# Dupple > Dupple is a media and education company. Its 6 daily AI, tech and industry newsletters reach 920,000+ subscribers; it also publishes 470 software tool reviews and runs an AI training academy. Founded by Louis Corneloup. Read by professionals from OpenAI, Meta, Google, Apple, and Nvidia. Contact: techpresso@dupple.com ## Products - [Techpresso](https://dupple.com/techpresso): Free daily AI & tech newsletter with 770,000+ subscribers. 5-minute summary of the most important AI news, curated from 50+ sources. - [Dupple X](https://dupple.com/dupple-x): Premium bundle with AI Academy courses, $3M+ in SaaS deals, ad-free newsletters, and a private community. - [AI Academy](https://academy.techpresso.co): AI training platform with courses on ChatGPT, prompt engineering, AI tools for work, sales, marketing, and project management. - [Top Tools Directory](https://dupple.com/reviews): 470 reviews of AI and business software. Each review covers features, pricing, pros/cons, and alternatives. - [Deals](https://dupple.com/deals): Exclusive discounts on 570+ SaaS tools for Dupple X members. ## Newsletters 920,000+ subscribers across 6 daily newsletters, published by Dupple. - [Techpresso](https://techpresso.co): Daily AI and technology brief. 770,000+ subscribers, 37% open rate - [MarketingShot](https://marketingshot.com): Daily marketing brief. 35,000 subscribers, 32% open rate - [Finpresso](https://finpresso.com): Daily finance and fintech brief. 30,000 subscribers, 33% open rate - [Cyberpresso](https://cyberpresso.com): Daily cybersecurity brief. 27,000 subscribers, 28% open rate - [Devshot](https://devshot.co): Daily software development brief. 28,000 subscribers, 31% open rate - [AIpresso](https://aipresso.com): Daily artificial intelligence brief. 25,000 subscribers, 30% open rate - [HRpresso](https://hrpresso.com): Software reviews and guides on human resources - [Retailpresso](https://retailpresso.com): Software reviews and guides on retail and ecommerce - [CFOpresso](https://cfopresso.com): Software reviews and guides on finance leadership ## Tool reviews (partner programs) Editorial reviews with verified vendor pricing. Partner links are disclosed on the page. - [Granola](https://dupple.com/reviews/granola): AI meeting notes without a bot. First month free for new users via the partner link. - [Dub](https://dupple.com/reviews/dub): Link attribution and affiliate payouts. We use Dub on our own partner links. - [Cal.com](https://dupple.com/reviews/cal-com): Open-source Calendly alternative. - [Perplexity](https://dupple.com/reviews/perplexity): Research answers with citations. - [Peec AI](https://dupple.com/reviews/peec-ai): Track brand citations in ChatGPT and Perplexity. - [CodeRabbit](https://dupple.com/reviews/coderabbit): AI pull request review. - [Papermark](https://dupple.com/reviews/papermark): Share a deck and see who viewed it. - [Partner discounts](https://dupple.com/learn/ai-tool-discounts-2026): 17 new-customer discounts we can actually pass on. - [Reviews directory](https://dupple.com/reviews): Full index, clustered by job. - [Statistics hub](https://dupple.com/statistics): First-party Dupple datasets, including SEO and email marketing. ## Original research - [SaaS Pricing Benchmarks](https://dupple.com/learn/saas-pricing-index): Median lowest recurring price by category across 294 tools we price ourselves. Median $24/month against a mean of $58.69, so any average quoted without a median misleads by 2.4x - [How Much Software Hides Its Price](https://dupple.com/learn/software-pricing-transparency): 126 of 377 reviewed tools (33%) gate at least one pricing tier behind contact sales. Design tools 46%, sales tools 18% - [Which Software Bills Per Seat](https://dupple.com/learn/per-seat-vs-flat-pricing): Per-seat billing runs from 67% in HR tools to 5% in marketing tools across 310 tools. Software that manages people charges per person, software that produces output charges flat - [Newsletter Engagement by List Size](https://dupple.com/learn/newsletter-engagement-benchmarks): Click-to-open falls 4.8x from a 10,739 subscriber list to a 699,004 one, measured identically on one platform. Open rate does not follow the same pattern ## Learn - [17 AI and B2B tool discounts we can actually pass on](https://dupple.com/learn/ai-tool-discounts-2026): 17 real new-customer discounts on AI and B2B tools we review, including Granola's first month free, superwhisper 40% off, and Cal.com 20% off for a year - [Granola first month free: what the offer actually is](https://dupple.com/learn/granola-first-month-free): Granola's first month free via our partner link. Business is $14/user/mo after that. Read the review before you switch from Otter - [How to show up in ChatGPT and Perplexity answers](https://dupple.com/learn/how-to-show-up-in-chatgpt-answers): How to get cited in ChatGPT and Perplexity. Measure with Peec AI (30% off for six months), then fix the pages the models actually read - [How to run an affiliate program without a spreadsheet](https://dupple.com/learn/how-to-run-an-affiliate-program): How to run a partner program without a spreadsheet. We use Dub for our own links. 20% off for three months via the partner link - [Best Calendly alternatives in 2026](https://dupple.com/learn/best-calendly-alternatives): Calendly alternatives in 2026: Cal.com is the open-source pick (20% off for a year via our link), plus SavvyCal, TidyCal, and when you should stay on Calendly - [Best Bitly alternatives in 2026](https://dupple.com/learn/best-bitly-alternatives): Bitly alternatives in 2026: Dub is the attribution and affiliate pick (20% off for 3 months), plus Rebrandly and when a free shortener is enough - [9 Best ChatGPT Alternatives in 2026 (Compared)](https://dupple.com/learn/best-chatgpt-alternatives): 9 ChatGPT alternatives compared for 2026: Claude, Gemini, Perplexity, Copilot, DeepSeek, Grok, Mistral, Meta AI, and Poe, compared on price and real strengths - [The 7 Best AI Meeting Assistants in 2026](https://dupple.com/learn/best-ai-meeting-assistants): Best AI meeting assistants in 2026. Granola, Fathom, Fireflies, Otter, and Fellow compared, with pricing and the catches - [How to Use ChatGPT for Work](https://dupple.com/learn/how-to-use-chatgpt-for-work): How to use ChatGPT for work: emails, meeting prep, reports, project planning, and daily workflows. Includes prompts, privacy rules, and plan comparison - [How to Use ChatGPT for Sales](https://dupple.com/learn/how-to-use-chatgpt-for-sales): How to use ChatGPT for sales: prospecting, cold outreach, follow-ups, objection handling, proposals, and the prompts top reps use in 2026 - [How to Use Perplexity AI: A Complete Guide](https://dupple.com/learn/how-to-use-perplexity-ai): Learn how to use Perplexity AI for research, work, and everyday tasks. Covers Pro Search, Focus Modes, Spaces, and tips to get better answers - [10 Best AI for Coding in 2026 (Compared)](https://dupple.com/learn/best-ai-for-coding): The 10 best AI coding tools in 2026, compared. Claude Code, Cursor, Copilot, Codex, OpenCode, and more with real pricing and honest takes - [The AI stack I would give a solo founder in 2026](https://dupple.com/learn/solo-founder-ai-stack-2026): A small AI stack for solo founders in 2026: Granola, Perplexity, Dub, Fyxer, and Cal.com. Five tools, five jobs, no junk drawer - [How to take meeting notes without a bot](https://dupple.com/learn/how-to-take-meeting-notes-without-a-bot): How to get AI meeting notes without a notetaker bot in the call. Granola is the main pick. Krisp and Fathom have bot-free modes too - [How to Build an AI Agent: Beginner-Friendly Guide](https://dupple.com/learn/how-to-build-an-ai-agent): Learn how to build an AI agent from scratch: frameworks, tools, and step-by-step instructions. Covers LangChain, CrewAI, AutoGen, and no-code options ## Company - [About Dupple](https://dupple.com/about): Company overview, mission, and team - [Advertise](https://dupple.com/advertise): Advertise to 920,000+ subscribers across the Dupple newsletters - [Careers](https://careers.dupple.com): Open positions at Dupple - [Blog](https://dupple.com/blog): Company blog with industry insights ## Optional - [Learn Index](https://dupple.com/learn): Full index of 790 practical AI guides and tutorials - [Privacy Policy](https://dupple.com/privacy): Data protection and GDPR compliance - [Affiliate Disclosure](https://dupple.com/affiliate-disclosure): How affiliate links work on Dupple - [Editorial policy](https://dupple.com/editorial-policy): How reviews and guides are researched, dated and fact-checked, and how Dupple makes money - [How we rate](https://dupple.com/how-we-rate): Where review scores come from (editorial, user-attributed, or none) and how paid placements are disclosed - [Contact](https://dupple.com/contact): Email addresses for questions, corrections, advertising and privacy requests - [Corrections](https://dupple.com/corrections): How to report an error, and the log of substantive corrections - [For AI agents](https://dupple.com/for-agents): How assistants can use llms.txt, llms-full.txt, content-index.json and the sitemap - [Content index (JSON)](https://dupple.com/content-index.json): url, title, type, updated and summary for every review, guide, blog and statistics page - [Techpresso Archives](https://techpresso.co/archives/): Past newsletter issues - [Full AI tool and article index](https://dupple.com/llms-full.txt): Complete llms.txt with all 470 tools and 790 articles