Gleis PaaS vs Fly.io

GPGleis PaaS9.0Visit Fly.io8.6Visit

Higher score GP Gleis PaaS #3 in Ruby on Rails Hosting 9.0/10 Free plan Free plan✓ 3 of 3 features Visit Gleis PaaS

vs

Fly.io #7 in Ruby on Rails Hosting 8.6/10 7-day trial Free trial✓ 0 of 3 features Visit Fly.io

• Gleis PaaS fits best

  Budget-conscious Rails developers

• Fly.io fits best

  Teams deploying Rails containers worldwide

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature	GPGleis PaaS 9.0/10 Visit ↗	Fly.io 8.6/10 Visit ↗
At a glance
Editor score	9.0	8.6
Ranking	#3 in Ruby on Rails Hosting	#7 in Ruby on Rails Hosting
Best for	Budget-conscious Rails developers	Teams deploying Rails containers worldwide
Pricing model	Free plan + paid	Paid
Starting price	9 CHF/mo	$1.94/device/mo
Free plan	✓ (best)	—
Free trial	—	7 days
Deployment	Cloud	Cloud, Browser extension
Platforms	Web, Windows, macOS, Linux	Web, Linux
Support	Email	Community, Docs, Email, Tickets
Built for	Solo, Small business, Mid-market	Solo, Small business, Mid-market, Enterprise
Features Gleis PaaS 3/3 · Fly.io 0/3
Managed database	✓ (best)	Not checked yet
Background jobs	✓ (best)	Not checked yet
Git deployment	✓ (best)	Not checked yet
Specs
Ruby version support	Multiple versions	Not checked yet
Apps on entry plan	Not checked yet	Not checked yet
Deployment regions	Not checked yet	Not checked yet
Our review
Pros	Git-based Rails deployment with multiple Ruby versions Managed PostgreSQL, background workers, and scheduled jobs Free plan plus SSL, rolling upgrades, and health checks	Deploy across worldwide regions with multiple rollout strategies Health checks, rollback, volumes, secrets, and private networking Docker, buildpack, API, and GitHub Actions support
Cons	Verified integration coverage is limited to Travis CI The free plan includes one non-productive PostgreSQL database No AI features are included	No free plan is available Storage and network charges are excluded from the starting price Rails-specific support is not a stated focus
Our verdict	Gleis PaaS is a Swiss cloud Platform as a Service for developers deploying Ruby on Rails and other twelve-factor web applications. It supports Ruby, Python, Elixir, Node.js, and .NET Core, with deployments managed through an open-source… Read the review →	Fly.io is a developer-focused public cloud for running web applications, APIs, background processes, and other containerized workloads on lightweight Fly Machines. Teams can deploy with fly deploy and fly.toml, using Dockerfiles,… Read the review →

Strengths and trade-offs

• Gleis PaaS — where it wins

  • Git-based Rails deployment with multiple Ruby versions
  • Managed PostgreSQL, background workers, and scheduled jobs
  • Free plan plus SSL, rolling upgrades, and health checks

  Where it doesn't

  • Verified integration coverage is limited to Travis CI
  • The free plan includes one non-productive PostgreSQL database
  • No AI features are included

• Fly.io — where it wins

  • Deploy across worldwide regions with multiple rollout strategies
  • Health checks, rollback, volumes, secrets, and private networking
  • Docker, buildpack, API, and GitHub Actions support

  Where it doesn't

  • No free plan is available
  • Storage and network charges are excluded from the starting price
  • Rails-specific support is not a stated focus

• GPGleis PaaS9.0/10 · Free plan

  A budget-friendly Rails PaaS with Git deployment, PostgreSQL, workers, and a free plan.

  Visit Gleis PaaSFull verdict →
• Fly.io8.6/10 · 7-day trial

  A flexible global container platform with low entry pricing, but limited Rails-specific positioning.

  Visit Fly.ioFull verdict →