
iZooto
PushCrew
Firebase
Truepush
Chameleon
Braze
Airship
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.

Attentive
Twilio
Tatango
Klaviyo
Braze
SMSGlobal
Plivo
Like Mailchimp for SMS

Which is more popular?
Based on our record, OneSignal seems to be a lot more popular than Postscript. While we know about 28 links to OneSignal, we've tracked only 2 mentions of Postscript.
Website, pricing, platforms and company facts side by side.
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| Website | onesignal.com | postscript.io |
| Pricing | ||
| Company | Startup from the United States | Startup from the United States · 50 - 99 employees · 2018 |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of Postscript yet.
Walkthroughs and reviews on video.
OneSignal Product Demo
More videos
Postscript SMS Marketing Tool Demo and Review in 5 Minutes or More | Ecommerce Tech
More videos
How often each product is chosen within a category, 0–100% relative to the other.


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


Looking for OneSignal alternatives?Check out this in-depth OneSignal comparison guide to make the right choice.
OneSignal is a prominent notification aggregator. Users will be able to send push notifications across different platforms, as well as SMS and emails, making it a well-rounded tool for all messaging. OneSignal offers...
We have no reviews of Postscript yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Go to onesignal.com and create a free account. - Source: dev.to / 10 months ago
Automation extends to personalization. Chris Aubeeluck, Head of Sales and Marketing at Osbornes Law, states, "Content personalization engines like OneSignal use AI to make every interaction feel tailor-made." This boosts retention in... - Source: dev.to / about 1 year ago
One last thing; we picked Notify because of the simplicity, transparent pricing, and great DX — but it’s lean by design. If your use case involves SMS channels too, try something like OneSignal. - Source: dev.to / over 1 year ago
I work for this company: https://postscript.io/. Source: almost 4 years ago
Postscript is one example, raised 100m+ and are basically an SMS marketing tool for shopify stores lol. https://postscript.io. Source: about 4 years ago
When comparing OneSignal and Postscript, you can also consider the following products.

Engage your mobile and desktop web users with intelligent web push notifications.
Compare iZooto to OneSignal or Postscript:

A marketing channel, built for retail & e‑commerce
Compare Attentive to OneSignal or Postscript:


Brings voice and messaging to your web and mobile applications.
Compare Twilio to OneSignal or Postscript:

Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
Compare Firebase to OneSignal or Postscript:

Tatango is a mobile messaging platform for agencies.
Compare Tatango to OneSignal or Postscript: