Startup Spotlight
← Back to directory

Compare

Mailchimp vs OneSignal

Side-by-side comparison of two indie startups from the Startup Spotlight directory.

Option A
Mailchimp

Mailchimp

Marketing

Email and marketing automation for growing businesses.

Mailchimp is the most popular small-business email marketing platform with automation, audiences, and a website builder.

Founder
Ben Chestnut
Founded
2001
Team
500+
Listing
Free (nofollow)
Listed
May 2026
View Mailchimp →
Option B
OneSignal

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
View OneSignal →

See more alternatives

Mailchimp alternatives →OneSignal alternatives →