Fly.io vs Upstash

Which no-code tool is better for your project? Compare features, pricing, and more.

Fly.io

Fly.io

Run your full-stack apps close to your users — globally.

4.3
Try Fly.io
Upstash

Upstash

Serverless Redis, Kafka, and QStash for modern apps.

4.5
Try Upstash

Quick Verdict

Fly.io is best for globally distributed applications. Upstash is best for rate limiting and caching. Not sure? Let our AI recommend the right one.

FeatureFly.ioUpstash
PricingContactContact
Pricing Modelfreemiumfreemium
Rating4.3/54.5/5
AI Features✗ No✗ No
Founded20172021
Company Size50-10020-50
Key Features
  • Global edge deployment (35+ regions)
  • Firecracker micro-VMs
  • Built-in PostgreSQL (Fly Postgres)
  • GPU machines for AI workloads
  • Anycast networking
  • Serverless Redis with REST API
  • Serverless Kafka for event streaming
  • QStash for HTTP-based messaging
  • Global replication and edge support
  • Per-request pricing (pay as you go)
IntegrationsGitHub Actions, Docker, PostgreSQL, RedisVercel, Cloudflare Workers, Next.js, Remix

Fly.io — Pros & Cons

Deploy anywhere in the world — low-latency by default
Runs real full-stack apps (not just serverless functions)
Great for real-time apps, multiplayer, and global services
Competitive pricing for global distribution
Steeper learning curve than Railway or Render
Managed database (Fly Postgres) is less mature than dedicated services
Smaller ecosystem and community

Upstash — Pros & Cons

True serverless — pay only for what you use
REST API works in any environment (edge, serverless)
Generous free tier for experimentation
Purpose-built for modern serverless architectures
Not suitable for heavy, persistent Redis workloads
REST-based access adds latency vs native protocols
Limited advanced Redis features

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