Use the web diff as your free playground — unlimited diffs, full migration SQL, rollback, and CI/CD integrations. Upgrade to Pro for saved history, shareable links, micro-tools, and team features.
Unlimited schemas, unlimited migrations, unlimited rollback — no credit card required. Try it now →
Add SchemaLens to your CI/CD pipeline and never ship a breaking schema change again. Free for open source. Set up in 2 minutes →
Manual schema reviews and production incidents cost more than most teams realize. SchemaLens automates the check.
Catch breaking schema changes before they reach production. Free tier works with all integrations.
Also available: Bitbucket Pipelines · Generic CI/CD · ⚡ Setup Wizard
The web diff is free. The CI/CD integration pays for itself by preventing one bad migration.
Dropped columns and NOT NULL additions get flagged before merge, not after deploy.
Auto-generated diff reports mean reviewers don't have to eyeball SQL dumps.
Every breaking change reaches the right channel with a shareable alert link.
Track risk trends and breaking change history across every pipeline run.
Free forever — no limits
The web diff is free forever. No credit card required.
Power features for power users
Lifetime access. No recurring bills.
Lifetime Pro is $39 one-time. See the offer →
CI/CD safety for engineering teams
or $290/year (2 months free) · unlimited members
🚀 Prevents one incident → pays for a year
Or request an invoice · book a setup call · manager business case → · ROI calc · vs enterprise tools · workspace preview · print one-pager
Pay once, keep forever
Never pay again. Same features as Pro. $39 one-time.
Maintaining an MIT, Apache, or GPL project with 50+ stars? Add a SchemaLens badge to your README and get Lifetime Pro free.
Get Free Pro License →Studying CS, data engineering, or software development? Verify your .edu or accredited institution email and get Lifetime Pro free.
Get Student Pro License →Help spread the word and unlock Pro for 7 days instantly. One click, no email required.
Open App & Share →Create a blog post, video, tutorial, or tweet thread about SchemaLens and get a free Lifetime Pro license.
Become an Ambassador →Yes. The Free plan works with all CI/CD integrations — GitHub Action, GitLab CI, Jenkins, CircleCI, and Bitbucket Pipelines. You get full migration SQL, rollback scripts, and breaking change alerts on every pull request. Upgrade to Team for shared workspaces, drift alerts, and admin controls.
Yes. The core diff engine runs entirely in your browser or CI runner. We built a custom SQL parser in vanilla JavaScript and never upload your schemas to any server. If you close the tab, your data is gone.
PostgreSQL, MySQL, MariaDB, SQLite, SQL Server, and Oracle. All dialects are available on every plan, including Free.
Yes. Pro and Team plans are billed monthly or annually. Cancel anytime from your Gumroad account. Annual plans are refunded pro-rata within 14 days.
Lifetime Pro is a one-time payment of $39. You get all Pro features forever — unlimited tables, migration generation, exports, and every future Pro update. No recurring bills. Best for developers who hate subscriptions.
We offer a 14-day money-back guarantee on all paid plans. If SchemaLens doesn't save you time, email us and we'll refund you — no questions asked.
The Free plan includes unlimited schema diff, full migration SQL generation, rollback scripts, ORM export, Markdown/PDF/JSON export, and all 5 SQL dialects. It also works with our free GitHub Action and CI/CD integrations. Upgrade to Pro for unlimited saved diff history, shareable links, access to all 80+ micro-tools, and priority support.
The web diff is free forever with no table limits. You can try Pro features (exports, history, share links) free for 24 hours in the app. No email or credit card required.
Absolutely. SchemaLens is built for engineering teams who review database changes in CI/CD. The Team plan adds shared workspaces, Slack/Teams drift alerts, a team risk dashboard, and admin controls. Most teams recover the cost by preventing a single production incident. See why startups choose SchemaLens →, generate a manager approval email with ROI →, or compare manual vs SchemaLens →
Take the interactive Pro tour to see exactly what Pro unlocks. Or generate a ready-to-send business case with ROI and time savings for your manager.
Yes. Open-source maintainers with 50+ GitHub stars can get a free Lifetime Pro license by adding a SchemaLens badge to their README. Apply here →
Yes. Students with a valid .edu or accredited institution email can get a free Lifetime Pro license. Perfect for database coursework, capstone projects, and internships. Apply here →
Send us your team size and we'll reply with a tailored quote and a 10-minute setup plan. No commitment required.
Email us at schemalens@proton.me or reach out on Twitter. We read every message.
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