SFTP To Go vs WS_FTP: Complete Comparison Guide

Use this guide to evaluate SFTP To Go and WS_FTP for your secure file transfer requirements. Learn about the key differences between a lean cloud-based managed SFTP service and a traditional on-premises FTP/SFTP server.

WS_FTP has been around since the 1990s and has earned a loyal following in Windows-centric environments. It’s a known quantity: stable, familiar, and well-documented, yet with numerous vulnerabilities discovered in recent years. 

Evaluating it today means dealing with the reality of on-premises software: finding and provisioning a Windows server, navigating tiered licensing where basic features like HTTPS access are locked behind premium plans, and accepting that automation and compliance are largely your problem to solve.

This guide offers an overview of what you should expect with WS_FTP as compared to SFTP To Go. 


What sets WS_FTP and SFTP To Go apart

WS_FTP and SFTP To Go share some similarities, but the comparison goes beyond cloud-based vs on-premises. The two platforms reflect entirely different approaches to who manages the infrastructure, how integrations and automation get built, and what compliance looks like in practice.

WS_FTP was built in a pre-cloud era as an on-premises server running on Windows and IIS. Its architecture hasn’t changed much since: you provision a Windows server, install and configure the software, and take responsibility for scaling, patching, and availability.

The platform vendor targets small-to-medium businesses with predictable, low-volume file transfer needs. The developers explicitly position it as a lightweight alternative to platforms with what they call "high-end enterprise features", such as compliance frameworks, convenient audit logs, complex automations, and SSO.

WS_FTP server also has a desktop application companion called WS_FTP Client (formerly WS_FTP Professional), which is licensed separately. It’s an FTP client with some advanced features like scheduling and basic scripting. 

SFTP To Go is a lean, cloud-native service built on top of Amazon Web Services and is the opposite of old corporate tech legacy. There is no server to provision, no software to install, and no infrastructure to maintain.

The platform is best suited for teams that need a fully managed service and support for state-of-the-art workflows that involve webhooks, APIs, Git-managed scripts, and CI/CD pipelines.


How we are comparing these solutions

We evaluated both platforms across seven key areas that matter most for secure file transfer:

  • Getting started and managing: how easy it is to start using the platform and maintain its operation
  • Compliance: support for industry standards and regulations
  • Automation and integration: how well the platforms are suited for automated workflows and integration with third-party services
  • Authentication and access control: security methods and permission management
  • Performance: transfer speeds, reliability, and handling of large files
  • Total cost of ownership: pricing models and hidden costs

Let’s see how they stack up.


Round 1: Getting started and managing

WS_FTP installs on a Windows server and requires additional configuration, especially if you need to implement scaling and failover. Some of the basic functionality, such as a web panel for exchanging files, is available as additional modules that need to be installed and configured separately.

Source: https://docs.progress.com/bundle/wsftp-server-release-notes-2022/page/Whats-New-in-WS_FTP-Server-2022.0-8.8.html

SFTP To Go is a managed service that scales automatically. You pick a plan, register, create an organization and a user, and you can start uploading immediately.

SFTP To Go is a managed cloud SFTP solution, so there’s no server for you to run or maintain. Periodically, you provision credentials and permissions, then optionally trigger downstream processing with webhook notifications on file events. This makes ongoing management much lighter.

Bottom line: With WS_FTP, you need an experienced Windows system administrator to get the ball rolling and then maintain the service on an ongoing basis, whereas SFTP To Go requires very little time and experience to get started. You only manage users and permissions and tweak existing webhooks or create new ones. You’re not involved in patching servers or managing the infrastructure at all.


Round 2: Compliance

WS_FTP does not claim to provide support for any standards or regulations beyond FIPS 140-2. While it does meet some of the requirements of various regulations, such as 256-bit AES encryption during transfer and activity logging for audit trails, there are some major gaps as well:

SFTP To Go has support for SOC 2 Type II, HIPAA, GDPR, FERPA, and GLBA. When you create a new organization, you can also set a data region where the files will be stored to support requirements set by local regulations. This is crucial for companies operating in multiple jurisdictions.

Audit logs are always two clicks away from any part of the web interface and can be retained as long as you need, depending on your plan. This reduces the burden on your compliance team.

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Check out our recent blog post about the importance of compliance for managed file transfers for more insights.

Bottom line: WS_FTP is simply not built with compliance in mind. Deploying it on-premises will require many additional steps to make it regulation-compliant. SFTP To Go supports major US and EU standards and regulations and meets data locality requirements in other countries thanks to AWS's global presence.


Round 3: Automation and integrations

WS_FTP has no native server-side scheduling or automation, although it can integrate with MOVEit Automation for scheduling. Otherwise, this functionality is only available when using WS_FTP Client (the desktop application), which has two options: 

  • The Synchronize Utility runs pre-configured scheduled sync tasks.
  • The Script Utility combines file transfer tasks into one executable script. 

The scripts are limited to common file operations, such as uploading and downloading files and directories. You cannot query public APIs, encrypt/decrypt files, send notifications, or integrate with modern cloud services without significant custom development.

Source: https://www.capterra.co.za/software/1077197/WS-FTP-Professional

SFTP To Go has integrations with numerous enterprise platforms, ecommerce solutions, and online services. You can also set up webhooks triggered by events on the organization’s storage. 

For example, you can configure a webhook that will trigger a remote Lambda function or n8n workflow to encrypt a file uploaded to a specific folder by a specific user and place it in another folder on SFTP To Go. The remote script you're triggering can live in a Git repository, so you can do the usual code review and run automated CI/CD pipelines. 

Simply put, SFTP To Go works best for modern teams that need simple integration and an overall great development experience. It fits naturally into DevOps workflows and infrastructure-as-code practices.

Bottom line: WS_FTP is not designed for modern integration requirements and only works for simple use cases, such as scheduled uploading of files, for which you need separate desktop software available for just one operating system, Windows. SFTP To Go allows implementing any business logic with integrations, webhooks, and its own REST API. This makes it a great fit for teams that build automated data pipelines.


Round 4: Authentication and access control

WS_FTP supports a limited selection of authentication methods. It has LDAP support on the premium plan and 2FA via apps like Google Authenticator on all plans.

Access control is available for users and groups: you can define whether they can read files, list them, write them, delete or rename them, and create folders. Person-to-person sharing with custom restrictions requires an Ad Hoc Transfer module that has tier limitations.

SFTP To Go has 2FA with one-time passwords via authentication apps like Google Authenticator and Authy on all plans. It also supports Google Workspace, Microsoft ADFS, Microsoft Entra, Okta, OpenID, and custom SAML identity providers. For better security, you can optionally enforce multi-factor authentication on all web portal users, and for administrators, MFA is mandatory.

When you create or manage a user, you can set a specific home directory for them and define permissions with presets: full access, read-only, write-only, read and write, read and write without delete, and none. This makes it easy to implement the principle of least privilege.

On top of that, you can share specific files and folders with people inside and outside your organization using Share Links. For every share link, you can set a password and expiration date and limit the number of accesses.

Bottom line: Access control settings are similar for both solutions. However, WS_FTP meets only the minimum modern requirements for authentication methods. SFTP To Go provides significantly more flexibility with enterprise SSO options and the ability to enforce multi-factor authentication policies across your organization. This is critical for meeting modern security standards.


Round 5: Performance 

Users rarely mention performance issues with WS_FTP servers. Some report unpredictable folder refreshes after transfers, and intermittent connection problems, especially with older versions like 12.7. A few mention slowness in specific scenarios, such as multipart downloads of large files.

For large files specifically, WS_FTP servers do support multipart uploads. You need to enable that in your FTP client settings, and performance can vary depending on your server hardware and network configuration.

SFTP To Go benefits from AWS’s omnipresence, so uploads and downloads are fast and connections are stable regardless of where you are. Not all connection protocols are born equal though, so check out our SFTP vs. FTPS benchmarks: file transfer speed comparison 2025 blog post to learn which one is likely better for your specific use case.

As for larger-than-5GB files, you don’t need to do anything: most upload methods (web portal, SFTP, FTPS) automatically use the Multipart API from S3. You only need to explicitly use this API when you write integration code that makes the direct S3 API queries.

Bottom line: Both solutions provide a stable, performant connection. For WS_FTP, though, your choice of supported protocols could be limited by your plan, and performance heavily depends on your infrastructure. SFTP To Go delivers consistent performance globally without any infrastructure management on your part.


Round 6: Documentation and support

Both WS_FTP and SFTP To Go have public, well-structured, and task-oriented documentation that is to-the-point and easy to follow. 

While WS_FTP developers provide regular support to users, they also make a point that you should be comfortable with self-service documentation and community forums. Most customer support criticism, of which there isn’t much, is targeted at the WS_FTP Client application, not the server product.

As for SFTP To Go, users report that the customer support team is fast to respond with helpful, detailed answers.

Bottom line: Except for WS_FTP Client support issues, it’s a draw. Documentation is good in both cases, and so is the customer support.


Round 7: Total cost of ownership

WS_FTP Server locks essential features like SSL/SFTP access behind higher plans. Other important features, such as the web transfer module, LDAP Integration, and HTTPS connections, are only available on the premium tier.

Because WS_FTP is an on-premises solution, the total cost of ownership also includes staff costs, hardware procurement and depreciation, disaster recovery and backup infrastructure with additional licensing, security monitoring and vulnerability management, and general server maintenance. There is a lot of the latter: users report that they need to frequently patch server instances.

SFTP To Go takes a similar approach with plans, except the pricing is tied to the use of storage and data transfer. Essential features are available on every plan, so you’re never forced to upgrade just to get the job done. 

Overall, with SFTP To Go, you get predictable pricing, high availability, scalable storage, automatic backups, disaster recovery, and enterprise-grade security. None of that requires hiring a dedicated experienced Windows administrator and compliance engineer, provisioning hardware, or setting up server redundancy.

Bottom line: For small teams with minimal file transfer needs and existing Windows infrastructure, WS_FTP might appear cheaper initially. However, when you factor in the full cost of ownership, SFTP To Go delivers more and better features without the headache of hardware and software maintenance. That alone makes SFTP To Go the clear winner on total cost.


SFTP To Go vs WS_FTP: who's the winner?

The answer depends entirely on your existing infrastructure, team, and preferred workflows.

Choose WS_FTP if:

  • You already have Windows Server infrastructure and experienced administrators
  • You need an on-premises solution for regulation or policy reasons
  • Your file transfer needs are simple and predictable with minimal automation
  • You have very limited file transfer requirements and existing Windows expertise

Choose SFTP To Go if:

  • You want a fully managed solution with zero infrastructure overhead
  • You need compliance support for SOC 2, HIPAA, GDPR, GLBA, FERPA, or other regulations
  • Your team uses modern DevOps practices and automation workflows
  • You need reliable global performance without managing servers, load balancers, and other pieces of the infrastructure puzzle
  • You want webhook-based integrations with Lambda, Make.com, n8n, or other cloud services
  • You’re building data pipelines that require flexible automation

If you want to build cloud-native integrations and have no desire to babysit the infrastructure, SFTP To Go is a better choice. You get compliance frameworks support, state-of-the-art automation and integrations, and zero server maintenance.


Wrapping up

WS_FTP is a traditional solution that works well if you have existing Windows infrastructure and simple file transfer needs. It requires hands-on management and lacks modern integration features, but it gets the job done for basic scenarios.

SFTP To Go is a fully managed, lean, cloud-native platform that scales automatically and integrates with contemporary development workflows. It works best for teams that prioritize minimal maintenance, easy compliance, and great developer experience.


Frequently asked questions

Is WS_FTP still being actively developed?

Yes, but its development pace is modest. The product architecture remains largely the same as it has been for decades. New releases tend to focus on security patches and incremental improvements rather than new capabilities. If you need a solution that keeps pace with modern infrastructure and integration trends, that’s worth factoring into your decision.

Does SFTP To Go support the same protocols as WS_FTP?

Yes, both support SFTP and FTPS. SFTP To Go also provides HTTPS access through the web portal and REST API. Unlike WS_FTP, all protocols are available on every plan, so you won’t be locked into a specific tier to access essential functionality.

Can WS_FTP work in a Linux or Mac environment?

Not really. Both WS_FTP Server and Client run exclusively on Windows. If your team’s infrastructure and expertise is on Linux and Mac, you're going to need workarounds like virtual machines, which add cost and complexity.

SFTP To Go is platform-agnostic: you can connect from any OS using any standard SFTP or FTPS client, and the web portal works in any browser. For mixed or non-Windows environments, this is a significant practical difference.

Can SFTP To Go replace both WS_FTP Server and Client?

Yes, SFTP To Go provides server functionality and a web portal for uploading and downloading files manually. You can also use any standard SFTP/FTPS client such as WinSCP. For automation, SFTP To Go’s webhooks are more flexible than WS_FTP Client’s scripting utility because they can trigger any HTTP endpoint.

What happens if AWS has a blackout? Will my SFTP To Go server go down?

SFTP To Go runs on AWS infrastructure designed for redundancy, but no cloud platform can guarantee zero outages. With WS_FTP, you are responsible for designing and maintaining your own high availability setup if you need redundancy.

Can I enforce compliance policies like data retention automatically with either solution?

WS_FTP typically requires manual implementation through configuration, scripts, and supporting tools. SFTP To Go is a managed platform where the vendor maintains the service controls and provides compliance support for SOC 2 Type II, HIPAA, GDPR, FERPA, and GLBA.

How do webhooks in SFTP To Go compare to WS_FTP Client’s scripting?

WS_FTP Client’s scripting is limited to basic file operations like uploading and downloading and only works on Windows. SFTP To Go’s webhook notifications can trigger HTTP endpoints (for example Lambda, Azure Functions, n8n, or Zapier) so you can run workflows such as file encryption or decryption, ETL steps, notifications, and API integrations. The workflow code can also live in a Git repo and be deployed via CI/CD.

Does SFTP To Go have file size or storage limits?

SFTP To Go’s storage scales with your plan, and the maximum object size in Amazon S3 is 5 TB. Large uploads can be handled via multipart upload. See: S3 Multipart Upload API.

WS_FTP can also support large file transfers, but behaviour and performance depend on your server hardware, configuration, and network conditions.