DEVONthink To Go 4 vs heaper
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
heaper
Organize notes, files, and tasks using a flexible tag-based system. Create a network of knowledge with cross-linking and choose offline-first or cloud syncing. Self-hosting options provide full data control and privacy.
- Flexible tag system for organizing content
- Cross-linking for creating knowledge webs
- Offline-first data storage
- Optional cloud syncing
- Self-hosting for data privacy
- Manage notes, files, images, and tasks
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Heaper is your flexible digital workspace for managing notes, images, documents, videos, and tasks - all in one place. Whether you’re writing, planning, researching, or organizing a creative project, Heaper lets you throw everything into one heap and organize it later with powerful tags. There are no folders to maintain - just blocks of content that you can freely tag and link. Tags provide a powerful yet simple way to organize even the biggest workspaces. Heaper works offline-first with optional syncing via the cloud and supports self-hosting for full control and privacy. Features • Flexible Tag System: Forget rigid folders. Tag anything - notes, files, images, links - and access it from anywhere. • Each Tag is its own document called a Block, add context to everything. • Cross-Linking: Create a web of knowledge with mentions and tag relationships. • Offline-first: Your data is saved locally and syncs when you’re online. • Self-Hosting Option: Use our cloud or host it yourself - your data, your rules. Ideal for: • Personal knowledge management (PKM) • Creative workflows and project planning • Task and goal tracking • Bookmarking, journaling, and archiving • Managing photos and research libraries Get started for free with no account required to it offline. Heaper is built by a solo developer passionate about organization and freedom, no lock-in, no bloat, just a sane fundament for you to manage your data.
Screenshots
Verdict
The clearest difference is review sentiment: heaper at 100% against DEVONthink To Go 4's 43%. heaper also leads on rating (5.0 vs 4.7) and iOS requirement (17.6 vs 26.0). DEVONthink To Go 4's advantage is ratings volume (226 vs 2). On price, update cadence, ads and in-app purchases 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
Both are free to download. DEVONthink To Go 4 sells 2 in-app purchases, starting at $2.99 per month and heaper sells 10 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
heaper holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: DEVONthink To Go 4 has 226 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 43% of DEVONthink To Go 4's written reviews are positive against 100% of heaper's.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 23, 2026 and September 25, 2026 respectively.
| Parameter | DEVONthink To Go 4 | heaper |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (226 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 42.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 226 — better | 2 |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 17.6 — better |
| Further details — not scored | ||
| Size | 191 MB | 78 MB |
| Age rating | 17+ | 4+ |
| Developer | DEVONtechnologies, LLC | Jan Vincent Lunge |
Customer experience
DEVONthink To Go 4
heaper
In-app purchases
DEVONthink To Go 4
- Monthly1 Month trial$2.991 Month
- Yearly1 Month trial$19.991 Year
heaper
- Heaper Core Monthly$4.991 Month
- Heaper Pro Monthly$9.991 Month
- Heaper Cloud Pro Monthly$14.991 Month
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- Heaper Ultra Monthly$39.991 Month
- Heaper Core Yearly$49.991 Year
- Heaper Cloud Ultra Monthly$59.991 Month
- Heaper Pro Yearly$99.991 Year
- Heaper Cloud Pro Yearly$149.991 Year
- Heaper Ultra Yearly$399.001 Year
- Heaper Cloud Ultra Yearly$599.001 Year








