Coveralls vs Devin
Coveralls and Devin are two popular AI coding tools that developers frequently compare. Coveralls uses a freemium model starting at Free, while Devin is paid from $500/mo. Coveralls offers a free tier, while Devin does not. Below we break down features, pricing, strengths, and weaknesses to help you decide which tool fits your workflow best.
Last updated: March 2026
Quick Verdict
Choose Coveralls if you want track code coverage over time and ensure test quality in every pr.. Coveralls's biggest strengths include simple setup with most ci providers and free for open-source projects. Plus, it has a free tier to get started. Choose Devin if you prefer the world's first fully autonomous ai software engineer.. Key advantages include most autonomous ai coding agent available and can handle end-to-end tasks without hand-holding. It's also rated higher (4.2 vs 3.9).
Track code coverage over time and ensure test quality in every PR.
| Coveralls | Devin | |
|---|---|---|
| Pricing | Free | $500/mo |
| Free Tier | Yes | No |
| Pricing Model | Freemium | Paid |
| Rating | ★ 3.9 | ★ 4.2 |
| Categories | Code Review & Testing | AI Agents |
| Key Features | 6 features | 5 features |
| Feature | Coveralls | Devin |
|---|---|---|
| Code coverage tracking and trend analysis | ✓ | — |
| Pull request coverage reporting | ✓ | — |
| Coverage threshold enforcement | ✓ | — |
| Support for all major languages and CI services | ✓ | — |
| Historical coverage data and charts | ✓ | — |
| Badge generation for repository READMEs | ✓ | — |
| Fully autonomous coding from task description to deployment | — | ✓ |
| Sets up its own dev environment and toolchain | — | ✓ |
| Plans, codes, debugs, and tests independently | — | ✓ |
| Handles complex multi-step engineering tasks | — | ✓ |
| Slack integration for task assignment and updates | — | ✓ |
Coveralls
Pros
- + Simple setup with most CI providers
- + Free for open-source projects
- + Clean interface for tracking coverage trends
- + Good GitHub integration with PR checks
Cons
- − Less feature-rich than Codecov
- − UI feels dated compared to newer alternatives
- − Limited analytics on paid tiers
Devin
Pros
- + Most autonomous AI coding agent available
- + Can handle end-to-end tasks without hand-holding
- + Great for repetitive or well-defined engineering tasks
Cons
- − Very expensive at $500/mo for teams
- − Output quality varies on complex or ambiguous tasks
- − Limited transparency into decision-making process
The Bottom Line
Choose Coveralls if: you want track code coverage over time and ensure test quality in every pr.. It has a free tier to get started, which Devin lacks. It's completely free to use. Keep in mind: less feature-rich than codecov.
Choose Devin if: you prefer the world's first fully autonomous ai software engineer.. It holds a higher user rating (4.2 vs 3.9). Keep in mind: very expensive at $500/mo for teams.
Claude Code
Cline
Aider
OpenHands
Sweep
Augment Code