SafeThink vs ShieldFlow

SafeThink is the AI assistant that never sends your data anywhere. It works without the internet. It runs the Qwen 3.5 4B large language model entirely on your iPhone - no cloud APIs, no accounts, no subscriptions. Your conversations, documents, and photos stay on your device, always. POWERFUL ON-DEVICE AI • Run a 4-billion parameter AI model directly on your iPhone • Streaming responses with real-time tokens-per-second display • 8K context window for longer, more coherent conversations • No internet required for AI chat - works completely offline DOCUMENT ANALYSIS • Import PDF, TXT, or CSV files and ask questions about them • The AI reads your document content and provides summaries, answers, and insights • All document processing happens on-device - your files are never uploaded IMAGE UNDERSTANDING • Attach photos and ask the AI about them • On-device Vision AI extracts text (OCR), identifies objects, detects faces, and reads barcodes/QR codes • The AI uses this analysis to describe and answer questions about your images WEB SEARCH • Optional DuckDuckGo web search for up-to-date information • Search results are processed by your on-device AI for intelligent answers • Every network request is logged and visible in the Privacy Dashboard PRIVACY BY DESIGN • Zero data collection - no analytics, no tracking, no crash reporting • No account required - just download and start chatting • Face ID / Touch ID lock to protect your conversations • Privacy Dashboard shows every network request the app has ever made • Network access is only used for downloading the AI model and optional web search SMART FEATURES • Persistent memory - the AI remembers important facts across conversations • Voice input with on-device speech recognition • Markdown rendering with code syntax highlighting • Pin, archive, and search your conversation history • Export chats as JSON, Markdown, TXT, or PDF • Customizable system prompt, temperature, and top-p settings REQUIREMENTS • iPhone 12 Pro or later (6 GB RAM minimum) • iOS 17 or later • ~3 GB free storage for the AI model download • Internet required only for initial model download SafeThink proves that powerful AI doesn’t have to come at the cost of your privacy. Everything runs on Apple Silicon - your data never leaves your hands.

Take back your focus. ShieldFlow blocks distracting apps using Apple's own Screen Time technology — so you can do your best work, build real habits, and reclaim your day. WHY SHIELDFLOW Phone addiction is real. The average person picks up their phone 96 times a day. ShieldFlow puts you back in control — without guilt, without complexity. FEATURES INSTANT APP BLOCKING Block any app in one tap. Selected apps show a shield screen instead of opening. Works with Apple's FamilyControls — the same technology Apple uses for Screen Time. FOCUS LOCK Pick a duration before you start and ShieldFlow makes it impossible to quit early. 25 minutes free. Unlock longer sessions with Pro. POMODORO MODE Built-in Pomodoro timer automatically blocks apps during work intervals and lifts them during breaks. No setup required. AUTOMATIC SCHEDULES Set recurring focus windows for work hours, study time, or bedtime. ShieldFlow blocks automatically — no manual tapping required. STREAKS & DAILY STATS Track your focus minutes, build streaks, and watch your progress with a beautiful weekly chart. Habits stick when you can see them. DAILY GOALS Set a daily focus goal from 30 minutes to 8 hours. Watch your progress bar fill up throughout the day. 100% PRIVATE ShieldFlow never sees which apps you block. Zero data leaves your device. No account required. No tracking. No ads. HOW IT WORKS 1. Enable Screen Time access (takes 5 seconds) 2. Choose which apps distract you most 3. Tap Start Focus — those apps are gone 4. End the session and see your stats grow FREE VS PRO Free includes: block up to 3 individual apps, Focus Lock up to 25 minutes, 1 automatic schedule, daily stats, and streak tracking. ShieldFlow Pro unlocks: block entire app categories (social, games, news — one tap blocks them all), unlimited individual app blocking, extended Focus Lock (50m, 90m, and custom), unlimited schedules, monthly insights, and priority support. Try Pro free for 7 days — no charge until the trial ends. Cancel anytime in iOS Settings. PRIVACY Your data never leaves your iPhone. ShieldFlow uses Apple's FamilyControls framework and never has access to which apps you block. No account needed. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/