Cloudflare vs Fly.io: Which One Fits Your Solo Dev Stack?
Free tier limits, real costs for 1-10 users, and honest "not for" warnings. The Solo Dev decision guide for Cloudflare vs Fly.io.
⚡ Quick Verdict
Cloudflare edges ahead with a 4.8/5 rating. However, the best choice depends on your team size, budget, and workflow needs. Read on for the full breakdown.
💰 Cost by Team Size
| Team Size | Cloudflare | Fly.io |
|---|---|---|
| Solo (1 user) | $0/mo | $0/mo |
| Small (5 users) | $0/mo | $10/mo |
| Growing (10 users) | $0/mo | $30/mo |
| Free Tier | ✅ Unlimited bandwidth CDN. DNS management. SSL. Basic DDoS protection. Workers: 100K requests/day. | ✅ See website |
Pricing Plans
| Plan | Cloudflare | Fly.io |
|---|---|---|
| Free Plan | ✅ Yes | ✅ Yes |
| Pro | $20/mo | $0/mo |
| Business | $200/mo | — |
| Enterprise | Custom | — |
Feature Comparison
| Feature | Cloudflare | Fly.io |
|---|
Pros & Cons
Cloudflare
✅ Pros
- Free tier has unlimited bandwidth CDN
- Workers execute at edge — 200+ cities
- Cloudflare Pages for free static hosting
- Best DNS performance globally
- D1 database and R2 storage (S3-compatible)
❌ Cons
- Complex dashboard — steep learning curve
- Workers have 10ms CPU time limit (free)
- Vendor lock-in for Workers/D1/R2
- Enterprise pricing opaque
- Support quality varies by tier
Fly.io
✅ Pros
- Modern and well-maintained
- Good free tier
- Active community
❌ Cons
- Learning curve for advanced features
- Pricing scales with usage
Who Should Use What?
✅ Choose Cloudflare if...
- You are a every website (free cdn/dns)
- You are a edge-first applications
- You are a cost-conscious teams needing global performance
🚫 Skip if...
- Complex backend apps (use Railway/Fly.io)
- Teams wanting simple UIs
- Apps needing long-running processes
✅ Choose Fly.io if...
- You are a solo developers
- You are a small startups
- You are a side projects
🚫 Skip if...
- Enterprise with complex compliance
🏆 Our Verdict
Both Cloudflare (4.8/5) and Fly.io (4.3/5) are excellent tools in their category. Cloudflare takes a slight edge overall, but the best choice ultimately depends on your team's specific needs, budget, and existing tool ecosystem.
Frequently Asked Questions
Is Cloudflare better than Fly.io?
It depends on your needs. Cloudflare excels in some areas while Fly.io has its own strengths. Read our full comparison above to see which tool fits your specific requirements.
How does Cloudflare pricing compare to Fly.io?
Cloudflare starts at Free / $20/mo, while Fly.io starts at Free / $0/mo. Both offer different value propositions — check our pricing comparison section for a detailed breakdown.
Can I migrate from Cloudflare to Fly.io?
Yes, most B2B tools offer data import/export features. Fly.io typically provides migration guides and sometimes even dedicated support for switching from Cloudflare.
Which is easier to use, Cloudflare or Fly.io?
Ease of use depends on your team's experience and workflow preferences. We evaluated both tools on usability — see our feature comparison scores above for details.
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