
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
Hint records 20,394,530 monthly visits with +15.3% month-over-month growth and Free Trial, Paid pricing. WisPaper records 107,817 monthly visits with +0.1% growth and Freemium pricing.

Screen thousands of papers down to the studies that matter
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | hint.app | wispaper.ai |
| Pricing Model | Free Trial, Paid | Freemium |
| Monthly Visits | 20.39M (20,394,530) | 107.82K (107,817) |
| MoM Traffic Delta | +2.71M (+15.3%) | +116 (+0.1%) |
| Primary Market & Share | 🇺🇸 United States (34%) | 🇨🇳 China (41.5%) |
| Direct Visits / mo | 1.65M | 30.49K |
| User Rating | 3.8 | 4.3 |
| Supported Platforms | Website | Website |
Your personal guide to modern astrology
Enter your birth details and Hint explains your planetary placements in a long-form reading covering personality, strengths, challenges, relationships, and timing.
Daily horoscopes score six areas such as love, career, energy, luck, and travel, based on your individual chart rather than your sun sign alone.
Compare two charts to see where a connection flows naturally and where tension may appear, with section scores and synastry notes.
Ask a professional astrologer about a relationship, career move, or decision, with the reading grounded in your chart.

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
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

Offers detailed life strategy reports and birth chart computations, but lacks professional human astrologer consultations.
Offers detailed life strategy reports and birth chart computations, but lacks professional human astrologer consultations.
SpecialistFree astrocartography maps with AI-assisted location readings
SpecialistFree astrocartography maps with AI-assisted location readings