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Developer Tools · head to head

Earthly vs Pieces for Developers

Earthly logo

Earthly

Developer Tools

Engineering guardrails for the AI era

From
Free
Rated
-
Full reviewWebsite
Pieces for Developers logo

Pieces for Developers

Developer Tools

AI-powered memory layer that captures and organizes developer work

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Earthly pricing model not published; requires sales contact; Pieces for Developers requires installing and running a background desktop app rather than being purely cloud-based.
  • They diverge on capability: Earthly covers Policy as code, Pieces for Developers covers Activity Timeline.

Where they differ

Only the attributes on which Earthly and Pieces for Developers actually diverge.

Attributes where Earthly and Pieces for Developers differ
AttributeEarthlyPieces for Developers
Pricing modelNo pricing published on websitefreemium
PlatformsWeb, CLIwindows, mac, linux
Founded20202018

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Developer Tools).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Earthly

  • Policy as code
  • Multi-stage enforcement
  • AI agent governance
  • Repository-wide policies
  • Incident response automation
  • Compliance management
  • Earthfiles build tool
  • Satellites

Only in Pieces for Developers

  • Activity Timeline
  • Conversational Search
  • Artifact Generation
  • Cross-tool Integration
  • MCP Server
  • On-device Storage

What people use each for

The jobs each tool is most often brought in to do.

Earthly

  • Enforcing engineering standards across AI and human developersnot Pieces for Developers
  • Automating incident response procedures across all repositoriesnot Pieces for Developers
  • Embedding compliance requirements into development workflowsnot Pieces for Developers
  • Standardizing build processes with Earthfilesnot Pieces for Developers

Pieces for Developers

  • Recalling code snippets and context from earlier work sessionsnot Earthly
  • Generating standup updates automatically from captured activitynot Earthly
  • Feeding long-term memory into AI coding assistants via MCPnot Earthly
  • Searching past research and meeting notes conversationallynot Earthly

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Earthly

  • Pricing model not published; requires sales contact
  • Earthly Lunar is a recent launch (2025) with limited track record
  • Primarily GitHub-focused; limited integration with other platforms
  • No public documentation on pricing or feature tiers

Pieces for Developers

  • Requires installing and running a background desktop app rather than being purely cloud-based.
  • Free tier trial of Pro features requires a credit card and reverts after 7 days.
  • Local-first storage means memory is not automatically synced across multiple machines without Enterprise controls.
  • Effectiveness depends on the breadth of integrations enabled, which adds setup overhead.

Pricing, plan by plan

Earthly

Free

No published plan breakdown. See the Earthly review.

Pieces for Developers

Free
  • FreeFree
    • Basic capture and search
    • 7-day trial of Pro features
  • Pro$18.99/month
    • Long-term on-device memory
    • Cross-app capture
    • Single-click summaries and recaps
  • Enterprise$22.99/month
    • All Pro features
    • Organization-wide capture and feature controls
    • Approved AI providers and custom API keys

Which should you pick?

Choose Earthly if

  • You need policy as code.
  • You want to start without paying.
  • You work on Web, CLI.
  • You also want multi-stage enforcement.
Earthly review

Choose Pieces for Developers if

  • You need activity timeline.
  • You want to start without paying.
  • You work on windows, mac, linux.
  • You also want conversational search.
Pieces for Developers review

Questions people ask

Is Earthly or Pieces for Developers better?
Neither clearly leads. Earthly starts at Free and Pieces for Developers at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Earthly or Pieces for Developers?
Earthly starts at Free and Pieces for Developers at Free.
Does Earthly or Pieces for Developers run on more platforms?
Earthly runs on Web, CLI. Pieces for Developers runs on windows, mac, linux.
Can I use Earthly for free?
Both have a free tier, so you can try either at no cost before committing.
What is Earthly best used for?
Earthly is most often used for enforcing engineering standards across ai and human developers, automating incident response procedures across all repositories, embedding compliance requirements into development workflows, standardizing build processes with earthfiles. Of those, enforcing engineering standards across ai and human developers and automating incident response procedures across all repositories are not what Pieces for Developers is typically brought in for.
What can Earthly do that Pieces for Developers cannot?
Earthly covers Policy as code, Multi-stage enforcement, AI agent governance, Repository-wide policies. Pieces for Developers covers Activity Timeline, Conversational Search, Artifact Generation, Cross-tool Integration.

Answered from the vendors’ own pages

Earthly: What is the difference between Earthfiles and Earthly Lunar?

Earthfiles is an open-source build tool that reached 12,000 GitHub stars and is used by companies like NVIDIA, Intel, and Databricks. Earthly Lunar is a separate governance platform launched in 2025 for enforcing standards across development workflows.

Source
Pieces for Developers: Does Pieces store my data in the cloud?

Pieces stores captured data on-device by default, giving users granular controls to pause, disable or delete captures rather than relying solely on cloud storage.

Source
Earthly: How does Earthly Lunar enforce standards?

Lunar converts engineering standards, compliance requirements, and processes documented in AGENTS.md files, wikis, and incident postmortems into enforceable guardrails that apply consistently across repositories and development stages.

Source
Pieces for Developers: Is there a free plan for Pieces?

Pieces does not offer a permanently free plan; new users instead get a 7-day free trial on any plan, which requires a credit card to start.

Source
Earthly: What is the pricing for Earthly Lunar?

Pricing is not published on the website. Interested customers should contact Earthly's sales team for current pricing and feature tiers.

Source
Pieces for Developers: What does the Pro plan cost?

Pro is $18.99 per month billed monthly, with roughly a 25% discount available when billed yearly.

Source
Pieces for Developers: What does the Enterprise plan add?

Enterprise costs $22.99 per month (or $69.99 per quarter) and adds organization-wide admin controls, approved AI providers, and governance over captured data.

Source
Pieces for Developers: Can I cancel my Pieces subscription?

Yes, users can upgrade, downgrade, or cancel anytime from account settings, and all plans include a 14-day money-back guarantee.

Source
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