# Spark vs WorkTime

The clearest difference is rating: Spark at 4.8 against WorkTime's 4.4. Spark also leads on review sentiment (75% vs 59%). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Spark sells 2 one-off in-app purchases and WorkTime sells 7 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Spark holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 7.5K and 4.7K respectively. Written reviews point the same way: 75% of Spark's written reviews are positive against 59% of WorkTime's.

Spark ships an update every 5 weeks, WorkTime every 3 weeks. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Spark | WorkTime |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (7.5K ratings)](https://appshunter.io/ios/app/spark-shift-calendar/id390915382/reviews)** | [4.4 (4.7K ratings)](https://appshunter.io/ios/app/worktime-shift-work-calendar/id1003684086/reviews) |
| Number of ratings | **7.5K** | 4.7K |
| Positive reviews | **74.8% of reviews** | 58.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 10 MB | 59 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [E.L.K. Equities LLC](https://appshunter.io/developer/1775442602) | [Toto Ventures Inc.](https://appshunter.io/developer/570129172) |

## What reviewers say

### Spark

[App page](https://appshunter.io/ios/app/spark-shift-calendar/id390915382)

This app simplifies shift work for professionals like first responders and healthcare workers. It offers full customization, secure cloud syncing, and streamlined shift trading. Plan your life and stay organized with instant visual cues and reliable support.

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

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

**In-app purchases (2)**

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

**What reviewers like**

- 🚀 Excellent calendar app
- 👍 Easy to use and set up
- 🔒 Secure and reliable
- 💡 Customizable and feature-rich
- 👍 Great for shift work and emergency services

**What reviewers complain about**

- 🐛 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)

**Reported bugs**

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

**Requested features**

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


### WorkTime

[App page](https://appshunter.io/ios/app/worktime-shift-work-calendar/id1003684086)

Easily track your work shifts and hours with this intuitive calendar app. Designed for shift workers, it allows quick entry, schedule visualization, and helpful reminders. Premium features include advanced hour tracking and calendar syncing.

**Highlights:** Shift calendar visualization, Quick shift entry, Shift reminders, Hours and wages tracking, Schedule sharing, Sync to phone calendar

**Features:** Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Wk WorkTime Shift Scheduler | $3.99 | per 7 days |
| WorkTime Pro: One Week | $3.99 | per 7 days |
| 1 Month WorkTime Shift Manager | $8.99 | per month |
| 6 Month WorkTime Shift Worker | $29.99 | per 6 months |
| WorkTime Pro Annual Subscription | $39.99 | per year |
| 1 Year WorkTime Job Calendar | $49.99 | per year |
| Work Calendar & Shift Schedule | $3.99 | one-time |

**What reviewers like**

- 🚀 Simple and easy to use
- 👍 Helpful for organizing shifts and schedules
- 💰 Calculates earnings and pay
- 📆 Convenient calendar view

**What reviewers complain about**

- 🔒 Requires subscription for full functionality
- 💰 Subscription cost is too high
- 🐛 Bugs and glitches after updates
- 🔄 Difficulty restoring purchases

**Reported bugs**

- Shifts/data randomly disappearing after updates
- Inability to restore pro subscription
- Calendar view freezing and becoming unresponsive

**Requested features**

- Add weekend/holiday pay rates
- Ability to sync with other calendars
- Option to customize font size and layout
- Implement a search/filter feature


## Frequently asked questions

### Is Spark free?

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

### Is WorkTime free?

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

### Which has better reviews, Spark or WorkTime?

Spark is rated higher. Spark averages 4.8 out of 5 from 7.5K ratings, while WorkTime averages 4.4 from 4.7K ratings.

### Do Spark or WorkTime have ads?

Neither Spark nor WorkTime shows ads.

### Which is updated more often, Spark or WorkTime?

Spark ships an update every 5 weeks, and WorkTime every 3 weeks. Most recently, Spark was updated on October 14, 2026 and WorkTime on October 16, 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.*