Ask Corpus
"Pull the top product insights from this week and cite the source."
iPhone app + native share extension
Your personal AI memory for everything you save.
Stop losing your best ideas in tabs, screenshots, and docs. Save in one tap. Find in seconds. Ask in plain English.
Built for builders, researchers, creators, and learners who save a lot.
Capture from anywhere
Links, files, screenshots, and notes across iOS.
Retrieval-first AI
Search and chat grounded in your saved corpus with citations.
From save to action
Reminders, calendar sync, and generated docs.
Live status lane
Syncing 4 items from Share Extension. Processing in background.
Capture
Save from any app with the iOS share sheet.
Find
Search by meaning, not folder memory.
Ask
Get grounded answers over your own data.
Act
Turn saves into reminders and shareable docs.
The full loop: save, retrieve, reason, and move work forward.
Corpus is designed as one continuous system, not disconnected tools. Every action feeds the next.
Capture Anything
Native iOS capture, inside and outside the app.
Save URLs, screenshots, images, files, PDFs, and quick notes in seconds. Add context on upload and avoid duplicate clutter with dedupe-aware ingestion.
- In-app save overlay with clipboard detection and notes
- Share extension accepts URL, text, image, file, and PDF payloads
- Progress + limit handling surfaced in real-time trust lane
Find Instantly
Search your corpus the way you think.
Global semantic search scans everything you saved and drops results directly into the gallery flow, so retrieval feels instant and navigable.
- Category-driven gallery with swipe navigation
- Search overlay with whole-library retrieval
- Pinch-adjustable layout and rich preview cards
Ask With Sources
A retrieval-first AI agent over your personal knowledge base.
Chat in real time, ask for summaries and extraction, and inspect citation cards with source context. Answers stay grounded in what you saved.
- Streaming chat with reconnect-aware session continuity
- Citation sheet with snippets and deep links
- Chat and search operations connected across surfaces
Act On It
Turn saved knowledge into follow-through.
Create reminders from chat, sync to iOS Calendar, and generate reusable markdown docs you can copy or share.
- Reminder CRUD + local notifications
- Two-way EventKit calendar synchronization
- Generated documents with deep-link sharing
Built for teams and knowledge-heavy workflows.
Share curated collections, preserve permissions, and understand how ideas connect across your entire corpus.
Collectives
Create shared spaces with owner, editor, and viewer roles. Invite collaborators through secure deep links and keep permissions explicit.
Invite link sent to product-team
Role granted: Editor
2 items added to Shared Launch Board
Generated Documents
Convert chat outcomes into structured markdown deliverables that can be copied, shared, and revisited from dedicated docs views.
Product Brief v3.md
Weekly research synthesis.md
Investor update notes.md
Knowledge Graph
Explore relationships between categories, sources, tags, and documents through an interactive graph with filtering, node details, and evidence context.
Polished reliability at every step.
Secure auth, resilient sync architecture, and transparent system status keep you confident in what the app is doing.
Secure session foundation
Sign in with Apple by default, keychain-backed credentials, token refresh protections, and confirmed account controls.
Resilient sync engine
Snapshot bootstrap plus incremental deltas keeps devices aligned while preserving responsiveness during background operations.
Live trust lane
Top-level status communicates connectivity, upload processing, sync state, and failures so users always know what is happening.
Integration-ready
Create and revoke API tokens with scoped access and expiration controls for external AI workflows.
Start free, upgrade when Corpus becomes essential.
Manage plans in the iOS app with clear usage visibility and subscription controls.
Free onboarding trial
Capture, search, and ask with full workflow access so you can validate Corpus on real work.
- Complete capture + retrieval flow
- Agent chat with citations
- Collectives and generated docs access
Unlock full volume usage
Weekly unlimited subscription via StoreKit with backend verification and entitlement sync.
- Unlimited saves and chat sessions
- Priority action workflows
- Manage subscription from App Store link
Important product details, clearly stated.
What content can I save?
Links, plain text with URLs, screenshots, images, files, PDFs, and quick notes from the app or iOS share sheet.
Can the AI answers cite my saved sources?
Yes. Corpus chat responses can include citations, source snippets, and deep links back to saved items.
How does collaboration work?
Use Collectives with owner, editor, and viewer roles. Invite collaborators through share links that resolve with deep-link acceptance flows.
What authentication options are available?
Sign in with Apple is the baseline. Google sign-in can be available in builds where it is configured.
Get Corpus
Save less noise. Recover more signal.
Install Corpus AI on iPhone and turn every saved item into searchable, actionable memory.