Apps by Strataic

Software that works for you.

We build apps we’d want to use ourselves. Software that respects your privacy, puts you in control and keeps your personal information out of the business model.

The Strataic philosophy

Useful software.
Your terms.

Five principles shape what we build and how we build it.

  1. Your data is yours.

    We never sell your personal information or claim ownership of it.

  2. Private by design.

    Local storage and on-device AI wherever practical. Clear explanations when a service needs the cloud.

  3. Freedom to leave.

    Your information should be easy to export and take with you.

  4. Every dependency earns its place.

    No accounts, cloud services or subscriptions without a good reason.

  5. Built to be useful.

    We design for what you want to get done, not for time spent in an app.

We make money from useful software.
Not from your data.

Everyday life

Walnut

Keep notes, lists, plans and life's loose ends together. A personal assistant that helps you remember and get things done.

Local-first on iPhone · Optional Apple services and sharing

Language learning

Linguette

Build confidence in another language through conversation, listening, reading and writing. Practise at your own pace.

Coming soon · On-device practice and tutoring on iPhone

Running & progress

Fitness Curve

Plan your runs, follow live guidance and understand your progress. Built around your fitness and how you feel.

Coming soon · Runs stored on iPhone · You choose what to share

Organisational memory

Strataic Contracts

Keep the reasoning behind contract negotiations. Bring documents, decisions and context together so knowledge stays with the organisation.

Hosted service · In development

Coming soon

Our approach to privacy

Clear about your data.

Walnut, Linguette and Fitness Curve keep core app data on your device. Optional backups, sharing and connected services may use the cloud.

Strataic Contracts is a hosted service, with data processed and stored on servers. Each product's privacy information explains its own data handling.