R Discovery

R Discovery

Freemium

Mobile-first AI research discovery app with 300M+ papers, personalized reading feeds, audio streaming, translation, and Zotero sync for researchers on the go.

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What is R Discovery?

R Discovery is an AI-powered academic research reading app built by Cactus Communications (the same team behind Paperpal), trusted by over 25 million researchers across 190 countries with a 4.6+ star rating on both Google Play and the App Store. It indexes over 300 million academic papers including 40 million open access articles, 3 million preprints, 7.5 million patents, and 8 million research summaries across 32,000 journals, sourced from partners including PubMed, CrossRef, OpenAlex, Elsevier, Wiley, Springer Nature, SAGE, Taylor and Francis, Nature, NEJM, and BMJ. Users set their research topics and R Discovery's AI recommendation engine learns from reading habits to surface the most relevant daily papers in a curated feed, filtering out retracted papers, duplicates, and predatory content automatically. The Prime plan unlocks audio streaming (listen to paper titles and abstracts on the go), AI-powered translation into multiple languages, collaborative reading lists, and automatic Zotero and Mendeley sync. At just $3 per month or $25 per year, R Discovery Prime is among the most affordable premium research tools available, making it especially popular among researchers in emerging economies who benefit from parity pricing.

Key Features

AI Personalized Reading Feed300M+ Paper Database40M+ Open Access ArticlesDaily Research RecommendationsAudio Streaming of AbstractsAI Paper TranslationCollaborative Reading ListsZotero Auto-SyncMendeley Auto-SyncResearch Paper Summaries and HighlightsSmart Search with Advanced FiltersAsk R Discovery AI Q&AResearch In Shorts Quick SummariesNew Paper AlertsCurated Publisher ChannelsRetracted and Predatory Paper FilteringCitation Generation

How to Use R Discovery

1Download the R Discovery app on iOS or Android or visit discovery.researcher.life
2Create a free account and select your research topics of interest
3Browse your personalized daily feed of recommended papers
4Save papers to your library and sync with Zotero or Mendeley
5Upgrade to Prime to unlock audio streaming, translation, and collaborative reading lists

✅ Best For

  • Researchers who consume a lot of academic literature daily and want a mobile-first Spotify-style discovery feed that learns their interests and surfaces relevant new papers automatically, without requiring manual database searches.
  • Graduate students and academics in emerging economies who need a powerful, affordable research discovery tool, with R Discovery Prime at $3/month or $25/year being the most cost-accessible premium research app available.
  • Research teams and lab groups who want to share and co-curate reading lists collaboratively, staying aligned on the latest literature in their field without duplicating individual search efforts across team members.

❌ Not For

  • Researchers who need systematic literature review tools, structured data extraction, citation mapping, or writing assistance alongside their paper discovery, as R Discovery is a reading and discovery feed app rather than a full research workspace.
  • Users who work exclusively on desktop and need deep PDF annotation, full-text analysis, or citation insertion for manuscripts, since R Discovery is optimized for mobile reading and discovery rather than deep desktop-based research workflows.

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Pricing

Free$0
  • ✓Personalized reading feed
  • ✓daily recommendations
  • ✓basic search
  • ✓open access papers
Prime Monthly$3/mo
  • ✓Audio streaming
  • ✓AI translation
  • ✓Zotero and Mendeley sync
  • ✓collaborative lists
  • ✓full features
Prime Annual$25/year
  • ✓All Prime features at best per-month value
Prime Multi-YearFrom $4.97/mo
  • ✓2-3 year plans with locked-in pricing

Prompts to Try

Find the latest open access papers on antibiotic resistance in South Asian hospitals

Show me recent preprints on large language model hallucination in clinical settings

Recommend papers on gut microbiome and depression published in the last 6 months

Use Cases

A postdoctoral researcher in India uses R Discovery's personalized feed and Prime audio streaming to listen to paper abstracts during her 45-minute commute every morning, arriving at the lab already aware of that day's most relevant new publications in her field at a cost less than a cup of chai per month.
A PhD student in Nigeria uses R Discovery's AI translation feature to read key papers originally published in Mandarin, accessing research that would have been inaccessible without expensive translation services and expanding his literature review coverage by 15%.
A research group of eight students sets up a collaborative reading list on R Discovery for their shared protein engineering project, allowing every member to add and comment on papers in a shared library that auto-syncs to their group Zotero folder.
A science professor uses R Discovery's Research In Shorts feature to quickly assess whether 20 papers are relevant to his new grant proposal, spending 2 minutes per paper instead of 15, and identifying the 6 most relevant ones for deeper reading in an afternoon.
A clinical researcher uses Ask R Discovery to pose a specific factual question about recent drug interaction findings and receives a concise answer with links to verified source papers, getting a research-grounded response in seconds for a patient care decision.

Frequently Asked Questions