A free VPS is the most useful free tier in cloud computing: a real server you control, running 24/7, for nothing. Oracle Cloud, Fly.io and Railway all offer free tiers that qualify, but they are very different servers for very different jobs. This comparison explains what each one gives you and which one fits your project.

Oracle Cloud: The Real Server

Oracle's Always Free tier gives you up to 4 Arm cores, 24GB RAM and 200GB storage, a genuine virtual private server that runs 24/7 and never expires. It is the only free tier that can host a real application, a database and a VPN at the same time. The price is management: you are the sysadmin, responsible for updates, security and backups. Choose Oracle if you want a real server and are comfortable managing Linux.

Fly.io: The App Platform

Fly.io's free allowance covers small machines with shared CPU and limited memory, designed for running applications close to users around the world. It is not a general-purpose VPS, but it is excellent for deploying a small web app or API with a global footprint. The pricing changed in 2026, with memory now costing $6 per GB a month, so check the current free allowance before you build. Choose Fly.io for deploying apps, not for running a server.

Railway: The Simplest Start

Railway added a free VM accessible by SSH with no account or credit card needed, offering 2 vCPU and a simple deployment flow. It is the easiest free VPS to start with, because the setup is minutes rather than hours, and the platform handles much of the infrastructure. The resources are smaller than Oracle's, and the free tier is designed for development rather than production. Choose Railway if you want to start now and learn as you go.

Comparing the Limits

Oracle gives the most resources but needs the most skill. Fly.io gives the best global deployment but the least raw server. Railway gives the simplest start but the smallest resources. The honest comparison is not which is best, but which fits your project: a production app needs Oracle, a global API needs Fly.io, and a weekend experiment needs Railway. All three are free, so try the one that matches your goal.

Keeping a Free VPS Safe

A free VPS is a real server on the public internet, so secure it like one: disable password login and use SSH keys, enable automatic security updates, configure a firewall, and back up your data off the server. Change the default SSH port, install fail2ban, and never run services as root. A compromised free server can be used to attack others, and the responsibility is yours even though the server is free.

Free VPS and Uptime Expectations

A free VPS will not have the uptime of a paid one: the provider can reclaim the resources, the instance can be throttled, and support is minimal. Set your expectations accordingly, and build your project to tolerate restarts: use a process manager, persist data to a volume, and monitor the service with a free uptime checker. For a hobby project, a portfolio site, or a learning environment, the free VPS is perfect. For a business-critical service, pay for the reliability, and use the free tier for the staging environment that mirrors it.

Key Takeaways

- Oracle gives a real 24/7 VPS with 4 Arm cores and 24GB RAM - Fly.io suits global app deployment; Railway suits the simplest start - Oracle needs Linux skill; Railway needs almost none - Secure any free VPS with SSH keys, a firewall and backups

Frequently Asked Questions

What is the best free VPS? Oracle Cloud for a real server with the most resources, Fly.io for deploying apps globally, and Railway for the simplest start. Choose by project, not by brand.

A free VPS is a real server with real responsibility. Pick the tier that fits your project, secure it properly, and keep it backed up.