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DEVONthink 4

Research database for documents, mail and scans that stays yours

Price: $99 once

Paid upgradesMajor versions cost again

Buy direct Website

Price read on devontechnologies.com, the page Buy direct opens.

The catch

Updates stop after a year unless you pay to extend; the version you have keeps working forever

The full picture

The included year of updates is the thing to understand before buying: when it lapses your licence still never expires and the app is never restricted or deactivated, but you stay on the last version you received unless you pay to extend. The iOS companion, DEVONthink To Go, is a separate purchase - Pro includes five mobile seats and Server 25. Sync is bring-your-own (iCloud, Dropbox, WebDAV or local Bonjour), which is good for privacy and more setup work for you.

Pays back in
10 months
Seats
2 Macs
Developer account
None needed
Buy once$99Rent 5 years$600

$501 kept over five years, and you still have the app.
Against Readwise at $120 a year, full plan including Reader, at $9.99 a month billed annually. Also replaces Evernote and Notion.

What it looks like

DEVONthink 4: The DEVONthink 4 main window over a green background, 2000x2000: toolbar with search field, item list of a 'Demo' database showing PDF+Text records with Modified/Kind/Size columns, a PDF open in the viewer below with the annotation toolbar, and the right-hand inspector on the Graph tab drawing the See Also / Tags connection map around the selected document.
The DEVONthink 4 main window over a green background, 2000x2000. Vendor site (devontechnologies.com/apps/devonthink)
DEVONthink 4: The main window with the full left sidebar visible, 2000x2000: Globals (Global Inbox, Tags, Trash), Open Databases list with badge counts, and Smart Rules (Reminders, Automatic Locking, Filter Duplicates, Bates Numbering, etc.); item list of a 'Project Save the Ocean' group; a Markdown document open in the editor below with its formatting toolbar and word/character count. The window is cropped at the right edge of the square image.
The main window with the full left sidebar visible, 2000x2000. Vendor site (devontechnologies.com/apps/devonthink)
DEVONthink 4: Captioned on the vendor page as the automation / smart rules configuration screen. Fetched and confirmed to be a 194 KB JPEG; I did not open this one to look at it, unlike the two above.
Captioned on the vendor page as the automation / smart rules configuration screen. Vendor site (devontechnologies.com/apps/devonthink)

Images belong to their developers.

What you’re buying

DEVONthink is a database for the documents you expect to need again in five years: scanned contracts, papers, saved web pages, exported email, plain-text notes. It OCRs what comes in, indexes the full text, and its "see also" feature keeps surfacing items you had forgotten were connected — that is the part people stay for. You can import files into a database or index a folder in place and leave your existing structure untouched.

The licence is why it belongs on this site. Ninety-nine dollars for Standard buys the app on two Macs plus a year of updates. When that year ends, nothing is taken away: the app keeps running, the databases keep opening, the licence is never deactivated. You simply stay on the last version you were sent until you decide to pay $49 to move forward again, and you are free to skip years.

It is not a light app. The interface is dense, the concepts — databases, groups, replicants, smart rules — take a weekend to sit with, and sync runs over your own iCloud, Dropbox or WebDAV rather than a hosted service you can blame. If what you actually want is a notes app with backlinks, this is the wrong shape and you will fight it. If you have a decade of files and no way to search across them, nothing else on the Mac does this job as thoroughly.

What owners report

Points that recur across the discussions below. A report of what users say, not our verdict: we don’t review software.

Praised

  • Search is what owners say keeps them: boolean and proximity queries that land on the occurrence inside a PDF, which several report finding nowhere else.
  • People with databases ten and fifteen years old describe their working life as sitting on top of it, and say nothing else has earned that much trust.

Criticised

  • The interface draws complaints in every thread, described as unchanged for years and dated beside newer Mac apps, and owners note version 4 did not address it.
  • Several describe buying it, failing to fit it into how they actually work and going back to something simpler, naming the concepts and the documentation as where they stalled.

Details

The price in full

One-time: Standard $99, Pro $199, Server $499. Every licence covers two Macs and includes one year of updates. Extending updates later costs $49 / $99 / $149 a year, cheaper if prepaid (Standard: $44 for one year, $79 for two, $104 for three, when extended before the current window ends). Extra seats and academic discounts available. Trial is 30 days or 150 hours of runtime, whichever is longer.

The DEVONthink 4 page at devontechnologies.com
The developer’s own page. devontechnologies.com, captured 22 Sep 2026
Free trial
Yes
Works offline
Yes
Apple Silicon
Native
On Setapp
No
Minimum macOS
not stated
Developer
DEVONtechnologies

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