🔥 Now in Closed Beta

The Gym for Your Brain

AI can summarize a book in seconds. But did YOU get smarter? Anvil is the gym for your brain — where real understanding is built through reflection, not automation.

Join Closed Testing See Demo

100% Privacy-First

Local Data Storage

0 Data Collected

💡 Core Idea captured!

✨ +1 Insight

Features

Everything You Need to Capture What Matters

Simple yet powerful tools designed for thoughtful readers who want to remember and apply what they learn.

Meta-Cognitive Prompts

Go beyond simple notes. Our four-part reflection framework helps you extract deeper meaning from every reading session.

Core Idea "What was the most difficult concept?"

Resonance "Why did this resonate with you?"

Challenge "How does this relate to previous reading?"

Action "What concrete action can you take?"

Local-First Privacy

Your thoughts stay on your device. We never see, store, or have access to your reading insights. Period.

Reading Streaks

Build consistent reading habits with daily streak tracking. Visual progress that motivates you to keep going.

Focus Timer

Set your reading duration and dive in. Track your cognitive state to understand when you read best.

Organized Vault

All your insights organized by category. Search, filter, and rediscover your reading journey anytime.

Share Spark Cards

Turn your best insights into beautiful, shareable images. Spread knowledge with friends and followers.

See It In Action

Beautiful Dark Mode Design

Every detail crafted for focused reading and effortless insight capture.

Home Start your reading session

Focus Timer Stay in the zone

Capture Reflection prompts

Vault Organized insights

Spark Cards Share your wisdom

How It Works

From Reading to Wisdom in Minutes

A simple three-step process that transforms your reading into actionable knowledge.

Start a Focus Session

Choose your category, set your timer, and dive into your reading. The app gently keeps track while you focus.

Capture Your Insights

After your session, our meta-cognitive prompts guide you to extract the core ideas, connections, and actions.

Build Your Knowledge Vault

Watch your insights accumulate. Search, review, and share your growing collection of wisdom.

Try It

Experience the Reflection Process

Fill out a sample insight to see how Anvil helps you think deeper about what you read.

Philosophy

Nov 26, 2025

💡 Core Idea

What was the most difficult concept you encountered?

💫 Resonance

Why did this specific idea resonate with you?

🔗 Challenge

How does this relate to your previous reading?

🎯 Action

What is one concrete action you can take this week?

Your Insight Preview