Startup Spotlight
← Back to directory

Compare

Notion Calendar vs Soulver

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

Option A
Notion Calendar

Notion Calendar

Productivity

Time blocking for the time-strapped.

Notion Calendar (formerly Cron) is a beautiful keyboard-first calendar with multi-account, scheduling links, and Notion integration.

Founder
Raphael Schaad
Founded
2018
Team
11-50
Listing
Free (nofollow)
Listed
May 2026
View Notion Calendar →
Option B
Soulver

Soulver

Productivity

Notepad calculator for the rest of us.

Soulver lets you mix natural-language math with text — perfect for back-of-envelope math without leaving prose. Built by a solo Australian developer.

Founder
Zac Cohan
Founded
2004
Team
1-10
Listing
Free (nofollow)
Listed
May 2026
View Soulver →

See more alternatives

Notion Calendar alternatives →Soulver alternatives →