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Laudspeaker

Open source mobile marketing platform. Alternative to appcues /…

Y CombinatorWinter 2021AcquiredB2BMarketingSaaSB2BOpen SourceAutomation

What they do

Problem

Mobile apps need a way to segment users and automate onboarding and engagement messaging across push, SMS, and email without relying on expensive proprietary platforms.

Solution

An open-source mobile marketing automation and customer onboarding platform for building complex scheduled campaigns via push notifications, SMS, and email.

Who it's for

Mobile app teams (product, growth, and marketing) at startups and companies that want an open-source alternative to tools like Braze, Customer.io, Iterable, Pendo, and Appcues.

Founders

Abheek Basu
Founder

CEO of Laudspeaker (acquired by PostHog W20 in May 2025) Formerly a product manager and software engineer. Engineering degree from Penn and business degree from Wharton (M&T)

Mahamad Charawi
Founder

CTO of Tachyon Formerly a senior software engineer at Cisco Engineering degree from Penn and business degree from Wharton (M&T)

Company timeline

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