PureRef vs Eagle: What Is the Difference? (2026)

PureRef and Eagle solve two different problems. PureRef is a canvas overlay: you drag images onto a floating board and keep it on screen while you work in a painting or 3D app. Eagle is a searchable library manager: you import thousands of files with tags, folders, and color search so you can find any reference on demand. One arranges references for a session. The other organizes references for a career.

By refern | Last updated: June 2026

How PureRef works

PureRef (from Idyllic Pixel AB, Stockholm) gives you an infinite floating canvas. You drag images directly from a browser or file explorer, position them freely, and the board stays visible on top of any other application while you work. It is the standard reference overlay tool in concept art, 3D modeling, and illustration.

Core capabilities: always-on-top window with the option to pin above one specific app, transparent-to-mouse mode that lets you color-pick from references into Photoshop or Clip Studio without switching windows, freehand drawing and shapes on the canvas, rich-text notes, groups to cluster images, and GIF playback with frame scrubbing added in v2.0. [pureref.com/handbook/features]

What PureRef does not have: no search, no tags, no file library, no cross-project database, no browser extension. The PureRef official handbook confirms this explicitly. Each .pur file is a self-contained board. An artist who collects references over years has no way to search across past boards. This limitation has been an open feature request on the PureRef forum since at least 2022, and it has not shipped as of v2.1.3 (June 2026). [pureref.com/forum/read.php?3,2698]

Pricing (as of 2026): Personal non-commercial use is pay-what-you-want (suggested $7 or $15, including $0). Commercial use requires the Small Business license at $49 one-time (up to 3 seats). Business teams pay $10 per seat per month or $8 per seat per month billed annually. [pureref.com/download.php] Platforms: Windows, macOS, Linux.

How Eagle works

Eagle (en.eagle.cool, developed by a Taipei-based team) imports your files into its own .library folder and indexes them in a local database. The library persists across all your projects, and every image you have ever imported is searchable by name, tag, color, rating, type, or date.

Core capabilities: hierarchical folders, tags with auto-inheritance from parent folders, smart folders (saved filter queries that auto-populate), full-text search, color search by hex or visual picker, ratings (1 to 5), color labels, and native preview for 99 to 108 file formats depending on platform. Formats covered include images, video, audio, fonts, PDF, 3D files (GLB, STL), and design source files (PSD, AI, Sketch, Affinity). A plugin center adds community tools including AI-powered auto-tagging (AI Action plugin, announced March 2026 for Eagle 4.0) and natural language library control (Eagle MCP/Skill plugin). [en.eagle.cool]

What Eagle does not have: no canvas or moodboard mode, no always-on-top overlay, no freehand drawing on a board, no relationship graph, no Linux support. Eagle's support page confirms no Linux client exists or is currently planned. [en.eagle.cool/support/article/is-eagle-client-available-for-linux]

One important structural note: Eagle copies every imported file into its .library folder. Users who import an existing collection end up with double the disk usage. Eagle's own FAQ acknowledges this as a common question ("Why does the Eagle library take up more disk space than the actual files?"). [alternativeto.net/software/eagle-cool/about]

Pricing (as of 2026): $34.95 one-time, 2 device activations, lifetime updates, 30-day free trial. Additional devices cost $17.50 each. Student and educator discounts were discontinued on May 13, 2026. [en.eagle.cool/store] Platforms: Windows and macOS only.

PureRef vs Eagle: side-by-side

Why artists often use both

The most common setup is PureRef plus Eagle together. An artist opens Eagle to search and find reference images from past projects, drags the relevant ones into PureRef to build an active session board, works in Photoshop or Blender with PureRef floating on top, then archives or clears the board when the project ends. Eagle provides the searchable archive. PureRef provides the working overlay.

Neither tool handles both phases. PureRef cannot tell you where a specific image lives in your collection. Eagle cannot float a curated board above your painting app.

How refern fits into this

For artists who want one app instead of two, refern is a desktop reference manager that combines the library and the canvas in a single tool.

refern is a desktop reference manager for artists that combines Eagle-style organization with a PureRef-style infinite canvas and an Obsidian-style relationship graph. It costs $30 one-time, runs on Windows, macOS, and Linux, and does not copy your files.

The library has full-text search, 14-plus inline operators, color search, visual similarity search, hierarchical tags, tag groups, smart folders, and a relationship graph view. The canvas has infinite layers, groups, shapes, freehand drawing, image filters, non-destructive crop, and an always-on-top pin with transparency and click-through mode. refern indexes your existing folder in place and never copies or moves your files.

Honest gaps: refern launched June 2026, so its community is smaller than Eagle's or PureRef's. It does not match Eagle's 108-format preview breadth or its plugin ecosystem, has no font management, and cloud sync is planned for a future phase but not yet shipped. PureRef remains the simpler, lighter choice for a single-session canvas with no library overhead, and it is free for personal use where refern costs $30.

For a full comparison, see refern vs Eagle and refern vs PureRef. To explore alternatives, see best Eagle alternatives and best PureRef alternatives.