WhenToWork vs Sling

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Our analysts compared WhenToWork vs Sling based on data from our 400+ point analysis of Employee Scheduling Software, user reviews and our own crowdsourced data from our free software selection platform.

WhenToWork Software Tool

Product Basics

WhenToWork is a cloud-based solution that helps businesses create and manage schedules for hourly workers. It offers a free mobile app that supports time tracking, allowing employees to punch in and out of work remotely.

The platform’s standout feature is its one-click scheduling that uses a proprietary algorithm to generate optimal shift schedules, minimizing conflicts and reducing human error. With just a few clicks, you can create efficient work plans that ensure your team is adequately staffed at all times.

Employees can easily input their preferred, disliked and unavailable work times, allowing managers to make informed decisions when creating schedules. This feature enhances employee satisfaction and minimizes scheduling conflicts by ensuring that employees are working shifts that align with their availability and preferences.

This platform lets you prioritize clear communication and accountability within your team. It automatically sends notifications to employees when their shifts are created or updated, ensuring everyone stays informed. This enhances employee engagement and reduces the risk of missed shifts.

WhenToWork offers a 30-day trial period, allowing you to test the platform’s suitability for your scheduling needs. Its paid plans start from $38 per month, with pricing based on the number of employees and the subscription duration. Unlike other platforms, it doesn’t offer tiered plans based on features — every plan includes the full toolkit.

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Sling is a cloud-native tool for streamlining employee scheduling for businesses of all sizes. It offers a user-friendly drag-and-drop interface, allowing managers to build and modify schedules with ease. Pre-built templates for recurring shifts further save time, eliminating the need for repetitive manual assignments.

The platform offers employees self-service options to view schedules, request time off, and swap shifts with colleagues. This collaborative approach reduces management overhead and fosters a sense of autonomy among staff. Automated overtime tracking and labor cost analysis allow you to make data-driven decisions and identify areas for staffing optimization.

Additionally, it integrates with time clock functionality, enabling employees to clock in and out via their mobile devices. It also connects with existing calendar apps, ensuring everyone maintains a synced view of upcoming work commitments.

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$40 Monthly
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$1.70/User, Monthly, Freemium
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Tailored to your specific needs
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Windows
Mac
Linux
Android
Chromebook
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Mac
Linux
Android
Chromebook
Cloud
On-Premise
Mobile
Cloud
On-Premise
Mobile

Product Assistance

Documentation
In Person
Live Online
Videos
Webinars
Documentation
In Person
Live Online
Videos
Webinars
Email
Phone
Chat
FAQ
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Knowledge Base
24/7 Live Support
Email
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Knowledge Base
24/7 Live Support

Product Insights

  • Effortless Schedule Management: WhenToWork’s scheduling toolkit is its highest-rated module, with an 89 rating from our analysts. From ad-hoc adjustments to automated scheduling, the platform provides a flexible, efficient solution. It also offers features like break scheduling, color-coded schedules and configurable options that improve the overall scheduling process.
  • Efficient Reporting: Rated 81 by our analysts, the platform’s reporting toolkit is its second highest-rated module. It offers customizable dashboards and pre-built reports to meet your unique reporting requirements. With the ability to create custom reports, apply filters and generate visualizations, you can easily drill down into data, identify trends and make data-driven decisions. Additionally, WhenToWork's report scheduling and sharing capabilities streamline communication and collaboration.
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  • Adopt a Data-Driven Approach: In our analysis, Sling scored an impressive 95 for its reporting and dashboard tools. You can generate reports and visualizations on time and attendance, scheduling history, employee performance and more. The platform supports automated weekly or monthly reporting based on your rules and offers filtering options to find and audit reports.
  • Simplify Task Management: According to our research, Sling is one of the top-ranked products for managing shifts and tasks. It supports 87% of key task management requirements out of the box, including custom task creation, rotating and recurring shifts, open shift bidding, auto-assigning vacancies, shift feedback, task notes and shift swapping.
  • Manage Schedules From Anywhere: Sling offers one of the highest-rated mobile apps, with 4.7 and 4.6 ratings on the Play Store and Apple Store, respectively. It supports employee punch-ins, push notifications, time tracking, geofencing/GPS tracking, calendar integrations and team messaging options.
  • Manage Employees Efficiently: Based on our data, Sling’s employee management tools are its second highest-rated module, with a rating of 87. This is on par with scheduling stalwarts like Deputy. It offers budgeting, employee self-service options, labor forecasting, shift bidding, multiple pay rates and more. The only limitation is that it cannot send update reminders and alerts for expiring employee documents.
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  • Flexible Scheduling: You get multiple scheduling views, task templates and drag-and-drop tools to create different types of recurring schedules for multiple locations.
  • Import/Export: It lets you import shifts via Excel and .CSV files or export schedules in Excel format.
  • Automated Assignments: You can define rules to automatically assign shifts based on employee preferences and availability.
  • Employee Self-Service: Design unique portals for each team member based on their seniority, job roles and access requirements. Employees can log in via desktops or the mobile app to view and swap schedules, receive messages, and submit time off requests.
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  • Shift Scheduling: Build schedules within minutes while managing time-offs, shift swaps and employee availability. Schedule across geographical locations and time zones while saving templates for future use. Get notifications for double-booking or overlapping shifts, reduce absenteeism and late arrivals, and avoid scheduling overtime. Let employees pick shifts they like while granting approvals.
  • Task Management: Keep employees accountable by adding tasks to shifts. Clarify everyone’s job during shifts while ensuring employees stick to set timelines while finishing assigned tasks. Improve productivity and efficiency by allowing employees to access task lists via mobiles.
  • Time Clock: Track employee clock-ins and outs from a designated terminal, on-site time clock or both. Set early clock-in limits while automatically clocking out employees in case of forgotten log-outs. Review, edit, approve and export timesheets to process payroll seamlessly.
  • Location Management: Create location-specific news feed pages to share important information and messages. Monitor progress while creating to-do lists per location. Authorize multiple display directions and workspaces for every location.
  • Mobile App: Manage schedules on the go while letting employees clock in and out using any Android or iOS device. Use geofencing tools to ensure employees log in and out from designated locations while tracking attendance from anywhere. Send automated alerts or message latecomers in the app.
  • Labor Cost Management: Receive budget insights and suggestions while scheduling to ensure cost-effectiveness. The platform calculates labor costs based on employee wages, allowing real-time margin monitoring per shift. Sling also sends alerts if projected labor costs exceed your budget for a particular shift, prompting you to adjust staffing assignments before finalizing the schedule.
  • Compliance Management: Store licenses, contracts, certifications, and other files within employee profiles with unlimited storage. To ensure timely renewals, Sling alerts you when critical documents are nearing expiry. Set granular permission levels for document access to safeguard staff details. Managers can define and assign custom break durations per labor regulations, automate break scheduling, and send break reminders to employees.
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Product Ranking

#5

among all
Employee Scheduling Software

#30

among all
Employee Scheduling Software

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Analyst Rating Summary

61
84
52
91
62
87
79
78
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Schedule Management
Mobile Capabilities
Reporting and Analytics
Collaboration
Employee Management
Schedule Management

Analyst Ratings for Functional Requirements Customize This Data Customize This Data

WhenToWork
Sling
+ Add Product + Add Product
Collaboration Employee Management Leave And Absence Management Mobile Capabilities Platform Capabilities Reporting And Analytics Schedule Management Security And Compliance Shift Management Time And Attendance Management 52 62 79 55 67 81 89 37 82 27 91 87 78 98 75 95 86 56 86 83 0 25 50 75 100
50%
0%
50%
88%
0%
12%
58%
0%
42%
83%
0%
17%
63%
25%
12%
75%
0%
25%
53%
0%
47%
93%
0%
7%
67%
0%
33%
78%
0%
22%
83%
0%
17%
100%
0%
0%
85%
0%
15%
80%
0%
20%
33%
0%
67%
56%
0%
44%
79%
5%
16%
84%
0%
16%
26%
0%
74%
84%
0%
16%

Analyst Ratings for Technical Requirements Customize This Data Customize This Data

30%
0%
70%
60%
0%
40%

User Sentiment Summary

Great User Sentiment 226 reviews
Excellent User Sentiment 234 reviews
89%
of users recommend this product

WhenToWork has a 'great' User Satisfaction Rating of 89% when considering 226 user reviews from 4 recognized software review sites.

91%
of users recommend this product

Sling has a 'excellent' User Satisfaction Rating of 91% when considering 234 user reviews from 2 recognized software review sites.

4.7 (15)
n/a
4.3 (93)
4.4 (82)
n/a
4.6 (152)
4.5 (114)
n/a
4.5 (4)
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Awards

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Sling stands above the rest by achieving an ‘Excellent’ rating as a User Favorite.

User Favorite Award

Synopsis of User Ratings and Reviews

Ease of Use: Users praised the platform’s user-friendly interface and ease of use across all user types. Its intuitive navigation simplifies shift management, schedule swaps and coworker communication. The platform also provides useful "how-to" videos, making it easier for users to understand the system without needing live support.
Better Customization and Flexibility: Users appreciated the ability to customize schedules, permissions and worker roles. It’s easy to switch shifts and see assigned shifts in one place.
Easy Reporting: The one-click report generation feature helps users manage budgets and track employee hours. This is especially helpful for administrators manually comparing scheduling costs with budgetary constraints.
Improved Remote Workability: Reviews highlight the benefit of accessing the software from any mobile device, making it convenient for teams to check schedules, receive notifications and streamline internal communications.
Simple Implementation Process: Users from small and medium businesses appreciated the software’s lightweight nature. It requires minimal IT involvement and can be deployed quickly across multiple departments.
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User-Friendly and Intuitive: Many users appreciate Sling's easy-to-use interface, which makes scheduling and other tasks straightforward and accessible without extensive training.
Comprehensive Features in the Free Version: Users find the free version of Sling highly functional and often better than some paid alternatives.
Optimized Shift Management: The ability to create repeating shifts and use shift templates saves time and effort in planning.
Improved Efficiency and Organization: Sling helps organize schedules and increase efficiency by reducing scheduling errors.
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Lack of Live Support: Live representatives are unavailable, especially during troubleshooting. Instead, the platform relies on video tutorials, which may not be sufficient in urgent situations.
Complicated Staff Availability Settings: Some reviewers found the "date specific" availability options frustrating, as it often caused confusion when scheduling in advance. Also, the inability to fully turn off certain options, like the "dislike" function, can complicate determining worker availability.
Limited Enterprise Features: Users from larger businesses noted that the platform lacks advanced enterprise-level security settings and integration support, making it less ideal for organizations with complex needs.
Cluttered Interface: The schedule display can sometimes be confusing or cluttered, particularly when many shifts are on the board. This makes it harder to quickly view and understand schedules at times.
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Notification Overload: There can be too many notifications, especially for chats that users are not actively involved in. Sling doesn’t offer the privacy tools required to customize notifications for managers and employees.
Occasional Glitches and Loading Issues: Some users experience occasional bugs, app crashes or slow loading times after a system update.
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WhenToWork is a user-friendly online scheduling solution for small and medium-sized businesses. Its intuitive interface and straightforward features make it a viable option for businesses looking to ditch paper trails and digitize their scheduling operations.My experience with WhenToWork began with a simple sign-up process that required minimal information. The platform guided me through a brief onboarding process, where I provided details about my business and team members. While the onboarding process was straightforward, I noticed the business category list didn’t offer many options for construction-related industries.Upon accessing the web platform, I was greeted by a somewhat outdated design that felt reminiscent of an earlier era. While the layout was clean and easy to navigate, a modern update could benefit its overall aesthetic. The main menu has sections for schedules, employees, trades, time off, messaging, reports and current on-duty employees.The mobile app, however, offers a more streamlined experience with a user-friendly interface. It provides quick access to schedules, shift trades, time off, messaging, staff information and a link to the full web version. The app's dashboard offers a clear overview of assignments, time off, shift trades and messages.The messaging features are designed for efficient team communication. You can send and receive messages, create urgent alerts, and post on a bulletin board. The “Reports” section offers customizable reporting options, allowing you to generate reports based on various criteria and export them for further analysis.Overall, WhenToWork is a suitable option for businesses with basic scheduling needs. Its user-friendly interface, straightforward features and robust reporting capabilities make it a viable choice for organizations that prioritize simplicity and ease of use. However, businesses seeking a more modern and feature-rich platform may need to explore other options.

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My research into employee scheduling solutions revealed that Sling is a frontrunner, particularly for its user-friendliness. The intuitive interface simplifies schedule creation and management, even for those with limited technical expertise. The platform offers highly customizable templates and automation features, making it easy to generate regular reports.What truly impressed me was the feature set offered in the free plan. Beyond basic scheduling, it provides time tracking, communication tools like news sharing, private messaging and long-term scheduling. This exceeds what many of its competitors offer in their free plans. Also, the ability to schedule up to 50 employees at no cost is a huge advantage for growing small businesses.However, for larger enterprises with complex staffing needs, Sling might not be the perfect fit. While it excels in core scheduling functions, it lacks advanced features like a built-in AI, hiring and onboarding tools, and employee engagement trackers. It doesn't let you automate scheduling or analyze sales forecasts to optimize workforce allocation.Additionally, scheduling conflict alerts are limited to employee availability and don't consider skill sets or preferences. For businesses seeking a more comprehensive workforce management solution with AI-powered assistance, Sling may require further exploration alongside other options in the market.

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