
Macroscope
AI code review for GitHub pull requests, charged by usage, with free usage credit for new workspaces.
Is Macroscope free?
Yes, Macroscope gives free credits. What you get: One-time $100 free usage, plus 1,000 free Agent credits a month. Free limits: 1,000 free Agent credits per month. To get it: sign in with GitHub; then install the Macroscope GitHub app on the repositories you want to connect; then activate billing. Verified on docs.macroscope.com.
Free plan at a glance
- Includes
- $100 in free usage for new workspaces (one time, does not expire)
- 1,000 free Agent credits per month
Usage beyond the balance is billed as overage on your end-of-period invoice; a monthly spend limit caps what you can be charged.
How to get it free
Promo credit- Sign in with GitHub
- Install the Macroscope GitHub app on the repositories you want to connect
- Activate billing
- Turn on Correctness in Settings for each repository
Good to know
- Setup says to activate billing; the pages do not say whether a card is needed
- Auto Refill is on by default and tops up the balance automatically
docs.macroscope.com, Checked Source
Overview
Macroscope reviews GitHub pull requests for bugs, summarises commits and runs custom AI review agents. It charges for usage with no seat fees, and new workspaces get $100 in free usage.
Key features
- Correctness review of GitHub pull requests for bugs
- Approvability: auto-approves PRs with no bugs and minimal blast radius
- Check Run Agents: custom AI reviewers defined in your repository
- PR summaries and a Status feed of what changed across repos
- Fix it for me: reply on a review comment and it branches, writes the fix and runs your CI
- CLI (beta) to review code locally before you push
Best for
- Tasks
- Review code & PRs
- People
- Engineering teams on GitHub, Teams that want automatic pull request review, Engineering managers who want summaries of what shipped
Limitations
- The $100 in free usage is a one-time credit; once it is spent, reviews are billed by the KB reviewed
- The 1,000 free Agent credits renew each month but do not roll over
- Setup asks you to activate billing, and Auto Refill is on by default
Screenshot

FAQ
- Is Macroscope free?
- Yes. Macroscope offers free credits: One-time $100 free usage, plus 1,000 free Agent credits a month. We last checked docs.macroscope.com's pricing page on 2026-10-22.
- What does the Macroscope free credits include?
- The Macroscope free credits include: 1,000 free Agent credits per month. Source: https://docs.macroscope.com/pricing (checked 2026-10-22).
- How do I get Macroscope for free?
- Steps: Sign in with GitHub; Install the Macroscope GitHub app on the repositories you want to connect; Activate billing; Turn on Correctness in Settings for each repository. Sign-up options: GitHub. Start at https://docs.macroscope.com/setup-instructions (checked 2026-10-22).
- What's the catch with Macroscope's free credits?
- Setup says to activate billing; the pages do not say whether a card is needed. Auto Refill is on by default and tops up the balance automatically. Checked 2026-10-22.
- What are free alternatives to Macroscope?
- GitHub Copilot, CodeRabbit and What The Diff all have free plans. We checked their free offers on 2026-10-25.
- How is Macroscope priced?
- It charges for usage with no seat fees. Code Review is charged per KB reviewed, Status per summarized commit, and Agent usage per credit, all from one prepaid balance.Source: docs.macroscope.com/pricing
- Does Auto Refill charge me automatically?
- Auto Refill is on by default and tops up the balance automatically when it drops below a threshold. You can change it in Settings, Billing.Source: docs.macroscope.com/pricing
Free alternatives

GitHub Copilot
AI pair programmer with chat, completions, and PR assistance in major IDEs.
Free forever, Copilot Free $0 with monthly usage limits

CodeRabbit
AI code reviews on pull requests for GitHub, GitLab and more.
Free forever, PR summaries, free forever for open source

What The Diff
AI-generated pull request descriptions.
Free forever

Aikido Security
Developer security platform with AI autofix.
Free forever

Freebuff
Ad-supported free AI coding agent for the terminal, desktop, web and GitHub repos.
Free forever, Free $0/month plan funded by text ads: free hours refilled daily (30 hours a day shown on the plans page for full access; 5 hours a day in limited mode, 4 on a VPN or proxy)
Sources
- Free offer
- Verified on docs.macroscope.com/pricing
…and the welcome credit don’t expire; free Agent credits reset each…
Added by our team. We check that a free option exists and record the date; signing up is between you and Macroscope, so read their privacy policy and terms first.
Is this your tool? Claim it · Promote it