Comparison

Mailgun vs Stream

On the evidence we track, Stream leads this comparison with a composite score of 80/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Mailgun59
★Stream80
Score
vioscaleAI score
Mailgun59 / 100medium · 69%
Stream80 / 100medium · 73%
Pricing
Free tier
Mailgun✗
Stream✓
Model
Mailguncommercial
Streamfreemium
Price level
Mailgunlow
Streamhigh
Starting price
Mailgun–
Stream$499
Transparent
Mailgun✓
Stream✓
Integrations
Count
Mailgun2
Stream14
Security
Disclosure policy
Mailgun✓
Stream✓
Gdpr
Mailgun✓
Stream✓
Hipaa
Mailgun–
Stream✓
Iso27001
Mailgun✓
Stream✓
Soc2
Mailgun✓
Stream✓
Reliability
Sla pct
Mailgun–
Stream99.999
Status page
Mailgun✓
Stream✓
Market
Content
Faq
Mailgun5 items
Stream6 items

Capabilities

Feature-by-feature on the axes that matter for communication apis. “-” means undocumented, not absent.

Channels
SMS
Mailgun-
Stream-
Voice
Mailgun-
Stream✓
WhatsApp
Mailgun-
Stream-
RCS
Mailgun-
Stream-
Transactional email
Mailgun✓
Stream-
Video / real-time
Mailgun-
Stream✓
In-app chat
Mailgun-
Stream✓
Verify / OTP / 2FA
Mailgun-
Stream-
Messaging
Two-way messaging
Mailgun-
Stream✓
Reach
Geographic coverage
MailgunGlobal
StreamGlobal
Delivery
Email deliverability tools
Mailgun✓
Stream-
Commercial
Published per-unit pricing
Mailgun✓
Stream✓

What each one is

The product in its own terms, so the numbers below have context.

Mailgun

A service that allows developers to send transactional emails through an API, with built-in testing and preview capabilities across multiple email clients and devices

Independently observed

Stream

Leader

Stream provides developer-friendly APIs and pre-built SDKs that integrate chat, live video, activity feeds, and automated content moderation into applications, allowing developers to add complex real-time features without building infrastructure from scratch.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Mailgun

from $0.75/moSubscription30-day trial

From $49/mo. First month free.

  • Pilot$49/mo (first month free), unlimited users
    • First month free
    • Unlimited users
    • 2,500 email address validations
    • 25 inbox placement tests
    • Detailed documentation
    • +1 more
  • Starter$99/mo (first month free), unlimited users
    • First month free
    • Unlimited users
    • 5,000 email address validations
    • 50 inbox placement tests
    • Spam trap monitoring (1 domain)
    • +6 more
  • ContractContact sales
    • Unlimited users
    • Custom domain and IP monitoring
    • Custom email validations
    • Custom inbox placement tests
    • Designated Technical Account Manager
as of verify ↗

Stream

Leader
from $499/moSubscriptionFree tier

From $499/month. Free tier for makers. Usage-based overage charges.

  • BuildFree
    • REST API
    • SDKs (Node, Python, Ruby, PHP)
    • Webhooks
    • Customizable UI
    • Flat & Timeline Feeds
    • +3 more
  • Start$499/month (annual commitment) or $599/month (monthly). Overages: $25 per 1k activities, $9 per 10k API calls
    • Ranked Feeds
    • Ticketed Support
    • Dedicated Regional Servers
    • HIPAA
    • 2FA
    • +3 more
  • Elevate$899/month (annual commitment) or $999/month (monthly). Overages: $23 per 1k activities, $9 per 10k API calls
    • All Start features
  • EnterpriseContact sales
    • 99.999% SLA
    • SAML/SSO
    • Private Dedicated Servers
    • 24/7 Support
    • Activity-based pricing
    • +1 more
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Mailgun✓
Stream✓
iOS
Mailgun✗
Stream✓
Android
Mailgun✗
Stream✓
Deployment
Cloud / SaaS
Mailgun✓
Stream✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Mailgun

2 total
  • Google Postmaster Tools
  • Microsoft SNDS
Independently observed

Stream

Leader
15 total
  • Jenkins
  • GitHub
  • Slack
  • Postman
  • Xcode
  • Android Studio
  • React
  • React Native
  • Flutter
  • Swift
  • SwiftUI
  • Kotlin
  • Jetpack Compose
  • Expo
  • Vercel AI SDK
Independently observed
Still deciding?

Mailgun or Stream: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.