ChatPDF
ChatGPT
Perplexity.ai
Obsidian
Claude AI
Humata AI
elicit
AI-first notebook by Google, available in the U.S., blends large language models and user-chosen data. Apply for access to explore intelligent insights and enhance your note-taking experience.

Glimpse
Google Trends
Treendly
Trends.co
Trends.vc
Trends Everywhere
Ideabrowser.com
Get inspirations for blog posts, startup projects, cocktail conversations and beyond on Trennd, the one-stop aggregator for emerging search and social trends.

Which is more popular?
Based on our record, Exploding Topics should be more popular than NotebookLM. It has been mentioned 30 times since March 2021.
Website, pricing, platforms and company facts side by side.
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NLM
NotebookLM
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| Website | notebook.google.com | explodingtopics.com |
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What each product offers, as listed by its team.

Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.

Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Exploding Topics is recommended for marketers, entrepreneurs, product developers, and business strategists who are looking to gain a competitive edge by identifying and leveraging upcoming trends. It's also useful for investors seeking to understand potential growth areas in various markets.
Walkthroughs and reviews on video.
Google made a new AI note app - NotebookLM review
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Here's The Deal With Exploding Topics
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using NotebookLM and Exploding Topics. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Gemini Notebook only generates content based on your sources and will not hallucinate or provide false or unrelated information. I cannot overemphasize the importance of this platform while following through with this certification... - Source: dev.to / about 1 month ago
You just need a few summaries occasionally. Standing up Ollama, a model, and an extraction pipeline to summarize five PDFs is overkill. If privacy isn't the constraint, a free web tool does it in seconds — ChatPDF and NotebookLM if you... - Source: dev.to / 2 months ago
Last year I was heavily into Perplexity but for most of 2026 I've actually been using NotebookLM a lot more. Perplexity is still useful for just daily news, but when I want to research, when I want to summarise, when I want to learn...... - Source: dev.to / 4 months ago
Check out: https://explodingtopics.com/ (not related to them in any way). - Source: Hacker News / over 1 year ago
Sounds pretty similar to the situation I found myself in. I discovered a few newsletters/tools: trending insights (free), exploding topics ($39/mo), and trends.co ($300/ yr). Source: about 3 years ago
I also recommend subscribing to newsletters like new venture weekly (free) or Exploding Topics (freemium) for business ideas. Source: about 3 years ago
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