
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
ReadPaper Importer records 0 monthly visits with — month-over-month growth and Free pricing. WisPaper records 107,817 monthly visits with +0.1% growth and Freemium pricing.
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | chromewebstore.google.com | wispaper.ai |
| Pricing Model | Free | Freemium |
| Monthly Visits | 0 (0) | 107.82K (107,817) |
| MoM Traffic Delta | 0 (—) | +116 (+0.1%) |
| Primary Market & Share | 🌐 Global (—) | 🇨🇳 China (41.5%) |
| Direct Visits / mo | 0 | 30.49K |
| User Rating | 4.5 | 4.3 |
| Supported Platforms | Browser Extension | Website |

Save academic PDFs to your ReadPaper library straight from the browser
The extension senses PDF files as you browse journals, preprint servers and course pages, and imports them to your ReadPaper account with a single click.
Every imported paper lands in a library you can sort into folders and tag, so related work stays grouped and easy to find again.
Read papers inside an AI-assisted reader that is designed to speed up comprehension of dense academic text.
Structured metadata and knowledge-graph search help you explore papers across fields and follow connections between them.

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 sidebar and browser agent for reading, writing and research
AI sidebar and browser agent for reading, writing and research
AI research assistant for evidence-based literature review and synthesis
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
Highlight the web, learn in public, and build your AI clone
Highlight the web, learn in public, and build your AI clone
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