About this app

Meet Siti — your private AI assistant, running entirely on your device. Siti is a profoundly capable, profoundly personal assistant that never sends your words to the cloud. Ask questions, draft messages, brainstorm ideas, summarize text, translate languages, or just talk things through — all powered by an on-device AI model that keeps every conversation completely private. ASK SITI ANYTHING • Get clear answers to everyday questions • Draft emails, messages, and posts • Brainstorm ideas and make plans • Summarize long text in seconds • Translate between languages • Explain difficult topics simply • Get help with writing and editing • Learn something new, one question at a time 100% ON YOUR DEVICE Siti's AI runs entirely on your iPhone and iPad. No data is ever sent to a server — your conversations never leave your device. After a one-time model download (~1–2 GB), Siti works completely offline. No internet connection required. PRIVATE BY DESIGN • No account, no sign-in • No cloud processing • No tracking, no ads • No data collection Your conversations are yours alone. WORKS ANYWHERE, ANYTIME On a plane, on the subway, off the grid — Siti is always ready. Because everything happens on your device, you get fast, private answers wherever you are. FAST AND NATIVE Built as a native app and optimized for Apple silicon, Siti delivers quick, fluid responses that feel right at home on iOS. WHY SITI? The name is a playful nod to the assistants we all know — but Siti flips the script: instead of the cloud, everything stays with you. Profoundly personal. Entirely private. KEY FEATURES - Private on-device AI chat - Works fully offline after model download - No account or subscription required - No tracking or data collection - Clean, distraction-free design - Fast responses powered by Apple silicon Download Siti today and meet the assistant that keeps your world to itself.

Latest release

What’s New

Version 1.0.3 Aug 4, 2026

Bug fixes and performance improvements.

Audience growth

Ratings growth

Steady

7-day gain +0

Ratings / day 0.0

30-day gain +0

US rating-count history

0 ratings

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking