Apollo.io
Hunter
Lusha
ZoomInfo
Snov.io
Seamless.AI
RocketReach
Dropcontact
Knock App
MagicBell
SuprSend
Courier
Novu
Pusher
Truepush
OneSignal
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Based on our record, Apollo.io seems to be a lot more popular than Knock App. While we know about 63 links to Apollo.io, we've tracked only 4 mentions of Knock App. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Apollo.io seems popular for cold email. Source: 7 months ago
FAAANGM + ATlassian/Uber and similar product based companies 85 lacs - 1.1 cr Startups like coinbase / apollo.io / rippling 80+. Source: 9 months ago
Their data seems pretty good and their features are awesome, but they had a couple of glitches this week that are annoying me. I know they seem to be the best, but has anyone bested them yet? Curious if there's anything out there that's better than Apollo.io. Source: 11 months ago
Tons of options: apollo.io is popular and affordable. If you're looking for recently funded company contact info, saasydb.com is good. Source: 12 months ago
I agree with most people here in that its invaluable. Especially when paired with some other tools like apollo.io and autobound.ai. Source: 12 months ago
Knock.app – Notifications infrastructure for developers. Send to multiple channels like in-app, email, SMS, Slack, and push with a single API call. The free plan includes 10,000 messages/mo. - Source: dev.to / 5 months ago
Knock is a developer tool for building cross-channel notification systems. You can use it to add in-app notifications to your app with pre-built components to get you started quickly, but the power comes from integrating in-app and out-of-app channels such as email, push, SMS, and Slack. You can build workflows for these notifications so the right messages are sent via the right channels to the right users at the... - Source: dev.to / 8 months ago
As an aside, we used Knock here as a way to quickly integrate the transactional email service, build an email template, and send a test email through each service, without needing to write service-specific integration code. Knock can also take care of managing our email templates, giving us cross-provider analytics, and sending cross-channel notifications to other in-app and out-of-app channels like push, SMS, and... - Source: dev.to / 9 months ago
Knock - Manages our user notification infrastructure + Slackbot, so we don't end up sending out 10 emails for batch events (like comments). Source: about 1 year ago
Hunter - Find all the email addresses related to a domain
MagicBell - Your app needs a notification inbox – with real-time sync, web & mobile push, and a UI that matches your brand.
Lusha - Search less. Sell more.
SuprSend - Single Notification API for Every Channel (SMS, Slack, Whatsapp, Email, SMS, Push, App Inbox)
ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.
Courier - Courier is a notification API built for developers. Design once, and deliver to any channel – email, Slack, SMS, push, and more – all through a single API.