LinkedIn · Jun 2025
Founder Reilly Sweetland discusses keeping product and marketing communication short and plain-text-first, reinforcing the company’s simplicity-first philosophy.
FollowUpThen is an email-based personal assistant that sends you…
Public company, workplace, funding, and market signals
Updated Jul 30, 2026
FollowUpThen is a long-running, email-native reminder and follow-up assistant. Users schedule reminders by putting a time before the @ symbol in an email address; the company also sells modular add-on Skills and team plans.
Primary product
Email-based reminder and personal follow-up assistant
Founded
2010
Headquarters
4040 Moorpark Ave #110, San Jose, CA 95117, United States
Team size
1-10
Industry
Technology, Information and Internet
Sub-industry
Business/Productivity Software
Offices
0 jobs at FollowUpThen
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Business model
Stage
Seed
Total raised
$125K
Latest round
Seed · Jun 2017
Latest amount
$125K
Jun 2017 · Y Combinator
Leadership
Founder / CEO
Investors
Public materials emphasize simplicity, durability, privacy/security, and asynchronous work. The company’s product and engineering updates focus on reducing friction and preserving the core email workflow rather than adding complexity.
Pricing
Freemium SaaS with a free tier, a paid base plan, optional skill add-ons, and team pricing.
Differentiators
Technology
Customers
Competitors
Estimated revenue
$1M-$10M
Estimated monthly visits
48.9K
LinkedIn · Jun 2025
Founder Reilly Sweetland discusses keeping product and marketing communication short and plain-text-first, reinforcing the company’s simplicity-first philosophy.
Followup Expert · May 2022
A product/design update describing a simpler web app, the core design principles behind FollowUpThen V3, and the modular 'Skills' concept.
FollowUpThen Help & Support · Aug 2021
Official update announcing the new modular billing system, including the base plan, add-ons, and team pricing.
FollowUpThen Help & Support · Dec 2020
Official release/update post introducing FollowUpThen V3 and describing the expanded feature set and clarified product focus.
Followup Expert · Oct 2019
Preview of the 3.0 product direction, including the private beta, new 'Skills' framework, and a stronger focus on time-based productivity workflows.