Here's how Instapaper and Raindrop compare across the features people actually look for. They share 11 core capabilities; the differences show up in what each tool focuses on.
Feature
Instapaper
Raindrop
Keep
Capture and save
Browser extension
Chrome, Firefox, Safari, Edge
Chrome, Firefox, Safari, Edge
Chrome, Firefox, Edge, Brave
Mobile apps
iOS, Android
iOS, Android
Save from email
Unique save-by-email address
Forward to in.keep.md
Save tweets
Partial
Save YouTube videos
URL only
Partial
With transcripts
Save GitHub stars
Save PDFs
Premium
Full-text search Pro only
Converted to markdown
Save files (docs, spreadsheets)
PDF, EPUB, images, video
Word, Excel, CSV, HTML, OpenDocument
Save audio files
mp3, wav, aiff, flac
With Whisper transcription
Save via API
Auto-sync sources
RSS auto-sync
Via IFTTT applet
YouTube channel sync
X bookmarks sync
Auto-sync on paid plans; manual import from extension export on free
GitHub stars sync
Newsletter inbox sync
Forward-to-save, not a dedicated inbox
Library and reading
Reader view
Offline reading
Partial
Full-text search
Premium
Pro
Semantic / AI search
Pro (Stella)
Highlights
Highlight from the extension or from inside the reader, with optional notes; renders inline
Notes
Tags
Collections
Folders
Nested
Public sharing
Partial
Full-text RSS extraction
AI and agents
Markdown export for AI agents
Per-item .md URL
Bulk markdown export
MCP server
Official server
CLI tool
keep-markdown npm package
Claude Code skill
AI summaries
Pro (Stella)
AI summary and AI tagging on every saved article
Public API
Import and export
OPML import / export
Import from and export to any OPML-compatible reader
Pocket import
ZIP, CSV, and legacy HTML exports
Instapaper import
CSV export with folders, archive, and starred state
CSV / JSON export
HTML + CSV
HTML, CSV, TXT only
Export to CSV or JSON. Import plain CSV/TSV plus Omnivore, Raindrop.io, Pinboard, and Wallabag export files.
Send to Kindle
Premium
EPUB delivered to your Kindle email
Import Kindle highlights
From My Clippings.txt, no Amazon login required
Pricing
Instapaper is free, paid from $5.99/mo and Raindrop is free, paid from $3/mo. The tier that fits best usually comes down to how many items you save each month.
Instapaper
Free
Unlimited saves, folders, tags, sync across web/iOS/Android, API access.
Free
Premium
Full-text search, permanent archive, PDF reader, unlimited notes, Kindle send, AI voices, speed reading, ad-free.
Full-text search, permanent web archive, 10 GB/month uploads, Stella AI assistant, annotations on highlights.
$3/mo
Keep
Free
Unlimited links, browser extension, API/CLI/MCP, RSS feeds, YouTube subscriptions, and free imports from bookmark export files.
Free
Plus
500 full-content items per cycle, X bookmarks, email inbox, GitHub sync, uploads, and AI features.
$10/mo
Pro
1,000 full-content items per cycle, everything in Plus.
$20/mo
Max
5,000 full-content items per cycle, everything in Pro.
$50/mo
Strengths and weaknesses
Both tools do their category well, but the specifics differ. Here's what each one is good at and where it tends to fall short.
What Instapaper does well
One of the cleanest text extractions in the category
Long track record and stable apps
Email-in works out of the box for forwarding articles and newsletters
Tags now work across web, mobile, and extensions
Kindle delivery for long-form reading
Where it falls short
No RSS subscription workflow
Most of the useful features (search, PDFs, Kindle send) require Premium
No structured markdown export for AI or LLM tooling
No public API for semantic or AI features
What Raindrop does well
Best-in-class UI for organising a large library of saves
Nested collections and tags for serious curators
Native apps on every major platform including browsers
Genuinely usable free tier with unlimited saves
Official MCP server for Claude, Cursor, ChatGPT, and more
Where it falls short
Not a reading app; reader view is secondary
Export formats limited to HTML, CSV, and TXT (no markdown or JSON)
No native RSS subscription or newsletter intake
Highlights are basic compared to Readwise Reader or Matter
About Instapaper
Instapaper is one of the original read-later apps, still going strong after Betaworks took it back from Pinterest in 2020. The product has always been sharp on one thing: save a web page, read it later in a clean typographic view. Free tier gets you unlimited saves, folders, tags, sync across iOS/Android/web, and a public API. Premium at $5.99/mo or $59.99/yr layers on full-text search, permanent archive, PDF reader, Kindle send, AI voices, and speed reading.
Most of the product has shipped in a long tail of small updates rather than big reinventions. The recent wave added tags across every platform, highlights on the open web via the browser extensions, and send-to-Kindle right from the extension.
About Raindrop
Raindrop is a bookmark manager with polished apps on every major platform, a generous free tier with unlimited bookmarks, and a surprisingly thorough AI layer for Pro users. Pro is $3/mo ($28/yr) and unlocks full-text search across saved pages and PDFs, the Stella AI assistant, a permanent web archive, reminders, and annotations on highlights. Highlights themselves are free on every tier.
The product quietly got ambitious on AI in 2025. There's an official MCP server at /rest/v2/ai/mcp that works with Claude, Cursor, ChatGPT, VS Code with Copilot, Windsurf, and Zed, plus an open REST API with OAuth and token auth.