
OneSignal
SuprSend
Novu
MagicBell
Courier
Pusher
Mok
Power your product notifications with Segment and Hightouch.

MTG Studio
Free MTG Commander deck builder, mana analysis, combo finder and opening hand tests.

Which is more popular?
Based on our record, Knock App seems to be more popular. It has been mentioned 8 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | knock.app | deckcipher.com |
| Pricing | — | |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Knock App and DeckCipher. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Knock is the most powerful notification system, capable of scaling with the users’ demands. Its unified API effortlessly handles the most complex of use cases and offers flexibility in providing user engagement,...
We have no reviews of DeckCipher yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Hey HN, I'm Chris, CTO of Knock (https://knock.app). We built email.info because every developer we talk to asks the same question: which email provider should I use? The existing resources are mostly vibes — "Best of" listicles,... - Source: Hacker News / 8 months ago
And if you wanna buy over build, check out https://knock.app - also built in elixir. - Source: Hacker News / over 1 year ago
Knock is a notification infrastructure platform with built-in localization support. When you attach a locale to a user object, Knock automatically handles localizing your notification templates when provided with the appropriate... - Source: dev.to / over 1 year ago
Tracking DeckCipher since Oct 2026.
When comparing Knock App and DeckCipher, you can also consider the following products.

Customer engagement platform used by over 1 million developers and marketers; the fastest and most reliable way to send mobile and web push notifications, in-app messages, emails, and SMS.
Compare OneSignal to Knock App or DeckCipher:

MTG Studio is Magic: the Gathering deck and collection builder for Windows
Compare MTG Studio to Knock App or DeckCipher:

SuprSend is notification infrastructure that lets engineering, product, and growth teams send notifications across email, SMS, WhatsApp, mobile push, web push, in-app inbox, Slack, and Microsoft Teams from one platform.
Compare SuprSend to Knock App or DeckCipher:

The ultimate library for managing multi-channel transactional notifications with a single API.
Compare Novu to Knock App or DeckCipher:

Your app needs a notification inbox – with real-time sync, web & mobile push, and a UI that matches your brand.
Compare MagicBell to Knock App or DeckCipher:

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.
Compare Courier to Knock App or DeckCipher: