Use the web diff as your free playground. Upgrade to Pro for CI/CD integrations, unlimited diffs, migration generation, and team workflows.
Lock in Lifetime Pro at $39 before the price goes up. Buy now →
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
Your free schema diff playground
💡 Try Pro free for 24 hours — no email required
For developers who ship with CI/CD
Lifetime access. No recurring bills.
⚡ Price increases July 1 →
🚀 Early-access price — lock in before rates increase
💡 Or try Pro free for 24 hours in the app — no credit card
For engineering teams & orgs
or $290/year (2 months free)
Pay once, keep forever
Never pay again. Same features as Pro.
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 visual diffs and basic breaking change alerts on every pull request. Upgrade to Pro for migration generation, export formats, and advanced risk scoring inside your pipeline.
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 lets you diff up to 15 tables at a time, view visual diffs, and use all 5 SQL dialects. It also works with our free GitHub Action and CI/CD integrations. Upgrade to Pro for unlimited tables, migration generation, exports (Markdown, PDF, SQL, JSON), shareable links, and advanced breaking change detection.
Yes. In the app, click "Try Pro Free — 24 Hours" when you hit the 15-table limit. No email, no credit card, no signup required. You'll get full migration generation, exports, and share links for 24 hours.
Absolutely. Many Pro users are engineering leads who use SchemaLens for code review, staging-to-production checks, and CI/CD pipeline gating. The Team plan adds shared workspaces, diff comments, and admin controls for organizations.
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 →
Email us at schemalens@proton.me or reach out on Twitter. We read every message.
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