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Head-to-head · Proactive Notification Software

Amazon SNS vs OneSignal

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Amazon SNS #2 in Proactive Notification Software 9.1/10 Free plan Free plan✓ 0 of 4 features Visit Amazon SNS
OneSignal #4 in Proactive Notification Software 8.8/10 Free plan Free plan✓ 0 of 4 features Visit OneSignal

Amazon SNS leads on 0 checks, OneSignal on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreAmazon SNS · 9.1/10
  • Free planboth

Amazon SNS scores higher on our rubric for proactive notification software: 9.1 against 8.8 out of 10; our editors rank them #2 and #4.

Amazon SNS is the better fit for developer teams needing low-cost notification fan-out. OneSignal is the better fit for teams running push and in-app campaigns on a budget.

  • Amazon SNS fits best

    Developer teams needing low-cost notification fan-out

  • OneSignal fits best

    Teams running push and in-app campaigns on a budget

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Side by side

Feature Amazon SNS 9.1/10 Visit ↗ OneSignal 8.8/10 Visit ↗
At a glance
Editor score 9.1 8.8
Ranking #2 in Proactive Notification Software #4 in Proactive Notification Software
Best for Developer teams needing low-cost notification fan-out Teams running push and in-app campaigns on a budget
Pricing model Free plan + paid Free plan + paid
Starting price $0.06/unit usage-based $19/mo
Free plan ✓ ✓
Free trial — —
Deployment Cloud Cloud, Mobile, Browser extension
Platforms Web Web, Windows, macOS, iOS, Android, Chrome extension
Support Docs Email, Live chat, Docs · 24/7
Integrations 7 integrations 30+ integrations
Built for Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Amazon SNS 0/4 · OneSignal 0/4
SMS notifications Not checked yet Not checked yet
Push notifications Not checked yet Not checked yet
Workflow automation Not checked yet Not checked yet
API access Not checked yet Not checked yet
Specs
Delivery channels Not checked yet Not checked yet
Monthly message limit Not checked yet Not checked yet
Contact limit Not checked yet Not checked yet
Our review
Pros
  • Fans out asynchronously to queues, functions, HTTP/S, email, SMS, and mobile push
  • Filtering, dead-letter queues, and FIFO ordering support delivery control
  • Free Tier includes 1 million requests per month
  • Combines mobile and web push with in-app, email, SMS/RCS and Live Activities
  • Visual Journeys, behavioral triggers, segmentation and A/B testing
  • Free plan includes all channels and up to 1,000 monthly active mobile users
Cons
  • Usage-based charges can span request and delivery categories
  • FIFO ordering and deduplication depend on supported configurations
  • Docs are the listed support channel
  • Growth costs can rise with mobile users and web push subscribers
  • Free plan is limited to 3 active Journeys
  • Professional and Enterprise use custom annual pricing
Our verdict

Amazon SNS is a managed publish-subscribe service for sending messages between applications and to people. Teams publish to topics, then SNS fans messages out asynchronously to destinations such as Amazon SQS, AWS Lambda, HTTP/S endpoints,…

Read the review →

OneSignal brings mobile and web push, in-app messaging, email, SMS/RCS and Live Activities into a customer engagement platform for app developers, marketers and businesses. Teams can use it to send campaigns across channels, personalize…

Read the review →
  1. Amazon SNSProactive Notification Software 9.1Free plan
  2. OneSignalProactive Notification Software 8.8Free plan

Strengths and trade-offs

  • Amazon SNS — where it wins

    • Fans out asynchronously to queues, functions, HTTP/S, email, SMS, and mobile push
    • Filtering, dead-letter queues, and FIFO ordering support delivery control
    • Free Tier includes 1 million requests per month

    Where it doesn't

    • Usage-based charges can span request and delivery categories
    • FIFO ordering and deduplication depend on supported configurations
    • Docs are the listed support channel

  • OneSignal — where it wins

    • Combines mobile and web push with in-app, email, SMS/RCS and Live Activities
    • Visual Journeys, behavioral triggers, segmentation and A/B testing
    • Free plan includes all channels and up to 1,000 monthly active mobile users

    Where it doesn't

    • Growth costs can rise with mobile users and web push subscribers
    • Free plan is limited to 3 active Journeys
    • Professional and Enterprise use custom annual pricing

More comparisons

All proactive notification software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update