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Fantastical vs Heptabase

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

Option A
Fantastical

Fantastical

Productivity

The world's best calendar app.

Fantastical is the calendar app of choice for Apple power users — built by Flexibits, a small family-run studio.

Founder
Michael Simmons
Founded
2011
Team
11-50
Listing
Free (nofollow)
Listed
May 2026
View Fantastical →
Option B
Heptabase

Heptabase

Productivity

Establish a visual understanding of your research.

Heptabase is a card-based visual notes app for researchers and students — Roam meets Miro, with a deeply considered UX.

Founder
Alan Chan
Founded
2021
Team
1-10
Listing
Free (nofollow)
Listed
May 2026
View Heptabase →

See more alternatives

Fantastical alternatives →Heptabase alternatives →