AirLock vs ContextStacker

Airlock is your personal, private AI assistant that runs entirely on your device. Unlike other AI apps that send your data to the cloud, Airlock downloads a powerful AI model directly to your phone. Once downloaded, you can chat, ask questions, and get assistance anywhere - even in Airplane mode. KEY FEATURES: • 100% Offline: No internet connection required after initial setup. • Private & Secure: Your conversations never leave your device. • Zero Tracking: We don't collect your data. Period. • Fast & Responsive: Powered by an optimized on-device local LLM.

ContextStacker brings your workspace knowledge into one focused chat. Sign in with the same account you use on the web, then ask questions across readable documents and enabled API resources in your workspace. Answers stream as they are generated, support Markdown, and include source references so you can understand where the information came from. KEY FEATURES • Ask across your entire workspace without choosing a single document • Continue conversations shared with the ContextStacker web app • Receive streamed answers with Markdown formatting • Review document and API sources behind each answer • Start new conversations and revisit chat history • Switch workspaces and manage your account • View your current plan and usage Use the web app to add or manage documents and API resources or invite members. Workspace owners and billing managers can subscribe to Pro Annual or Business Annual in the iOS app. Each plan clearly shows its annual price and included services before purchase. ContextStacker supports English, Simplified Chinese, and Japanese. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/