DEVONthink To Go 4 vs Leaving?
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
Leaving?
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You're already out the door when it hits you — your keys are still on the counter. Leaving? is the quiet safety net that catches it: the moment you step out, it reminds you to grab the things you actually need. HOW IT WORKS • Draw a circle around a place — home, work, the gym, a friend's. • List what you shouldn't leave without: keys, wallet, wife, laptop, badge, gym bottle… anything. • When you leave, a notification names exactly those things. Different place, different list. THE MOMENT YOU LEAVE — NOT TEN MINUTES LATER Optionally use a place's Wi-Fi as the signal. The instant your phone drops off that network, you're reminded — usually before GPS even notices, and it works in a lift or basement where GPS can't. Prefer plain GPS? That works on its own too. SMART ENOUGH TO STAY QUIET If it looks like a GPS wobble — say you're still on your home Wi-Fi — it stays quiet instead of crying wolf. Every departure, and every time it chose to stay quiet, is logged in History, so you can always see it working and trust it. SEE WHICH WAY AND HOW FAR Realise you left something behind? While you're out, the status screen shows a compass pointing back toward your nearest place, with how far away it is and the direction to head. PRIVATE BY DESIGN No account. No sign-up. No servers. Nothing you type ever leaves your phone. It doesn't follow you or record where you go — it only watches the edges of the circles you drew, which is exactly why it barely touches your battery. Set it up once. Walk out with everything.
Screenshots
Verdict
The clearest difference is in-app purchases: Leaving? at none against DEVONthink To Go 4's 2. On price, update cadence, ads and device support 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. Leaving? asks for nothing beyond the download.
DEVONthink To Go 4 ships an update every 3 weeks, Leaving? monthly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | DEVONthink To Go 4 | Leaving? |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (258 ratings) — better | — |
| Positive reviews | 39.4% of reviews | — |
| Number of ratings | 258 — better | — |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 26.0 | 26.0 |
| Further details — not scored | ||
| Size | 193 MB | 4 MB |
| Age rating | 17+ | 4+ |
| Developer | DEVONtechnologies, LLC | Ram Steenhaut |
In-app purchases
DEVONthink To Go 4
- Monthly1 Month trial$2.991 Month
- Yearly1 Month trial$19.991 Year
Leaving?
No in-app purchases









