A leading conversational AI search engine with inline citations, but lacks built-in slide and mind map creation.
A leading conversational AI search engine with inline citations, but lacks built-in slide and mind map creation.
Felo records 1,913,881 monthly visits with +14.3% month-over-month growth and Freemium pricing. Heuristica records 239,033 monthly visits with -22.5% growth and Freemium pricing.

AI concept maps, flashcards and study tools in one place
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | felo.ai | heuristi.ca |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 1.91M (1,913,881) | 239.03K (239,033) |
| MoM Traffic Delta | +239.11K (+14.3%) | -69.25K (-22.5%) |
| Primary Market & Share | 🇯🇵 Japan (14.2%) | 🇮🇶 Iraq (42.8%) |
| Direct Visits / mo | 727.77K | 65.85K |
| User Rating | 4.3 | 4.2 |
| Supported Platforms | Website | Website |
Free multilingual AI search engine with built-in creation tools
Ask questions in your own language and get answers synthesized from sources in many other languages, with citations included.
Turn a prompt or an answer into structured slides and mind maps without leaving the search workspace.
Draft long-form docs and generate images from the same interface used for research.
Condense long videos into readable summaries and translate content across languages.

AI concept maps, flashcards and study tools in one place
Build a visual canvas of connected ideas from a prompt, document, video, or podcast, then branch topics out as far as you need.
Convert notes, PDFs, videos, or a concept map into flashcards with spaced repetition and multi-format quizzes with instant feedback.
Bring in PDFs, YouTube videos, podcasts, websites, and academic sources like PubMed and arXiv, with transcripts and summaries generated automatically.
Chat with models such as ChatGPT, Claude, and Gemini, apply custom instructions or saved prompts, and turn answers into study materials.
A leading conversational AI search engine with inline citations, but lacks built-in slide and mind map creation.
A leading conversational AI search engine with inline citations, but lacks built-in slide and mind map creation.
SpecialistAn AI-powered visual workspace where teams think, plan, and build together
SpecialistAn AI-powered visual workspace where teams think, plan, and build together

SpecialistFocuses heavily on generating styled presentations and web pages from text prompts, excelling at visual output over search.
SpecialistFocuses heavily on generating styled presentations and web pages from text prompts, excelling at visual output over search.

An all-in-one AI platform combining agentic search, deep research, and versatile content generation tools.
An all-in-one AI platform combining agentic search, deep research, and versatile content generation tools.
Gamifies flashcard creation and quiz generation from PDFs and videos, making study sessions more engaging for students.
Gamifies flashcard creation and quiz generation from PDFs and videos, making study sessions more engaging for students.
A multilingual AI search engine offering synthesized web and academic answers, similar in its research-focused capabilities.
A multilingual AI search engine offering synthesized web and academic answers, similar in its research-focused capabilities.

Generates interactive flashcards and quizzes from course materials, but lacks Heuristica's advanced visual concept mapping canvas.
Generates interactive flashcards and quizzes from course materials, but lacks Heuristica's advanced visual concept mapping canvas.
Combines source collection, web research, and generative tools for writing, mind maps, and presentation slides.
Combines source collection, web research, and generative tools for writing, mind maps, and presentation slides.
Turn any material into notes, flashcards, quizzes, and podcasts.

Transforms study notes into structured concept maps and flashcards, focusing heavily on visual learning and mind mapping.
Transforms study notes into structured concept maps and flashcards, focusing heavily on visual learning and mind mapping.

Quickly summarizes documents and lectures into study guides, offering a broader suite of AI tutoring features.
Quickly summarizes documents and lectures into study guides, offering a broader suite of AI tutoring features.
AI study tools plus free A-Level and GCSE exam prep
AI study tools plus free A-Level and GCSE exam prep