Diffyn VS Clearhavn

Diffyn's answer

Addresses workflow and change management on LLM prompts, provide teams with traceability and visualization of tests across multiple models, provide deeper understading into efficiency of these prompts.

Clearhavn's answer:

Clearhavn is built specifically for family-law cases — custody, support, protective orders — not generic case management.

• Cross-platform: where Alimentor 2 is iPhone-only and a one-time purchase, Clearhavn syncs across web and iOS (Android in beta).
• Calm UX: where MyCourtClerk's interface is heavier, Clearhavn stays focused on documentation.
• Pattern detection: where a spreadsheet stops working at 50 events, Clearhavn tags events by issue and surfaces recurring patterns automatically — eleven late pickups become visible as a pattern, not just three you happen to remember.

Diffyn's answer

Diffyn is the platform that specializes on both change management and multi-model analysis.

Clearhavn's answer:

If you're preparing for a custody hearing or working with an attorney, you spend more time documenting than scheduling — and existing tools either focus on co-parent communication (OurFamilyWizard, TalkingParents) or scheduling (Custody X Change). Clearhavn focuses on the documentation layer: events with linked evidence, witnesses, court orders, and a one-click court-ready chronology PDF.

• Price: $12/month vs $40/month for MyCourtClerk.
• Platform: web + iOS + Android, not iPhone-only like Alimentor 2.
• Free plan: covers one case forever, so you can try the full documentation flow before paying anything.

Diffyn's answer

React, Next.js, POSTGRESQL

Clearhavn's answer:

• Web: Next.js 15 (App Router) with TypeScript, deployed on Vercel with Cloudflare DNS.
• Mobile: native iOS app built with Expo (React Native), sharing a custom HMAC-signed bearer-token API with the web backend.
• Data: Neon Postgres with Drizzle ORM. Cloudflare R2 for evidence file storage.
• Auth & billing: Auth.js v5 for web sessions. Stripe for subscriptions.
• Infrastructure: Resend + React Email for transactional and onboarding mail, Sentry for error monitoring, Plausible for cookieless analytics, Cloudflare Turnstile for signup CAPTCHA.

Diffyn's answer

Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.

Clearhavn's answer:

Primary audience: self-represented parents preparing for custody, support, or protective-order hearings — people who need a court-ready record but can't justify $40-100/month per parent.

Secondary audience: parents working with a family-law attorney who want to show up to meetings organized instead of emailing 47 unsorted screenshots. Pro plans include read-only attorney sharing so counsel can review the case on their own time.

Diffyn's answer

I started working on Diffyn when I notice that prompting has become an essential part of work across many industries. While there are version control platofrms like github, they are not designed for just prompt management are can be overkill such applications, it is also not integrated natively with various LLMs and relevant tools for users to validate ideas and visualise results properly.

Clearhavn's answer:

Ryan Marshall built Clearhavn after going through his own family-law case and realizing the existing tools fell into three buckets: spreadsheets that fell apart at 50 events, iPhone-only apps stuck in a one-time-purchase model from a decade ago, or enterprise legal software priced for law firms. There wasn't a calm, modern, cross-platform tool built for the parent — just for the lawyer or the time tracker.

Clearhavn is what he needed at 11 PM on a Sunday trying to assemble a chronology before a Wednesday hearing. It's now used by self-represented parents and clients of family-law attorneys to organize their case into a clear, court-ready record.