Fly.io
Fly.ioは、世界中の多くの地域にあるサーバーにコンテナをデプロイすることで、フルスタックアプリケーションとデータベースをユーザーの近くで実行する開発者向けプラットフォームです。持続的なプロセス、グローバルな低レイテンシー、ランタイムの制御が必要なアプリケーションに適しています。
Fly.io is a hosting technology company based in USA, indexed independently on HostList. As of 2026 it holds an HRI of 55/100, a developing signal, combining four equally-weighted components: trust (4/25), profile completeness (15/25), data freshness (25/25), and performance (11/25). Independent customer feedback: 2.8/5 on Trustpilot from 20 reviews. The listing is unclaimed, so directory data comes from public signals only and may lag the latest pricing or plan changes. HostList ranks all 28,000+ active providers by HRI, never paid placements, never affiliate-influenced. Compare Fly.io against alternatives in the same segment below, or see hostlist.io/hri for the full methodology.
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Before You Sign Up
Fly.ioは、世界中の多くの地域にあるサーバーにコンテナをデプロイすることで、フルスタックアプリケーションとデータベースをユーザーの近くで実行する開発者向けプラットフォームです。持続的なプロセス、グローバルな低レイテンシー、ランタイムの制御が必要なアプリケーションに適しています。
What Customers Say About Fly.io
Share Your ExperienceAggregate scores sourced from third-party review platforms. HostList does not modify or cache individual review content, click through to read on the source.
What people are saying
Trustpilot★★★★☆We experienced zero friction migrating…“We experienced zero friction migrating our containerized workloads over to Fly.io. It is refreshing to see an infrastructure provider that isn't just an API wrapper over AWS; they run hardware-virtualized KVM containers that spin up fast enough to handle incoming HTTP requests natively. The built-in private mesh…”
Trustpilot★★★★★Excellent and User-Friendly Platform“I have a similar opinion to Srikanth's review: some users who rate Fly.io poorly may not have enough technical expertise to fully understand how the platform works. I have been using Fly.io for over a year, and my experience has been consistently positive. The platform is simple, clean, and user-friendly. Pricing is…”
Trustpilot★☆☆☆☆THIS IS THE WORST COMPANY THEY…“THIS IS THE WORST COMPANY THEY LITERALLY SHUT DOWN MY ACCOUNT FOR WHATVER REASON I HAVE 500 IN CREDITS AND SCREWED UP MY ENTIRE GROWING BUSINES I WILL BE SUING THEM IF NOT RESPONDING SOON THESE GUYS ARE BAD”
Trustpilot★☆☆☆☆BE CAREFULL flyploy“BE CAREFULL flyploy, fly.io ARE A BIG SCAM. NEVER GIVE YOUR CREDIT CARD INFORMATION : NO WAY BACK, THEY CHARGE YOU EVERY MONTH WITH NO POSSIBILITY TO CANCEL IT”
Trustpilot★★☆☆☆I signed up and tried to set up an app“I signed up and tried to set up an app. My attempts were not successful. I never successfully deployed an app once. Yet I was being charged for database clusters that were not getting any operations on them. I had an abandoned attempt to use them and gave up only to have multiple charge attempts. I'm glad I secured my…”
Quoted from public third-party discussions; HostList does not edit review text.
Frequently Asked Questions About Fly.io
What is Fly.io's HRI?
Fly.io has a HRI™ of 55/100 on HostList.io. HRI is calculated algorithmically from trust signals (Google, Trustpilot, G2 reviews), profile completeness, data freshness, and performance metrics. Providers can improve their score by claiming their profile, keeping data current, and building verified reviews. No host can pay to increase their score.
What type of hosting company is Fly.io?
Fly.io is classified as a hosting technology provider on HostList.io. Use the HostMatch™ tool at hostlist.io/match to describe your project requirements and get a ranked recommendation from 28,000+ hosting providers including Fly.io.
Where is Fly.io based?
Fly.io is headquartered in USA. Hosting companies based in USA are listed at hostlist.io/hosting/usa. Data centre location may differ from company headquarters, check Fly.io's own website for server location details.
How does Fly.io compare to other web hosting companies?
Fly.io can be compared to any other hosting provider using HostList.io's side-by-side comparison tool at hostlist.io/compare. The tool shows both providers' HRI™ breakdowns, sub-scores (Trust, Completeness, Freshness, Performance), and review data side by side. Fly.io has a current HRI of 55/100.
How Fly.io's Score Is Calculated
HRI is calculated algorithmically based on publicly available data. It considers trust signals (reviews, ratings), data completeness, freshness of information, and technical performance. No host can pay to improve their score.
Full methodology →