Open API PricingOpen API Pricing

OneSignal vs Knock pricing

Both are in push notification apis. OneSignal is billed mau-based ($0.012/mau); Knock is billed per message (mau/message tiers). Numbers below are copied from each vendor's pricing page.

OneSignal vs Knock pricing side by side
OneSignalFree tier or trial
Free tier
Unlimited mobile push + 10k web subs
Billed
MAU-based ($0.012/MAU)
Best for
Self-serve push + omnichannel engagement
Verified
Jun 27, 2026
KnockFree tier or trial
Free tier
10k messages/mo
Billed
Per message (MAU/message tiers)
Best for
Notification infra + in-app inbox
Verified
Jun 27, 2026

OneSignal plans

PlanPriceWhat it covers
Free$0/moUnlimited mobile push sends and subscribers; web push capped at 10,000 subscribers per message; 1 active in-app message; 10,000 free email sends/mo.
GrowthFrom $19/mo + usage$0.012 per mobile monthly active user (unlimited sends), $0.004 per web push subscriber, unlimited in-app messaging; email 20,000 free sends/mo then $1.50 per 1,000.
ProfessionalCustom (annual)Annual contract with volume-based discounting; adds advanced operational and team features for mid-market.
EnterpriseCustom (annual)Annual contract with volume discounts, 99.9% uptime SLA, and tiered severity-based support response times.

Source: https://onesignal.com/pricing

Knock plans

PlanPriceWhat it covers
Developer$0/month10,000 messages/month, 500 guide active users, 500 AI agent credits, unlimited workflows/broadcasts/channels/team members, batch & delay, multi-tenancy, Google SSO.
Starter$250/month50,000 messages/month ($0.005 per additional), 2,500 guide active users, 2,000 AI agent credits; removes Knock branding; adds email client previews.
EnterpriseContact salesVolume-based/annual-commit pricing; per-customer branding & preferences, i18n, data-warehouse analytics, Datadog, SCIM, SAML 2.0 SSO, HIPAA/BAA, enterprise SLAs, shared Slack support.

Source: https://knock.app/pricing

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