
A free, AI-powered academic search engine for 240M+ papers across every scientific field
A free, AI-powered academic search engine for 240M+ papers across every scientific field
Paper Digest records 97,202 monthly visits with -7.1% month-over-month growth and Freemium pricing. WisPaper records 107,817 monthly visits with +0.1% growth and Freemium pricing.
AI-powered platform to read, write, and stay current with research
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | paperdigest.org | wispaper.ai |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 97.2K (97,202) | 107.82K (107,817) |
| MoM Traffic Delta | -7.42K (-7.1%) | +116 (+0.1%) |
| Primary Market & Share | 🇺🇸 United States (31.4%) | 🇨🇳 China (41.5%) |
| Direct Visits / mo | 25.79K | 30.49K |
| User Rating | 4.5 | 4.3 |
| Supported Platforms | Website | Website |
AI-powered platform to read, write, and stay current with research
Reviews the most influential work around a topic and attaches citations to generated sentences, with many literature review examples available.
Free daily digests of arXiv, PubMed, bioRxiv and clinical trials, sorted by potential impact and delivered by area or keyword.
Read PDF articles with instant answers, and write, edit, cite and explain articles with a few clicks.
Generate domain-specific research reports and verify academic claims against supporting evidence.

Screen thousands of papers down to the studies that matter
Rapidly screen a large pool of candidate papers down to a small set of core studies, so you skip the reading you do not need to do.
Search academic literature by topic and get AI-ranked results that surface the most relevant work for your research question.
Follow research trends and see what is newly published from major journals and venues, so you stay current in your field.
Browse personalised AI Feeds that adapt to your interests and research area over time.

A free, AI-powered academic search engine for 240M+ papers across every scientific field
A free, AI-powered academic search engine for 240M+ papers across every scientific field

AI academic search engine for peer-reviewed science

AI research platform for reading, understanding and writing scientific papers
AI research platform for reading, understanding and writing scientific papers
AI research assistant for evidence-based literature review and synthesis
The AI workspace where researchers read, write, and cite with every claim traceable to its source
The AI workspace where researchers read, write, and cite with every claim traceable to its source
AI-assisted systematic review software for screening, extraction, and evidence synthesis at scale
AI-assisted systematic review software for screening, extraction, and evidence synthesis at scale
AI answers grounded in 300M+ scholarly full texts
AI answers grounded in 300M+ scholarly full texts

Map the literature around the papers you love—free
Map the literature around the papers you love—free
Explore the academic literature as a visual graph of related papers
Explore the academic literature as a visual graph of related papers
AI-native workspace for literature reviews and auditable systematic reviews
AI-native workspace for literature reviews and auditable systematic reviews

AI research tools and expert publication services in one place
AI research tools and expert publication services in one place

Turn research papers and articles into interactive summary flashcards
Turn research papers and articles into interactive summary flashcards