The Outline Competitors and Similar CompaniesClear all

Substack's competitors and similar companies include Redef.
Substack
Substack
Substack is a company that develops a subscription-based publishing platform.
Redef
Redef
REDEF is a company that creates curated information streams for industry communities.
Founding Date
Founding Date
2017
Founding Date
2013
Type
Type
Private
Type
Private
Tags
Locations
Locations
San Francisco, US HQ
Locations
New York, US HQ
New York, US
Employees
Employees
2,0214% increase
Employees
5

Funding

Latest funding round
Latest funding round
$ 65m (about 5 years ago)
Latest funding round
$ 2.3m (about 12 years ago)
Total funding raised
Total funding raised
$ 82.3m
Total funding raised
$ 2.3m
For sources of this data, please see the company profile

View Company Profiles

Redef
HQ
New York, US
Employees
5

REDEF is a company that creates curated information streams for industry communities.

View company