter.io/ios/app/shift-calendar/id355449249/reviews)** | — |
| Number of ratings | **71** | — |
| Positive reviews | 27.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 7 months |
| Monetization | Free | — |
| Best chart rank | **#188** | — |
| Size | 1 MB | 16 MB |
| Requires iOS | **8.4** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gil Estes](https://appshunter.io/developer/349882768) | [Mississippi State University Extension Service](https://appshunter.io/developer/580535523) |

## What reviewers say

### Shift Calendar

[App page](https://appshunter.io/ios/app/shift-calendar/id355449249)

**Currently charting:** #188 Top Paid · Utilities (US App Store)

A customizable shift calendar designed for firefighters, paramedics, and EMS workers. Easily track work and off days for important personal events, supporting various common shift patterns. Includes note-taking for each shift day.

**Highlights:** Customizable shift schedules, Supports 24/24, 24/48, 24/72 patterns, Supports 48x96 pattern, Alpha and Numeric shift naming, Notes for each shift day, Designed for firefighters and EMS

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use
- 🎨 Customizable shift colors
- ✅ Works for basic schedules
- 📝 Notes feature is great
- 🔄 Smoothly running after updates

**What reviewers complain about**

- 💸 Waste of money
- 🚫 Only allows certain schedules
- 📉 Outdated and not updated
- ❌ Incompatible with new iOS
- 😵 Confusing multiple apps

**Reported bugs**

- Download did not complete
- App keeps crashing
- App does not open
- App is inoperable after Apple update
- App crashes when opening date and adding notes

**Requested features**

- Accommodate 48/96 schedules
- Support for 4 on 4 off shifts
- Support for 5 days on, 4 days off schedules
- Support for split shifts (2x10hrs off 24 then 2x14hrs then off for 4 days)
- Add more shift variations


### MSUES Directory

[App page](https://appshunter.io/ios/app/msues-directory/id680692892)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Shift Calendar free?

Shift Calendar costs $1.99, with no in-app purchases.

### Is MSUES Directory free?

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

### Do Shift Calendar or MSUES Directory have ads?

Neither Shift Calendar nor MSUES Directory shows ads.

### Which is updated more often, Shift Calendar or MSUES Directory?

Shift Calendar ships an update fortnightly, and MSUES Directory every 7 months. Most recently, Shift Calendar was updated on September 29, 2026 and MSUES Directory on September 11, 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.*