Buffer vs OneSignal

Buffer

Marketing

Grow your audience on social — and beyond.

Buffer is a small-business-friendly social media planner with scheduling, analytics, and engagement tools across every major network.

Founder

Joel Gascoigne

Founded

2010

Team

51-200

Listing

Free (nofollow)

Listed

May 2026

OneSignal

Marketing

The market-leading customer engagement platform.

OneSignal provides push, in-app, email, and SMS messaging with generous free tier — widely used by indie mobile apps.

Founded

2014

Team

51-200

Listing

Free (nofollow)

Listed

May 2026