Arbolus Intelligence

FLY.IO

fly.io · Chicago Loop, United States of America

Fly.io is a cloud hosting platform that lets developers deploy full-stack applications and databases close to users around the world by running containers on a global edge network. It provides infrastructure, orchestration, and networking services so teams can run apps, APIs, and background jobs without managing traditional servers. The company generates revenue through usage-based pricing on compute, storage, and related cloud services.

  • Cloud Infrastructure & Hosting
  • API Management & Integration
Listed in
Revenue
$8.0M
Employees
70
Founded
2017
Headquarters
Chicago Loop, United States of America

What 5 Arbolus experts think of FLY.IO

NPS scores range widely (from 4 to 10), with Influencers tending to recommend Fly.io based on control and uptime, while some Users cite learning curve challenges. Renewal intent is positive for Influencers with longer tenure. Stickiness correlates with duration of use: those with more than a year express higher satisfaction and renewal likelihood. Key themes are developer flexibility, control, and global reach versus complexity and cost unpredictability.Overall Customer Sentiment: Positive

Who reviewed FLY.IO

Total customers 5 5 current · 0 former
Reviews growth +4 in six months
Seniority of respondents
  • C-Suite 80% (4)
  • Director 20% (1)
Founder C-Suite NPS 10 Will renew Submitted Jul 2026
Generalist Partner C-Suite NPS 4 Submitted Aug 2026
Strategy Leader C-Suite NPS 9 Will renew Submitted Jun 2026

Employer names and spend open in the full report, along with the other 2 customers.

Everything 5 customers told us about FLY.IO.

Employer names, spend, renewal intent and every written answer behind the numbers on this page.

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Sentiment

40 Net Promoter Score, from 5 scored reviews
  • Promoters 3
  • Passives 1
  • Detractors 1

Cumulative NPS by month

+0 over 5 months
  • Mar 8
  • Jun 8
  • Jul 9
  • Aug 8
  • Sep 8

Net Promoter Score across 2 reviews, accumulated up to each month. Category median 45 across 2 companies.

Praised

  • Simplifying Onboarding and Learning Curve
  • Cost Predictability
  • Enhancing Support and Observability
  • Flexible Infrastructure Control

Criticised

  • Unpredictable Costs
  • Infrastructure Complexity
  • Steep Learning Curve
  • Unpredictable Cost as a Churn Risk

What customers say

Flexible Infrastructure Control
“I get more control over infrastructure than with a typical PaaS, and Fly.io lets me avoid the full complexity of AWS or Azure while maintaining flexibility in deployment.”
Global Deployment and Private Networking
“I value Fly.io’s container-based deployments and private networking, which let me run apps close to users, improving performance and architecture cohesion.”
Developer-Focused Tooling
“Fly.io enables reliable production infrastructure and a workflow that prioritizes application development over manual server management.”

Renewal intent

Plan to renew 100%
  • Will renew 2
  • Undecided 0
  • Not renewing 0

Plan to renew, by seniority

  • C-Suite 100% 2 answers
  • 9.5/10 Average score from customers who will renew

Top alternatives

Most weighed by FLY.IO customers

Report

Customer Report - Sep 2026 Sep 2026 5 + 0

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