247+ iOS apps curated and reviewed
Looking for free research paper organizer apps? 19 of our 247+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.5★ (129) | No | No | May 2026 |
| 2 |  | Free | 5.0★ (1) | Yes | No | Aug 2026 |
| 3 |  | Free | 3.7★ (551) | No | No | Jul 2026 |
| 4 |  | Free | 4.6★ (45K) | No | Yes | Aug 2026 |
| 5 |  | Free | 4.6★ (420) | No | No | Aug 2026 |
| 6 |  | Free | 4.8★ (13) | No | Yes | Aug 2026 |
| 7 |  | Free | — | Yes | No | Aug 2026 |
| 8 |  | Free | 4.8★ (908) | No | Yes | Aug 2026 |
Organize and manage your research papers effortlessly. Collect, read, and annotate PDFs from millions of academic journals. Beat paper chaos with a tidy digital library.
Organize, edit, and manage your PDF documents locally on your device. Create custom categories, use color tags for important files, and combine or extract pages. Extract text from scans and images using OCR, and annotate directly on PDFs.
Manage, read, and discover research literature on your mobile devices. Annotate PDFs, organize your library with custom lists and tags, and receive personalized recommendations for new papers. Syncs seamlessly with desktop and web applications.
Create custom digital notebooks with a vast library of stationery or import your own PDFs for annotation. Write naturally with a stylus and organize your notes with dynamic features like live planners and searchable handwriting.
This research tool helps you collect, organize, annotate, cite, and share your academic and professional work. Save articles, books, and webpages, add notes and highlights, and generate bibliographies in thousands of styles. Collaborate with others and sync your library across devices.
This AI-powered assistant helps students and researchers analyze academic papers, extract insights, and improve their writing. It offers smart summaries, citation management, and note-taking tools to streamline the research process.
Access over 250 million research papers, including open access and preprints, with personalized feeds and curated reading lists. This app simplifies literature searches and helps you stay updated on academic research.
Design and generate custom line or dotted grid paper. Choose from various paper sizes, styles, colors, and margins. Save as PDF or print your unique designs.
Organize and manage all your important documents, from PDFs and Word files to photos and scanned receipts. Easily categorize, search, and secure your files with cloud backup options.
Streamline your device's storage and contacts. This utility app helps you merge duplicate contacts, remove redundant photos, and identify large files taking up space. It offers a quick and easy way to declutter your phone.
Access and organize academic papers from top research databases. Get personalized daily feeds, AI summaries, and journal tracking. Save, share, and export citations for your research library.
Easily create notes and set reminders with specific times and dates. Save important information for quick access without any time constraints. Supports English and Bulgarian languages.
Transform your phone into a digital filing cabinet for all your important documents. Easily scan, import, and organize bills, warranties, IDs, and more with smart categorization and powerful search.
This app provides a local-first PDF workspace for creating, merging, organizing, and protecting documents on your iPhone and iPad. It allows you to scan paper, convert photos to PDFs, recognize text, and manage your files securely.