Fly.io vs Vault by HashiCorp: Pricing Comparison 2026
Side-by-side pricing comparison of Fly.io and Vault by HashiCorp. See all plans, features, and costs at a glance.
Bottom line: Fly.io starts at Custom pricing and Vault by HashiCorp starts at $1.58/mo. Compare all 6 pricing tiers side by side.
Last updated: March 16, 2026
Fly.io vs Vault by HashiCorp: Quick Pricing Facts
| Feature | Fly.io | Vault by HashiCorp |
|---|---|---|
| Starting Price | Custom pricing | $1.58/mo |
| Number of Plans | 3 | 3 |
| Free Tier | No | No |
| Pricing Model | usage-based | open-source |
| Annual Discount | N/A | N/A |
Fly.io and Vault by HashiCorp are both priced at Custom pricing, making them equally accessible Dev Tools. Together they offer 6 pricing plans with 9 features compared, so the best choice comes down to which features match your needs.
Fly.io uses usage-based pricing while Vault by HashiCorp uses open-source pricing, which may affect your total cost at scale.
Review the detailed tier-by-tier comparison above to see exactly which features are included at each price point and find the best fit for your Dev Tools needs.
| Pricing Plans |  Fly.io Try it free |  Vault by HashiCorp Try it free |
|---|---|---|
| Tier 1 | Enterprise-Ready Custom pricing | Development $446/monthCheapest $446 / year Includes
|
| Tier 2 | Compliance Made Easy Custom pricing | Essentials $2/monthCheapest $2 / year Includes
|
| Tier 3 | Are on the House Custom pricing | Standard $2/monthCheapest $2 / year Includes
|
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Vault by HashiCorp
Secrets management, encryption, and identity-based access
View all Vault by HashiCorp plansWhat Reviewers Say
Fly.io
Vault by HashiCorp
Vault by HashiCorp offers better overall value.
Based on pricing data only. Review the full comparison below for your specific needs.
Best value: Vault by HashiCorp
Try Vault by HashiCorp freeWhich Should You Choose?
Choose Fly.io if:
- •Your team needs custom enterprise pricing—Fly.io offers negotiated terms for large deployments
- •You prioritize Fly.io's user experience and interface over price (both tools are similarly priced)
- •You need predictable billing — Fly.io's usage-based model avoids surprise overages
Choose Vault by HashiCorp if:
- •You want more features built-in—Vault by HashiCorp offers 9 additional features across its plans
- •You prioritize Vault by HashiCorp's user experience and interface over price (both tools are similarly priced)
- •You prefer Vault by HashiCorp's open-source model with its 3-tier structure
Fly.io and Vault by HashiCorp offer competitively positioned plans [1], with Fly.io starting at Custom pricing and Vault by HashiCorp at $1.58/mo. This pricing similarity means value differentiation comes down to feature alignment rather than cost. Fly.io provides 3 pricing tiers versus Vault by HashiCorp's 3 options, which affects your flexibility and cost-per-tier efficiency as your team scales and usage increases. Feature-wise, Fly.io offers 0 total features across its tiers, while Vault by HashiCorp provides 9. Map your required features to each tier to determine which tool delivers the capabilities you need at your target price point. With similar pricing, your final decision should prioritize feature requirements, integration ecosystem, and hands-on user experience testing. Request demos or activate trials with both vendors to validate long-term fit before committing to annual contracts.
Frequently Asked Questions: Fly.io vs Vault by HashiCorp
How many pricing plans does Fly.io have vs Vault by HashiCorp?
Can I save money by paying annually for Fly.io or Vault by HashiCorp?
Does Fly.io or Vault by HashiCorp offer custom enterprise pricing?
What pricing models do Fly.io and Vault by HashiCorp use?
How do Fly.io and Vault by HashiCorp compare for Dev Tools?
Sources
- Fly.io Official Pricing— Vendor pricing page
- Vault by HashiCorp Official Pricing— Vendor pricing page
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