Comparison

TheBrain vs DEVONthink To Go 4

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

TheBrain

This app helps you capture, connect, and visualize all your ideas, notes, and files across devices. It acts as a digital memory, showing related items and allowing for dynamic mind mapping and powerful search to help you recall information instantly.

Highlights
  • Award-winning visualization
  • Networked notes with backlinks
  • Dynamic mind mapping
  • Easy idea capture
  • Cross-device sync
  • Powerful search
  • Visual file management
Features
Read full description

YOUR DIGITAL MEMORY. VISUALIZED. TheBrain is the unique knowledge app that helps you capture everything — ideas, notes, web pages, files, photos — and connect it all the way you naturally think. Stop hunting through folders, tabs, and search bars. Start seeing your knowledge as a living network you can navigate with a tap. Described by the Wall Street Journal as "Software that thinks like you do" and MacLife as "the most compelling mind mapping adaptation we've encountered." Winner of KMWorld's Trendsetting Products award. WHY THEBRAIN? Traditional notes apps trap your ideas in folders, tags, or endless lists. TheBrain lets every piece of information connect to anything else — so the right idea finds you the moment you need it. It's note-taking, mind mapping, file management, and AI rolled into one beautiful experience that works the same on every device. KEY FEATURES CEREBRO — TALK TO YOUR BRAIN WITH AI Our built-in agentic AI assistant. Ask Cerebro anything — and let it create new thoughts and notes, surface exactly what you need, summarize long documents, suggest meaningful links, or just have a conversation about what you know. It can do anything you can do — only faster. DYNAMIC THOUGHT NETWORK Move beyond conventional mind maps and folders. TheBrain's animated visualization shows your ideas, their context, and the relationships between them — at any scale. Tap a thought, and the entire network reorganizes around it. NETWORKED NOTES Rich notes shown in context with automatic backlinks and concept discovery. Hybrid WYSIWYG + Markdown writing, powerful tables, resizable images, math, and folding — all the modern editor essentials. EVERYTHING IN ONE PLACE Attach web pages, PDFs, photos, and documents to any thought. Link people, projects, files, and ideas in a single living workspace. POWERFUL SEARCH Find any note, file, web page, or idea in seconds. Every match appears in the context of your thought network, so you instantly see how it relates to everything else you know. SEAMLESS SYNC ACROSS DEVICES Your brain is always with you. Mobile, Mac, Windows, Linux, and web stay in sync — even with large brains. Smart Sync downloads attachments on demand, keeping your brain fast and lightweight on every device. INFINITE SCALE Effortlessly handles hundreds of thousands of items and many gigabytes of data — without slowing down. COLLABORATE AND SHARE Publish your brain online for the world, or sync thoughts privately with your team. Great for shared knowledge bases, project planning, and team research. ==================================== WAYS TO USE THEBRAIN • Build your second brain — a living reflection of how you think, ready when you need it. • Manage everything in your life: projects, people, goals, files, and ideas in one place. • Capture interesting articles, videos, and references so they're activated when you need them. • Organize trips, travel, and major life events with all the right context at hand. • Power your research — go deeper on any concept and see how it connects to everything else. • Turn goals into action by linking them with the resources needed to achieve them. • Build a knowledge base that sparks new ideas and breakthroughs. • Link people, projects, and information for a smarter view of your business. • Create topic brains around your passions, hobbies, and special interests. • Plan personal projects like home renovations, weddings, or major purchases. GET STARTED IN MINUTES Start with a single thought — your name, a project, an idea you want to explore. Add a few connections. Within minutes you'll understand why people have trusted TheBrain for over two decades. For the best experience, install TheBrain on your phone, tablet, and computer. Our iPhone, iPad, Mac, Windows, and other mobile clients all sync seamlessly — your best thinking is always with you.

About

DEVONthink To Go 4

Manage your entire knowledge library on your iPad and iPhone. Organize, edit, and annotate documents, notes, and more. Leverage generative AI for summaries, content creation, and advanced search. Syncs privately and securely across devices.

Highlights
  • Document organization and management
  • AI-powered summaries and content creation
  • PDF annotation and editing
  • On-device OCR for searchable documents
  • Cross-device secure synchronization
  • Custom metadata and tagging
  • Shortcuts automation
Features
Read full description

Your entire knowledge library. Always with you. Always private. DEVONthink To Go is your document repository when you're not at your Mac. Collect, organize, edit, and annotate. Use generative AI to work with your stored knowledge or create new documents. Automate with Shortcuts. Our time-tested technology keeps all your data in sync between your Mac, iPad, and iPhone, privately and securely. The professional document and information manager for iPad and iPhone. From DEVONtechnologies, driving innovation since 2002. - Students: Annotate research papers with AI-powered summaries - Teachers: Organize your materials, use AI to create handouts and tests - Researchers: Have your data with you in a robust, powerful knowledge manager - Lawyers: Keep all case files organized and encrypted Have your important documents with you at all times: - Never lose an important document again, keep everything organized - Store PDFs, notes, images, bookmarks, just about any type - File your documents in groups, even more than one group at a time - Use tags, mark documents with flags or as unread, give them a star rating - Versioning lets you return to a previous state of a document - Revision-proof databases prevent edits to documents with special requirements - Sync your data between Macs, iPads, and iPhones, securely and privately Work with your documents: - Edit texts, Markdown files, or rich text documents - Annotate and edit PDFs with common tools - Make scans, scanned PDFs, or images searchable with the built-in, on-device OCR - Add custom, searchable metadata fields to enrich your documents Use generative AI: - Work with your favorite provider and model - Chat with your documents, analyze or summarize them - Transform text or extract text from images and even handwritten notes - Create new images from your data - Find documents using natural language with the AI-powered search assistant - Let the AI make order from chaos, rename documents, add tags, or label or rate them DEVONthink To Go is well-integrated with other apps: - Link to your documents from other apps with universal links - Access all your documents also through the Files app - Clip data from almost any app with the Clip to DEVONthink extension - Use drag-and-drop, inside DEVONthink To Go or between apps - Automate repetitive tasks with Shortcuts actions DEVONthink To Go is great standalone but also works perfectly with DEVONthink for Mac and across multiple devices. Synchronize your databases securely and privately over the local network or through a cloud service of your choice. You decide what data is synced, when, and where. Strong encryption makes sure that your data belongs to you, not to your service provider or us. Privacy policy: https://www.devontechnologies.com/r/privacy End user license agreement: https://www.devontechnologies.com/r/eula

Screenshots

TheBrain4 screens
DEVONthink To Go 44 screens

Verdict

The call

The clearest difference is iOS requirement: TheBrain at 15.0 against DEVONthink To Go 4's 26.0. On price, rating, review sentiment and ratings volume there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. TheBrain sells 2 in-app purchases, starting at $17.99 per month and DEVONthink To Go 4 sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for TheBrain against 4.7 for DEVONthink To Go 4. Both are backed by a comparable volume of ratings — 173 and 260 respectively. Written reviews are what separate them: 44% of TheBrain's written reviews are positive against 39% of DEVONthink To Go 4's.

UpkeepUpdate frequency

TheBrain ships an update fortnightly, DEVONthink To Go 4 every 3 weeks. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.

Scorecard1 real difference · 9 level
TheBrain versus DEVONthink To Go 4: the parameters behind the verdict, then further details
ParameterTheBrainDEVONthink To Go 4
PriceFreeFree
Rating4.8 (173 ratings) — better4.7 (260 ratings)
Positive reviews44.3% of reviews — better39.4% of reviews
Number of ratings173260 — better
Update frequencyFortnightly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better26.0
Further details — not scored
Size254 MB193 MB
Age rating4+17+
DeveloperTheBrain Technologies LPDEVONtechnologies, LLC

Customer experience

TheBrain

All ratings172 ratings
Positive97.1%
Neutral0.6%
Negative2.3%
Written reviews176 reviews
Positive44.3%
Neutral13.6%
Negative42.0%

DEVONthink To Go 4

All ratings242 ratings
Positive92.6%
Neutral2.5%
Negative5.0%
Written reviews33 reviews
Positive39.4%
Neutral21.2%
Negative39.4%

Bugs and requests

TheBrain

Reported bugs

5 issues
  • Crashes on iOS 9
  • Inability to open brains
  • Freezing after each action
  • Login and account issues
  • Sync problems

Requested features

7 requests
  • Offline mode
  • Improved mobile UI and UX
  • Better integration with other apps
  • More affordable pricing options
  • Enhanced search and filtering
Show 2 more
  • Split-screen support on iPad
  • Handwriting and stylus support

DEVONthink To Go 4

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

TheBrain

Subscriptions2
  • TheBrain Pro Monthly$17.991 Month
  • TheBrain Pro Annual$189.991 Year
2 purchases

DEVONthink To Go 4

Subscriptions2
  • Monthly1 Month trial$2.991 Month
  • Yearly1 Month trial$19.991 Year

Questions

Is TheBrain free?
TheBrain is free to download, with in-app purchases available.
Is DEVONthink To Go 4 free?
DEVONthink To Go 4 is free to download, with in-app purchases available.
Which has better reviews, TheBrain or DEVONthink To Go 4?
TheBrain is rated higher. TheBrain averages 4.8 out of 5 from 173 ratings, while DEVONthink To Go 4 averages 4.7 from 260 ratings.
Do TheBrain or DEVONthink To Go 4 have ads?
Neither TheBrain nor DEVONthink To Go 4 shows ads.
Which is updated more often, TheBrain or DEVONthink To Go 4?
TheBrain ships an update fortnightly, and DEVONthink To Go 4 every 3 weeks. Most recently, TheBrain was updated on November 6, 2026 and DEVONthink To Go 4 on November 8, 2026.

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