
When I Work
Deputy
ResourceGuru
Float
Ganttic
Shiftee
Bizimply
Sling is a free shift scheduling and communication software. It is built around four main features - shifts, messages, newsfeed and tasks, making it possible for managers to organize all aspects of their work on a single platform.

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Which is more popular?
Based on our record, Sling seems to be more popular. It has been mentioned 7 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | getsling.com | opalstack.com |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Sling is highly recommended for small to medium-sized businesses, especially those in retail, hospitality, or any sector where shift scheduling is integral. It is particularly useful for managers looking to streamline operations, enhance team communication, and improve overall staff management.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Sling TV 2020 Review | Is it still the best budget option?
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Sling and Opalstack. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Sling offers a wide variety of integrated tools — everything from scheduling, time tracking, and communication to employee documents, team task management, and labor cost control — to help you streamline your...
Sling’s scheduling abilities aren’t unlike many of the other apps on this list. However, one stand-out feature is the fact that it comes with an availability tracker. That way, you can ensure that you only schedule...
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Recommendations tracked on public social media and blogs since March 2021.


Using Sling (https://getsling.com/) for a distributed CS team. It's working pretty well. We're spread across six timezones, been using it for five months. Free version's done well enough for us. Source: about 4 years ago
If you want to try a free product, Sling scheduling app is good. You can google the reviews to see if that match your needs. Source: over 4 years ago
But I think you might want to look at some more dedicated scheduling software like Sling. Source: over 4 years ago
Tracking Opalstack since Sep 2023.
When comparing Sling and Opalstack, you can also consider the following products.

When I Work is an employee scheduling and communication app using the web, mobile apps, text messaging, social media, and email.
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Deputy is a software for employee scheduling, time and attendance and communication management.
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Resource management software that helps teams schedule with clarity, plan with flexibility, and deliver projects with confidence.
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The leading resource management software for agencies, studios, and firms. With a simple, drag and drop interface and powerful editing tools, Float saves you time and keeps projects on track.
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Ganttic is a flexible resource management platform for scheduling teams, equipment, vehicles and multiple projects simultaneously. Save time, eliminate double bookings, and increase efficiency.
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Shiftee streamlines the process of employee scheduling, time clock attendance to payroll by providing a solution to manage and help business
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