Staxly

Pusher vs Mailgun

Realtime pub/sub WebSocket Channels + programmatic push (Beams)
vs. Email API for developers with deep deliverability tooling

Pusher websiteMailgun website

Pricing tiers

Pusher

Beams: Sandbox
Free. 1K subscribers.
$0 base (usage-based)
Channels: Sandbox
Free. 100 concurrent conns, 200K msg/day.
$0 base (usage-based)
Beams: Startup
$29/mo. 10K subscribers.
$29/mo
Channels: Startup
$49/mo. 500 concurrent conns, 1M msg/day.
$49/mo
Channels: Pro
$99/mo. 2K concurrent conns, 4M msg/day.
$99/mo
Beams: Pro
$99/mo. 50K subscribers.
$99/mo
Beams: Business
$199/mo. 115K subscribers.
$199/mo
Channels: Business
$299/mo. 5K concurrent, 10M msg/day.
$299/mo
Beams: Premium
$399/mo. 250K subscribers.
$399/mo
Channels: Premium
$499/mo. 10K concurrent, 20M msg/day.
$499/mo
Channels: Growth
$699/mo. 15K concurrent, 40M msg/day.
$699/mo
Channels: Plus
$899/mo. 20K concurrent, 60M msg/day.
$899/mo
Channels: Growth Plus
$1,199/mo. 30K concurrent, 90M msg/day.
$1199/mo
Channels: Enterprise
Custom. 10M+ concurrent, 100B+ msg/day. SLA, dedicated support.
Custom
Pusher website

Mailgun

Free
100 emails/day. 1 custom domain, 1-day log retention, 1 inbound route. No credit card.
Free
Basic
$15/month. 10,000 emails/month, no daily limit, 5 inbound routes.
$15/mo
Foundation
$35/month (1st month free). 50,000 emails/month, 1,000 custom domains, 5-day retention.
$35/mo
Scale
$90/month. 100,000 emails/month, SAML SSO, 5,000 email validations, dedicated IP pools, 30-day retention.
$90/mo
Enterprise
Custom. Deliverability services, managed onboarding.
Custom
Mailgun website

Free-tier quotas head-to-head

Comparing be-sandbox on Pusher vs free on Mailgun.

MetricPusherMailgun
subscribers1000 subscribers

Features

Pusher · 11 features

  • BeamsPush notifications for iOS/Android/Web with device interest groups.
  • Beams Authenticated UsersTarget users by auth user ID across devices.
  • ChannelsWebSocket pub/sub — realtime events, live updates, notifications.
  • Channels WebhooksReceive server-side notifications of channel activity.
  • Client EventsPublish events from clients directly (triggered from browser).
  • Debug ConsoleLive channel debugging dashboard.
  • Encrypted ChannelsEnd-to-end encrypted messages.
  • Global ClustersUS, EU, AP-Southeast, etc. Pick nearest region.
  • Presence ChannelsTrack who is online in a channel.
  • Private ChannelsAuth-required channels with server-signed tokens.
  • StatsConnection / message dashboards.

Mailgun · 14 features

  • Batch SendingSend up to 1,000 recipients per API call via recipient variables.
  • Dedicated IPsIP pools with auto warmup. Scale+ tier.
  • Deliverability SuiteInbox placement testing, DMARC reporting, seed lists.
  • Email LogsSearchable log of all send attempts + events.
  • Email TemplatesTemplate builder + variables + versioning.
  • Email ValidationReal-time email verification (syntax, MX, role accounts, disposable).
  • EU RegionData stored in EU for GDPR-sensitive customers.
  • Inbound RoutingRoute incoming emails to URLs/SMTP. Attachment forwarding.
  • Mailing ListsUnlimited mailing lists with bulk subscribe/unsubscribe.
  • Open/Click TrackingHTML + text tracking with configurable tracking domain.
  • SAML SSOScale+ tier.
  • Send APIREST/SMTP send with MIME + tracking.
  • TagsTag messages to slice stats.
  • Webhook Eventsdelivered, opened, clicked, unsubscribed, complained, permanent_fail, temporary_

Developer interfaces

KindPusherMailgun
SDKPusher Beams Android, Pusher Beams iOS, Pusher Beams Web SDK, pusher-http-go, pusher-http-java, pusher-http-php, pusher-js (client), pusher (Node), pusher (Python), pusher (Ruby), PusherSwift, pusher-websocket-java (Android)mailgun.js (Node), mailgun-php, mailgun-python, mailgun-ruby
RESTBeams Publish API, Pusher HTTP APIMailgun REST API
OTHERChannels Webhooks, Pusher WebSocketInbound Routing, SMTP Relay, Webhooks
Staxly is an independent catalog of developer platforms. Some links to Pusher and Mailgun may be affiliate links — Staxly may earn a commission if you sign up through them, at no extra cost to you. Pricing is verified against vendor pages at publication time — reconfirm before buying.

Want this comparison in your AI agent's context? Install the free Staxly MCP server.