Fly.io vs Onfido Comparison
Detailed comparison of features, pricing, and capabilities
Last updated April 4, 2026
Overview
Compare key metrics and features at a glance
Fly.io
https://fly.io
Fly.io is a platform that allows developers to deploy applications closer to their users by running them in micro-VMs on a global network of servers. It transforms Docker containers into micro-VMs that can run anywhere in the world, providing better performance through edge computing and simplified deployment processes. The platform specializes in running full-stack applications globally with minimal latency.
Onfido
https://onfido.com
Onfido is an identity verification and authentication platform that helps businesses verify people's identities using document verification, biometric verification, and background checks. The company uses AI and machine learning to verify government IDs and match them to facial biometrics, enabling businesses to onboard customers remotely while preventing fraud and maintaining regulatory compliance.
Quick Comparison
| Detail | Fly.io | Onfido |
|---|---|---|
| Category | Platform as a Service (PaaS) | Identity Verification |
| Starting Price | Free | Free |
| Plans Available | 5 | 1 |
| Features Tracked | 16 | 1 |
| Founded | 2017 | 2012 |
| Headquarters | San Francisco, USA | London, UK |
Features
Detailed feature-by-feature comparison
Feature Comparison
| Feature | | |
|---|---|---|
| api | ||
| Fly Machines API | ||
| core | ||
| Auto-Scaling | ||
| Biometric Verification | ||
| Docker Container Deployment | ||
| Firecracker MicroVMs | ||
| Fly Launch | ||
| Global Anycast Networking | ||
| Managed Postgres | ||
| Managed Redis | ||
| Multi-Region Deployment | ||
| Multiple Language Support | ||
| Persistent Volumes | ||
| Private Network | ||
| integration | ||
| CI/CD Integration | ||
| security | ||
| Secrets Management | ||
| support | ||
| Prometheus Metrics | ||
| flyctl CLI | ||
Pricing
Compare pricing plans and value for money
Fly.io
From $0/mo
Price Components
- Compute (shared-cpu-1x 256MB): $0.0028/hour
- Persistent Volumes: $0.15/GB
- Volume Snapshots: $0.08/GB (10 included)
- Data Egress (NA/Europe): $0.02/GB
- Dedicated IPv4: $2/address
Best For
Developers and startups building latency-sensitive, full-stack or stateful apps like global APIs and databases that need edge deployment without vendor lock-in.
Onfido
From $0/mo
Price Components
- document_check: $2/check
- facial_similarity_check: $1/check
Best For
Fintech and mobility platforms onboarding global users needing fast AI-driven biometric and document verification with strong compliance.
Integrations
See which third-party services are supported
Supported Integrations
Coming Soon
Integration comparison data for Fly.io, Onfido is being collected and will be available soon.
Strengths & Limitations
Key strengths and limitations of each service
Fly.io
Developers and startups building latency-sensitive, full-stack or stateful apps like global APIs and databases that need edge deployment without vendor lock-in.
- Deploys Docker containers as micro-VMs across global edge locations with Anycast networking for sub-100ms latency, outperforming centralized PaaS like Heroku.
- Supports stateful apps via Fly Volumes for persistent NVMe storage and managed Postgres with automated scaling, unlike ephemeral serverless competitors.
- Generous free Hobby tier covers compute, storage, and Anycast IPs with pure pay-as-you-go pricing, avoiding minimum fees of Render or DigitalOcean.
- 7th most popular deployment platform with 2.5% market share and 3M+ apps launched, backed by Series C funding and $11.2M 2024 revenue.
- Managed Postgres requires more hands-on management than fully managed DBaaS from AWS or DigitalOcean, lacking complete 'hands-off' automation.
- Enterprise support starts at $2500/month, pricier than Render's $29/user organization plans for similar scale.
- Smaller team of 51-200 employees may limit rapid feature development versus hyperscalers like AWS.
Onfido
Fintech and mobility platforms onboarding global users needing fast AI-driven biometric and document verification with strong compliance.
- Supports thousands of government-issued documents across 195 countries with AI-powered data extraction and security checks.
- Advanced liveness detection distinguishes real users from photos, videos, or masks via movements or 3D analysis.
- Atlas AI with over 10,000 micromodels processes 95% of checks in under 10 seconds, boosting fraud accuracy by 54%.
- ISO 27001 certified and fully compliant with GDPR, CCPA, featuring end-to-end encryption for biometric data.
- Narrower document coverage at ~2,500 types versus competitors like Veriff's 13,500, limiting some global reach.
- Lacks bank account verification and unified fraud signals like device fingerprinting found in platforms such as SEON or Signzy.
- Biometric verifications take up to 10 seconds, slower than rivals delivering 1-second responses.
Company Info
Company details and background
Fly.io
Onfido
Comparison FAQ
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