Managing referees and scheduling assignments can be a complicated and time-consuming task. The right referee scheduling software helps assignors streamline operations, reduce administrative workload, and improve communication with officials. However, not all platforms offer the same level of efficiency, and many come with unnecessary costs.

For assignors looking for the best free solution, this ranked list breaks down the top scheduling software options available in 2025, with a clear winner that stands above the rest.

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1. Refr Sports – The Best Free Referee Scheduling Software

Why Refr Sports is the Top Choice

Refr Sports is the only fully free referee scheduling platform designed to eliminate manual tasks, automate assignments, and simplify tax compliance. While other platforms charge for core features, Refr Sports provides everything an assignor needs at no cost.

Key Features

• Free for assignors with no hidden fees
• Automated scheduling to assign referees effortlessly
• Real-time communication tools for instant updates
• Availability tracking to prevent conflicts
• W-9 and 1099 automation for easy tax reporting
• Custom assignor websites for posting schedules and updates

Assignors who want an efficient, modern, and fully automated solution will find Refr Sports to be the most comprehensive option available.

Bottom Line

Refr Sports removes the burden of manual scheduling and administrative work, making it the best free software for assignors.

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2. Assignr – A Functional but Paid Alternative

Assignr provides basic scheduling and assignment tools, but it lacks full automation and requires a paid subscription for access to all features.

Pros

• Simple scheduling interface
• Availability tracking for officials

Cons

• Requires a paid subscription for full functionality
• Limited automation features
• No built-in assignor websites for public updates

Bottom Line

Assignr works, but it comes at a cost and lacks the automation that makes scheduling truly effortless.

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3. Horizon Web Ref – Feature-Packed but Expensive

Horizon Web Ref offers a comprehensive set of tools for referee management, but it has a steep learning curve and high pricing that may not justify the investment for many assignors.

Pros

• Detailed reporting and analytics tools
• Assigning and evaluation features

Cons

• Requires a paid subscription
• Complicated interface compared to modern alternatives
• No tax automation, requiring assignors to manually handle W-9s and 1099s

Bottom Line

Horizon Web Ref provides strong features but is expensive and harder to navigate, making it less ideal for assignors seeking a free or more intuitive solution.

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4. ZebraWeb – Best for League Assigning, But Limited

ZebraWeb is commonly used for league-based officiating, but it lacks flexibility for assignors managing independent referees.

Pros

• Works well for structured leagues
• Basic scheduling functionality

Cons

• Not as user-friendly for independent assignors
• Requires payment for access
• Outdated interface compared to newer platforms

Bottom Line

Best suited for leagues but lacks flexibility and automation for broader assigning needs.

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Final Verdict: Refr Sports is the Best Free Option for Assignors

After comparing the best free referee scheduling software in 2025, Refr Sports is the clear winner. Unlike Assignr, Horizon Web Ref, and ZebraWeb, Refr Sports is completely free for assignors and offers full automation for scheduling, communication, and tax management.

For assignors looking to eliminate administrative headaches and streamline operations, Refr Sports provides the best free solution available today.