# Spark - Shift Calendar — Customize, Organize, Plan Life

> Customizable shift calendar app for organizing work and personal life. (iPhone/iPad app by E.L.K. Equities LLC.)

- Source: https://appshunter.io/ios/app/spark-shift-calendar/id390915382 (this page in markdown: same URL + `.md`)
- Developer: [E.L.K. Equities LLC](https://appshunter.io/developer/1775442602)
- Category: Productivity, Lifestyle
- Price: Free with in-app purchases
- Rating: 4.77/5 from 7,483 App Store ratings · 157 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.6 · 14 MB
- Languages: English
- Released: 2010-09-13
- Data updated: 2026-09-01
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/spark-shift-calendar/id390915382/reviews.md

## What is Spark?

Spark: Your Ultimate Shift Calendar App

For over 15 years, Spark has been the go-to app for simplifying shift work. Loaded with powerful, user-friendly features, Spark helps you balance work and personal life in one place—trusted daily by fire, police, EMS, healthcare professionals, and shift workers worldwide. With Spark’s unique "Cloud Connect" system, you can sync and share your schedule across all devices, keeping you and your loved ones in the loop anytime, anywhere.

Why Spark? Here’s why your colleagues love it:

Full Customization
Spark is designed for you. Track and log anything you need—vacation, sick time, comp time, overtime, trades, and more. Can’t find something? Add it with ease! Spark’s sleek, intuitive design lets you personalize everything to suit your work style.

Secure & Reliable
Your data is safe with us. Spark’s "Cloud Connect" syncs your encrypted calendar across devices, linked to your email. Lose or upgrade your phone? Just log back in, and it’s like you never left.

Comprehensive Shift Coverage
From pre-loaded schedules to custom department setups, Spark supports thousands of shift calendars. Don’t see yours? Easily create it, and it’s saved for you and your team.

Streamlined Shift Trades & Swaps
Manage and track all your trades and swaps down to the individual. Spark’s “Trade Board” lets you request and confirm trades within the app, automatically updating your calendar and stats—no extra steps.

Instant Visual Cues
Color-code shifts, events, and stats for at-a-glance planning. With Spark, you’ll know exactly what’s on the agenda without extra clicks.

Unmatched Customer Support
Our app thrives on user feedback. We’re committed to fast, helpful support, with most emails resolved in under two hours. Spark evolves with your input, making it the app you can rely on for years to come.

Try Spark free for 30 days, and experience the app that’s helping shift workers around the world stay organized. Visit www.LeakyNozzle.com to learn more!

## Key features

- Full shift customization
- Secure cloud sync
- Streamlined shift trades
- Instant visual cues
- Comprehensive shift coverage
- User-friendly interface

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Initial Annual Subscription | $5.99 | one-time |
| Annual Subscription Renewal | $0.99 | one-time |


## What do users think of Spark?

Overall sentiment: positive

**Pros**

- 🚀 Excellent calendar app
- 👍 Easy to use and set up
- 🔒 Secure and reliable
- 💡 Customizable and feature-rich
- 👍 Great for shift work and emergency services
- 🚀 Syncs well across devices
- 👍 Helpful customer service

**Cons**

- 🐛 Occasional crashes and bugs
- 💰 Subscription model and pricing issues
- 🔧 Needs more frequent updates
- 🔧 Compatibility issues with newer devices
- 🔧 Lack of certain features (e.g., widgets, dark mode)

**Commonly reported bugs**

- Login and authentication problems
- Data loss and sync issues after updates
- Unreliable performance on some devices

**Most requested features**

- Ability to sync with more calendar services
- More customization options
- Improved user interface and design
- Ability to view past schedules and events

## Recent user reviews (10 of 157)

All indexed reviews: https://appshunter.io/ios/app/spark-shift-calendar/id390915382/reviews.md

### 5/5 — App issue

*2026-06-17, version 4.3.2*

I was contacted by Matt after my issue with the app and he promptly solved it. Thank you for the help.

### 5/5 — Good

*2026-06-12, version 4.3.1*

Great app

### 5/5 — Amazing

*2026-06-08, version 4.3.1*

This Application keeps me organized and on time.!

### 5/5 — Best shift calendar

*2026-06-03, version 4.3.1*

For shift workers this is absolutely the best calendar ever. Been using it all for 10 years now for my 48/96 schedule. Completely customizable to fit your needs and keeps up with trades. Will probably use this even after I retire!

### 5/5 — Great App

*2026-06-02, version 4.3.1*

This is my “go-to” calendar!

### 5/5 — Sparks

*2026-06-02, version 4.3.1*

Greatest app highly recommend it

### 5/5 — !

*2026-06-01, version 4.3.1*

!

### 5/5 — Fireman

*2026-05-27, version 4.3.1*

Great App

### 5/5 — Good

*2026-05-26, version 4.3.1*

It works well, but they keep asking me to write a review every other day. So hopefully me writing this review will stop them from asking me to write a review.

### 5/5 — Great! But stop asking everyday

*2026-05-26, version 4.3.1*

Again! Love the app but quit asking me to love you…

## Frequently asked questions about Spark

### What does the Spark - Shift Calendar app do?

Spark is a shift calendar app designed to help shift workers organize their work and personal lives. It allows users to track various types of shifts, log time off, manage shift trades, and plan their schedules with visual cues. The app aims to simplify the complexities of shift work for professionals in fields like emergency services and healthcare.

### What are the key features of Spark - Shift Calendar?

Key features include full customization for tracking any type of shift or time off, secure cloud syncing across devices via 'Cloud Connect', streamlined shift trading and swapping through a 'Trade Board', and instant visual cues with color-coding for easy planning. It also offers comprehensive shift coverage for thousands of schedules and unmatched customer support.

### How much does Spark - Shift Calendar cost?

The app offers a free 30-day trial period for users to experience its features. After the trial, it operates on a model that includes in-app purchases, suggesting that while some core functionality might be free, advanced features or continued use may require payment.

### Who is Spark - Shift Calendar for?

This app is primarily for shift workers worldwide, including those in critical professions such as fire, police, EMS, and healthcare. It is also beneficial for any individual who works non-traditional hours and needs a reliable way to manage their complex work schedule and personal commitments.

### How does the cloud sync feature work?

Spark's 'Cloud Connect' system securely syncs your encrypted calendar across all your devices. This ensures that your schedule is always up-to-date and accessible, no matter which device you are using. It also provides peace of mind, as your data is backed up and can be easily restored if you lose or upgrade your phone.

## Version history (last 5 releases)

### 4.3.2 — 2026-06-17

Fixed issues and improved app performance.

### 4.3.1 — 2025-10-20

Fixing some calendar issues on iOS 26.

### 4.3.0 — 2025-10-15

Support for iOS 26

### 4.2.5 — 2024-11-12

Fix for Set Hours field

### 4.2.4 — 2024-11-08

We've fixed the connection issues with Cloud Connect for some users.

## Apps similar to Spark

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Calendars: Schedule Planner](https://appshunter.io/ios/app/calendars-schedule-planner/id608834326) | 4.7 (121,097) | Free | Productivity |
| [Supershift - Shift Calendar](https://appshunter.io/ios/app/supershift-shift-calendar/id1104165041) | 4.9 (5,247) | Free | Productivity |
| [My Shift Planner - Calendar](https://appshunter.io/ios/app/my-shift-planner-calendar/id645662133) | 4.8 (3,433) | Free | Productivity |
| [Simple Calendar: ToDo Planner](https://appshunter.io/ios/app/simple-calendar-todo-planner/id1422994973) | 4.6 (6,358) | Free | Productivity |
| [Shift Day Work Calendar: Spoke](https://appshunter.io/ios/app/shift-day-work-calendar-spoke/id1016565262) | 4.7 (14,346) | Free | Productivity |
| [WorkTime: Shift Work Calendar](https://appshunter.io/ios/app/worktime-shift-work-calendar/id1003684086) | 4.4 (4,665) | Free | Productivity |

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-01.*