Earthly vs Rely.io: Which is Better in 2026?
Choosing between Earthly and Rely.io comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Earthly
Automate engineering standards enforcement across every tool, team, and deployment.
Best for you if:
- • You need DevOps features specifically
- • Automates enforcement of engineering standards and compliance in PRs and AI agents.
- • Provides fast, consistent, and portable software builds with a Dockerfile-like syntax.
Rely.io
Streamline your software supply chain security and compliance with a unified platform.
Best for you if:
- • You want to try before committing
- • You need security features specifically
- • Unified software supply chain security
- • Vulnerability management and remediation
| At a Glance |  Earthly |  Rely.io |
|---|---|---|
Starts at | Custom | FreeFree tier available |
Best For | DevOps | Security |
Rating | - | - |
Choose Earthly or Rely.io?
Choose Earthly if
Automate engineering standards enforcement across every tool, team, and deployment.
- Ensures consistent application of engineering standards and compliance automatically.
- Significantly reduces build times and improves build reliability.
- Provides clear visibility into standards adherence across the organization.
- Your work is DevOps-shaped, not security-shaped
Choose Rely.io if
Streamline your software supply chain security and compliance with a unified platform.
- Centralized platform for multiple security needs
- Improved visibility into software supply chain risks
- Automates compliance reporting
- You want a free tier before you commit
- Your work is security-shaped, not DevOps-shaped
| Feature | Earthly | Rely.io |
|---|---|---|
| Pricing Model | Paid | Freemium |
| User Rating | No ratings yet | No ratings yet |
| Categories | DevOpsDeveloper Tools | SecurityDevOps |
In-Depth Analysis
Earthly
Automate engineering standards enforcement across every tool, team, and deployment.
Strengths
- +Ensures consistent application of engineering standards and compliance automatically.
- +Significantly reduces build times and improves build reliability.
- +Provides clear visibility into standards adherence across the organization.
- +Integrates seamlessly with existing CI/CD tools and complements policy tools like OPA.
- +Empowers developers with instant feedback and proactive guidance, reducing last-minute blockers.
Weaknesses
- -Requires initial setup to define and codify standards.
- -The learning curve for Earthfiles syntax, though familiar, might exist for new users.
Key features
Rely.io
Streamline your software supply chain security and compliance with a unified platform.
Strengths
- +Centralized platform for multiple security needs
- +Improved visibility into software supply chain risks
- +Automates compliance reporting
- +Helps shift security left in the development process
Weaknesses
- -Can have a learning curve for new users
- -Integration complexity might vary depending on existing toolchains
Key features
Who Should Use What?
On a budget?
Rely.io has a free tier. Earthly is paid only.
Go with: Rely.io
Want the highest-rated option?
Neither has ratings yet.
Too early to call on ratings — compare on features and pricing.
Value user reviews?
Neither has ratings yet.
Too early to call — neither has ratings yet.
3 Questions to Help You Decide
What's your budget?
Earthly is paid. Rely.io is freemium. Rely.io lets you start free.
What's your use case?
Earthly is a DevOps tool. Rely.io is in security. Pick the category that matches your needs.
How important are ratings?
Neither has ratings yet.
Key Takeaways
Earthly
- Our pick for this comparison
Rely.io
- Has a free tier
- Better fit for security
The Bottom Line
Earthly is our pick. Rely.io has a free tier if you want to test without paying.
Frequently Asked Questions
Is Earthly or Rely.io better?
Earthly is rated in our evaluation. Earthly is paid and Rely.io is freemium.
What are Earthly and Rely.io used for?
Earthly: Automate engineering standards enforcement across every tool, team, and deployment.. Rely.io: Streamline your software supply chain security and compliance with a unified platform..
What does Earthly cost vs Rely.io?
Earthly is a paid tool. Rely.io is freemium (free tier + paid plans). Visit their websites for detailed pricing.