Here is a partial list of integrations that are supported by Sperse.io, which are not on the certain other platforms you mentioned. Of course, the list of apps does change over time, but it's one of the differences you'll notice. The other consideration is the integration experience that Sperse.io provides may be easier and more powerful.

Agile CRM
Airtable
Asana
AutoPilot
Aweber
Basecamp
Baremetrics
Benchmark
Calendly
Callrail
Campaign Monitor
Capsule CRM
Clickup
Clinchpad
Close
CompanyHub
Convertkit
Copper
Curated
Customer.io
DirectIQ
Drift
Drip
EmailOctopus
Eventbrite
EverWebinar
FirstPromoter
Fivetran
FollowUpBoss
GotoMeeting
GotoWebinar
Help Scout
High Level
InfluencerSoft
Insightly
Intercom
JetWebinar
Jumplead
Kajabi
Kartra
Klipfolio
Lemlist
Lifter LMS
Liondesk
LiveAgent
MessageBird
Mailgun
Mailify
Mailjet
MoonMail
Ontraport
Pabbly
Pipedrive
Postmark
Pushover
Revue
Salesflare
salesmate
Sendpulse
Shopify
Smartsheet
SMTP Mail
Sperse.com
Squarespace
Teachable
Todoist
WebinarJam
Woodpecker
Caldera Forms
Jetpack
JotForm
Forminator
PlansoForms
SmartForms
Typeform