Freedom251 › Code Obfuscation Software
.NET Reactor
What .NET Reactor is
.NET Reactor is a desktop system for protecting .NET assemblies and managing software licenses. Its protection options include obfuscation, encrypted code called NecroBit, code virtualization, anti-debugging, string encryption, control-flow obfuscation, and anti-tamper controls. It supports assemblies for .NET Framework, .NET 5–10, .NET Core, .NET Standard, .NET MAUI, Xamarin, Mono, and Unity, among other listed targets. Developers can use a graphical interface or command line, including command-line scripts. Build connections include add-ins for Visual Studio and JetBrains Rider, Azure DevOps pipeline tasks, and GitHub Actions. Licensing can use trial or permanent licenses, hardware or software locks, and an SDK for license checks and extensions. The demo is available for Windows, macOS, and Linux; the Linux package is command-line only. Pricing starts at $249, with a 14-day trial. Single Developer costs $249, paid once and excludes build server support; Company costs $549, paid once and includes it. Company licensing covers one legal entity. The maker lists version 7.5.0.0, released 12-Nov-2025.
Who it suits
It suits developers protecting .NET applications who need assembly protection, licensing controls, or build integrations. The Single Developer plan is limited to individual use; Company covers one legal entity and includes build server support.
What it does well
- Supports a wide range of .NET frameworks and targets.
- Offers GUI and command-line workflows.
- Includes anti-tamper and multiple code protections.
- Provides Visual Studio, Rider, Azure DevOps, and GitHub integrations.
What to know first
- No free plan; pricing starts at $249.
- Single Developer excludes build server support.
- Linux demo package includes CLI only.
- Company license excludes affiliates, parent companies, and subsidiaries.
Limits
The Single Developer plan is for one developer and excludes build server support. The Company plan supports multiple developers but is limited to one legal entity; the Linux download provides command-line tools only.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Single Developer | Perpetual license with 1 year update support · 1 developer · individual use only · build server support not included | $249, paid once |
| Company | Perpetual license with 1 year update support · Entire company · multiple developers · one legal entity · build server support included | $549, paid once |
As eziriz.com lists them, read 4 Oct 2026. The maker's own page has the final word.
Getting started
- Open the Eziriz .NET Reactor website
- Choose the 14-day trial or purchase a listed perpetual plan
- Download the demo for Windows, macOS, or Linux
- Install the graphical application or Linux CLI
- Integrate with Visual Studio, Rider, Azure DevOps, or GitHub Actions
- Configure protection and licensing for supported assemblies
Verdict
.NET Reactor combines assembly protection, licensing, and build integrations for a broad set of .NET targets. Check the plan's developer and company scope, and note that build server support is included only with Company.
Questions
How much does .NET Reactor cost?
Single Developer costs $249, paid once. Company costs $549, paid once. A 14-day trial is listed.
Is there a free plan?
No. The product has paid plans and a free trial.
Which operating systems are supported?
Demo downloads are available for Windows 64-bit, macOS for Apple Silicon and Intel, and Linux 64-bit.
What frameworks can it protect?
Supported targets include .NET Framework, .NET 5–10, .NET Core, .NET Standard, .NET MAUI, Xamarin, Mono, Unity, ASP.NET, ASP.NET Core, Blazor, Silverlight, and WinRT/Metro.
Does it provide licensing controls?
Yes. It supports trial or permanent licenses, hardware and software locks, an SDK for license checks, and offline validation.
What does the Company plan cover?
It covers an entire company with multiple developers and build server support, but exactly one legal entity.
Facts from .NET Reactor's own pages
- Build integrations
- The vendor lists Visual Studio and JetBrains Rider add-ins, Azure DevOps pipeline tasks, and GitHub Actions integration. · eziriz.com, 4 Oct 2026
- Demo status
- The vendor labels the download a demo; its download page does not state a trial duration. · eziriz.com, 4 Oct 2026
- Headquarters
- Brome, Niedersachsen, Germany · eziriz.com, 28 Sept 2026
- License scope
- The Company license covers exactly one legal entity; affiliates, parent companies, and subsidiaries are excluded. · eziriz.com, 4 Oct 2026
- Licensing
- The licensing system supports trial or permanent licenses, hardware and software locks, and an SDK for license checks and custom extensions. · eziriz.com, 4 Oct 2026
- Offline licensing
- The manual says the licensing system does not require code outside the customer's premises to determine whether licenses are valid. · eziriz.com, 4 Oct 2026
- Operating system downloads
- The demo download page offers Windows 64-bit, macOS for Apple Silicon and Intel, and Linux 64-bit; the Linux package includes CLI only. · eziriz.com, 4 Oct 2026
- Protection
- Its protections include obfuscation, NecroBit encrypted code, code virtualization, anti-debugging, string encryption, and control-flow obfuscation. · eziriz.com, 4 Oct 2026
- Purpose
- .NET Reactor is a .NET code protection and licensing system designed to protect assemblies against reverse engineering. · eziriz.com, 4 Oct 2026
- Release
- The listed latest version is 7.5.0.0, released 12-Nov-2025. · eziriz.com, 4 Oct 2026
- Security and privacy
- The license agreement says the software processes only personal data provided in the license file and collects, stores, or transmits no additional personal data during operation. · eziriz.com, 4 Oct 2026
- Support
- Eziriz says typical support response time is within one business day on weekdays and offers a 24/7 AI assistant for basic help. · eziriz.com, 4 Oct 2026
- Supported frameworks
- The product lists support for .NET Framework, .NET 5.0–10.0, .NET Core, .NET Standard, .NET MAUI, Xamarin, Mono, and Unity assemblies. · eziriz.com, 4 Oct 2026
- Usage options
- The product has a GUI and command-line support, and its command-line generator can be used in scripts. · eziriz.com, 4 Oct 2026
Where .NET Reactor stands on Freedom251
- Code Obfuscation Software#23 of 34