Fantastical vs Spark Mail

What each one’s own pages state, side by side. Every value is a quote AirStack found on that product’s pages; “Not observed” means AirStack has not found it on that product’s pages.

FantasticalSpark Mail
What it says it doesThe calendar and tasks app you won’t be able to live without. flexibits.comFast, cross-platform email designed to filter out the noise - so you can focus on what's important. sparkmailapp.com
Starting atNot observed$8.25 Plus · per user / month free plan listed
PlatformsGooglebook, Mac, Windows, iPad, iPhone, Apple Vision Pro, Apple Watch flexibits.comAndroid, Mac, Windows, iOS, Apple Watch, iPad, iPhone sparkmailapp.com
IntegrationsCalDAV, Exchange, Google, Microsoft 365, Todoist, iCloud, Google Meet, Microsoft Teams, Webex, Zoom, Fastmail, Fruux, Meetup, Other CalDAV accounts flexibits.comExchange, Google, IMAP, Outlook, YAHOO!, iCloud, HubSpot, Zoom, Google Meet, Microsoft Teams, 2Do, Agenda, Asana, Bear, Box, Dropbox, Evernote, Google Drive, GoTo, Instapaper, MeisterTask, Notion, OmniFocus, OneDrive, OneNote, Reminders, Slack, Things, TickTick, Todoist, Trello sparkmailapp.com
Free planYes flexibits.comYes sparkmailapp.com
PlansFantastical Premium, Flexibits Premium flexibits.comNot observed
Pricing basisNot observed/ month per user sparkmailapp.com
Customers (their claim)Not observed21+ million Users sparkmailapp.com

Prices are list prices as written on each pricing page; check them before you buy. Nothing here is a ranking or a recommendation.