Tools · Comparison

EarnDraft vs Harpa.ai vs Mentioned

All three are writing & content tools. Here is what separates them.

	EarnDraft	Harpa.ai	Mentioned
What it is	Turn one sentence into a finished, sellable ebook with cover and live marketing page.	HARPA AI combines every AI in one Chrome extension: OpenAI GPT-5.4, Anthropic Claude 4.6, Google Gemini 3.1, Grok, Perplexity, DeepSeek. It automates your…	Mentioned helps you reach out to people and companies you've mentioned in your blog posts with automatic email campaigns. Keep track of your campaign…
Category	Writing & Content	Writing & Content	Writing & Content
Pricing	Freemium · Free	Free · Free	Paid
How it bills	Free	Free	Not published
Free tier	Yes	Yes	No
Rating	Not yet rated	Not yet rated	Not yet rated
Features	AI-written chapters with live streaming preview	—	—
What works	Designed cover plus PDF and DOCX exports with live marketing page	Has a free tier, so it can be tried before paying Free to use Sits in Writing & Content, one of the better-covered categories here — easy to compare	Sits in Writing & Content, one of the better-covered categories here — easy to compare
What does not	—	206 other tools in this catalogue claim to do the same job	No free tier — it has to be paid for before it can be tried Does not publish a price on its own site, so the cost is only clear after signing up 206 other tools in this catalogue claim to do the same job 80 tools in the same category have a free tier