Reletter

Paid

Reletter: The newsletter search engine for finding, analyzing, and partnering at scale.

#newsletter search engine#subscription-based database#email newsletters#Substack#LinkedIn#Ghost#subscriber numbers#contact details#chart rankings#traffic estimates#outreach tools#brands#advertising#PR#partnerships#topic-based search#rich analytics#CRM exports#team collaboration#keyword alerts#sponsorship-focused stats#SaaS#Babadan Labs, LLC#paid plans#automatic renewal#no prorated refunds

Type

Saas

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About Reletter

Reletter is a newsletter search engine and subscription-based database that indexes millions of email newsletters from platforms like Substack, LinkedIn, and Ghost, delivering subscriber numbers, contact details, chart rankings, traffic estimates, and outreach tools to help brands discover, evaluate, and connect with publishers for advertising, PR, and partnership opportunities. It offers topic-based search, rich analytics, CRM exports, team collaboration, keyword alerts, and sponsorship-focused stats, and operates as a SaaS by Babadan Labs, LLC with paid plans, automatic renewal, and no prorated refunds.

Key Features

Newsletter search engine and database indexing millions of newsletters (Substack, LinkedIn, Ghost, and more)

Subscriber numbers and audience estimates

Author contact info, including emails and social media links

Chart rankings for newsletters

Traffic and monthly visit estimates

Engagement scores from 180 days of comment and like growth

Advanced search by topic, title, author, and subject keywords

Dedicated newsletter info pages (founding date, issue count, frequency, pricing model, tone)

Filtering by active status, sponsored content, publishing model, engagement level, and subscriber count

Built-in pitch template for outreach

Best For

Performance marketers: Build a vetted list of newsletters by topic and engagement for direct-response ad buys.PR and communications teams: Find relevant newsletter writers, grab emails and social links, and pitch stories at scale.Partnership managers: Identify sponsorship-ready publications, compare stats, and manage outreach lists.Agencies: Create and export client-specific media lists and collaborate across teams.Founders and growth leads: Discover niche newsletters where your audience spends time and test paid placements.Sales and biz dev: Source co-marketing and affiliate opportunities with publishers that match your ICP.Brand marketers: Track brand mentions with alerts and maintain relationships with top-performing newsletters.Publishers and creators: Benchmark against peers using subscriber, engagement, and ranking data.Analysts and investors: Research newsletter markets, growth trends, and category leaders.Content marketers: Find syndication and guest-post opportunities by topic and audience fit.

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