# EMS Compcal App vs Shield Shift Tracker

The clearest difference is in-app purchases: EMS Compcal App at none against Shield Shift Tracker's 1. EMS Compcal App also leads on iOS requirement (15.6 vs 17.0). Shield Shift Tracker's advantage is ads (none vs shown) and update cadence (every 2 days vs every 2 months). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. Shield Shift Tracker sells 1 one-off in-app purchase. EMS Compcal App asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for EMS Compcal App against 5.0 for Shield Shift Tracker. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

EMS Compcal App ships an update every 2 months, Shield Shift Tracker every 2 days. The most recent releases landed on September 26, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | EMS Compcal App | Shield Shift Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/ems-compcal-app/id1574539517/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/shield-shift-tracker/id6755852365/reviews) |
| Number of ratings | 2 | 2 |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 85 MB | 8 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [allan reich](https://appshunter.io/developer/1574539520) | [Corey Gillespie](https://appshunter.io/developer/1796727084) |

## What reviewers say

### EMS Compcal App

[App page](https://appshunter.io/ios/app/ems-compcal-app/id1574539517)

Manage EMS platoon schedules, update leave requests, and coordinate mutual on/off shifts. This app also provides assistance with filing workers' compensation claims.

**Highlights:** Platoon calendar management, Leave request updates, Mutual On/Off scheduling, Workers' compensation claim help, Comprehensive EMS utility

**Features:** macOS Compatibility

**In-app purchases:** none


### Shield Shift Tracker

[App page](https://appshunter.io/ios/app/shield-shift-tracker/id6755852365)

Manage your demanding work schedule with a dedicated shift calendar. Track overtime, log shift trades, and visualize your entire rotation at a glance. Ideal for first responders with complex schedules.

**Highlights:** Customizable shift calendar, Overtime tracking, Shift trade logging, Monthly and weekly schedule views, Color-coded day types, Calendar export

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | one-time |


## Frequently asked questions

### Is EMS Compcal App free?

EMS Compcal App is free to download, with no in-app purchases.

### Is Shield Shift Tracker free?

Shield Shift Tracker is free to download, with in-app purchases available.

### Which has better reviews, EMS Compcal App or Shield Shift Tracker?

EMS Compcal App and Shield Shift Tracker are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do EMS Compcal App or Shield Shift Tracker have ads?

EMS Compcal App shows ads; Shield Shift Tracker does not.

### Which is updated more often, EMS Compcal App or Shield Shift Tracker?

EMS Compcal App ships an update every 2 months, and Shield Shift Tracker every 2 days. Most recently, EMS Compcal App was updated on September 26, 2026 and Shield Shift Tracker on September 27, 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.*