Your pocket reference — no signal needed.

Private by design. Reliable when it matters.

• ✓ Runs entirely on your iPhone — no account, no tracking, nothing leaves your phone
• ✓ Works offline — subway, plane, trail, power outage
• ✓ Ready for the moments that matter — water purification, food safety, travel phrases, fire starting
• ✓ Free forever — two strong AI engines at no cost, no subscription

Starr Pro — a smarter AI you can count on.

For questions where accuracy really matters, Starr Pro unlocks Phi-3.5 — our most thorough and detailed AI model for facts, math, and logic. One purchase, yours forever. No subscription.

• ✓ Phi-3.5 — our most thorough and detailed AI model, stronger on math, logic, and careful reasoning
• ✓ Switch between all three AI models anytime from Settings
• ✓ $4.99 one-time — yours forever, no recurring fee

Also works on Apple Watch

Raise your wrist, ask a quick question, get a clear reply — all routed privately through your paired iPhone.

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How it works

• 1. Download Starr AI — free on the App Store
• 2. Download an AI engine once over Wi-Fi (one-time, stays on your phone)
• 3. Ask anything, anytime — online or off