# Zotero review (2026): is the free plan enough? > Free, open-source reference manager from a nonprofit Checked Nov 12, 2026 ยท graded Nov 12, 2026 by ToolGPA. Zotero is a reference manager that saves papers, web pages and books as you browse, organizes them into collections and tags, and builds citations and bibliographies. The software is free; paid plans only add file storage for syncing. It is run by a nonprofit and its source code is open. - **Category:** AI Research Tools - **Made by:** Corporation for Digital Scholarship - **Website:** https://www.zotero.org - **Runs on:** macOS, Windows, Linux, iOS, Android - **Who should skip it:** Skip it if you want AI summaries or chat, as none is described on its pages. - **Facts last checked:** Nov 12, 2026 ## Pricing As of Nov 12, 2026, Zotero has a free plan, and paid plans start at $20 per year for 2 GB of file storage. - **Pricing model:** Free plan - **Free plan:** The app is free; syncing files uses 300 MB of free storage. Group libraries draw on the group owner's storage. - **Free trial:** None listed. | Plan | Price | What you get | | --- | --- | --- | | Free | $0 | The full app, with 300 MB of file storage for syncing PDFs, images and snapshots. | | 2 GB | $20 per year ($1.67 per month) | 2 GB of file storage. | | 6 GB | $60 per year ($5 per month) | 6 GB of file storage. | | Unlimited | $120 per year ($10 per month) | Unlimited file storage. | Read from https://www.zotero.org/storage on Nov 12, 2026. Prices change, so confirm with Zotero before buying. ## Key features - **Collect from the web:** Zotero senses articles, books and news stories on pages you browse and saves the full reference with one click. - **Collections, tags and saved searches:** Sort items into collections, tag them with keywords, or create saved searches that fill automatically as you add material. - **Citations in your editor:** Inserts references and bibliographies in Word, LibreOffice and Google Docs, with more than 9,000 citation styles. - **Optional sync:** Syncs your library and files across devices, and lets you open your research from any web browser. - **Shared libraries:** Share a library with as many people as you like at no cost, for co-writing or course materials. - **Open source:** The vendor describes Zotero as open source and run by a nonprofit with no financial interest in your data. ## Good for - Students and researchers who want a free reference manager - People who work across Windows, Mac, Linux and mobile - Groups building a shared bibliography at no cost ## Worth knowing - Only 300 MB of file storage is free; larger PDF collections need a paid storage plan. - The pages read for this entry describe no built-in AI chat or summarizing feature. - Paid plans buy storage only; every feature of the app is already in the free version. ## ToolGPA grades **GPA: 2.8 out of 4**, graded Nov 12, 2026. Zotero is a free, open-source reference manager from a nonprofit that collects, organizes and cites sources. Only 300 MB of file storage is free, and the pages we read describe no built-in AI chat or summaries. - **Value for money: A.** The app is free and open source, with every feature in the free version. Paid plans only buy storage: $20 a year for 2 GB, $60 for 6 GB and $120 for unlimited. - **Free plan and trial: B.** The full app is free, with 300 MB of synced file storage. A few hundred PDFs will go past that, but you can use it unsynced. - **Features: C.** Collects from the web, collections, tags, saved searches, citations in your editor, sync and shared libraries. As an AI research tool it has a gap, since no built-in AI chat or summaries are described. - **Ease of use: C.** No store rating on record. You install the app, a browser connector and a word processor plug-in, and learn collections and tags. - **Platforms and integrations: B.** Mac, Windows, Linux, iPhone and Android, with Word, LibreOffice and Google Docs. These are ToolGPA's own grades. Graded from this listing, whose facts were read from Zotero's own pages on 12 November 2026. Not based on using the product, and shorter than our full reviews. ## Where it stands among AI research tools - Zotero's GPA of 2.8 is higher than 41 of the 49 other AI research tools we grade, and level with 6. - It stands best on value for money (A, above 44 of 49) and worst on features (C, above 1). - Its paid plans start at $1.67 a month when paid by the year, against a middle price of $10 for the category: 0 of the 35 others that charge start lower. - On features, ease of use and platforms it scores 2.3 out of 4. 2 tools score higher and cost less. The category's chart of price against score: https://toolgpa.com/charts/ai-research ## Keep it, or make your own? **Keep it.** To replace Zotero you would be making a library of papers and sources to search. That is not a weekend's work, with an AI app builder or without one. It is one of the better ones too: its GPA of 2.8 is higher than 41 of the 49 other AI research tools we grade. It costs $20 a year. Zotero is open source, so there is a third way: take its code and run it yourself. - You could make: Web clipper and highlights: an app builder makes these well. - You could not: A library of papers and sources to search. - You could not: Files kept in step across devices without losing one. - You could not: Citation records for millions of papers. - You could not: Apps for macOS, Windows, Linux, iOS and Android that stay in step with each other. - You could not: Sharing with other people, which means accounts and invitations. A judgement by ToolGPA from this listing, by rules that are the same for every tool. Nothing was built to test it. ## Works with Microsoft Word, LibreOffice, Google Docs **Tags:** Open source, Citations, Research, Web clipper, File sync, Highlights ## Alternatives - [Mendeley](https://toolgpa.com/tools/mendeley): Reference manager from Elsevier, with paid AI add-ons. [Compare](https://toolgpa.com/compare/mendeley-vs-zotero) - [Paperguide](https://toolgpa.com/tools/paperguide): AI research platform for literature and systematic reviews. [Compare](https://toolgpa.com/compare/paperguide-vs-zotero) - [Anara](https://toolgpa.com/tools/anara): AI research assistant that cites the exact source passage. [Compare](https://toolgpa.com/compare/anara-vs-zotero) - [Keenious](https://toolgpa.com/tools/keenious): Academic search that recommends papers from your own text. [Compare](https://toolgpa.com/compare/keenious-vs-zotero) ## Sources The prices, plans, platforms and features above were read from these pages on Nov 12, 2026: - https://www.zotero.org/ - https://www.zotero.org/storage - https://www.zotero.org/download/ - https://www.zotero.org/about/ Page: https://toolgpa.com/tools/zotero Listed by ToolGPA (toolgpa.com).