Legal · Productivity

Tipson Audit

An iPhone and iPad app that reviews contracts with AI before you sign them.

The challenge

Freelancers and small businesses sign contracts they don't fully understand: abusive payment terms, full transfer of intellectual property or courts in another country. Paying a lawyer for every contract isn't always viable.

The solution

You scan the contract with the camera or upload a PDF. The app extracts the text, analyzes it with AI, rates each clause by risk and explains the consequence and the applicable law. An assistant answers questions about that specific contract.

Under the hood

The app never talks to the AI provider directly. A custom Node.js backend holds the key, prompts and model, validates an app token and rate-limits requests. It ships with a privacy manifest and a local legal knowledge base.

Key features

  • 01

    Camera scanning (VisionKit) or PDF import

  • 02

    Executive summary of the contract

  • 03

    Risks rated high, medium and low, with their consequence

  • 04

    References to Spanish law, such as the late-payment Act 3/2004

  • 05

    Legal assistant chat about the contract itself

  • 06

    Pro subscription with StoreKit 2

Technology

SwiftUISwiftDataVisionKitVisionPDFKitStoreKit 2Node.jsIA

Outcome

  • iPhone and iPad from one codebase
  • AI key protected on our own server
  • Risk analysis in seconds

Screenshots

Tipson Audit · 1Tipson Audit · 2Tipson Audit · 3Tipson Audit · 4

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