# Mailgun vs Stream

**Leader by vioscaleAI score:** Stream

| Attribute | Mailgun | Stream |
|---|---|---|
| **vioscaleAI score** | 59.1 (69% (medium)) | 80.3 (73% (medium)) |
| content.faq | `[{"answer":"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 It is indexed under Communication APIs.","source":"https://www.mailgun.com","question":"What is Mailgun?","confidence":0.6},{"answer":"Mailgun is a paid product; published pricing starts at $0.75. It is sold across 3 plans (Pilot, Starter and Contract). There is no free tier. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://www.mailgun.com/pricing/optimize/","question":"How much does Mailgun cost?","confidence":0.6},{"answer":"We have confirmed browser-based access to Mailgun. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://www.mailgun.com/pricing/optimize/","question":"What platforms does Mailgun support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Mailgun, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://www.mailgun.com/pricing/optimize/","question":"Can Mailgun be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, ISO 27001 and GDPR for Mailgun. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Mailgun not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.mailgun.com/security/","question":"What security certifications does Mailgun have?","confidence":0.7}]` | `[{"answer":"A platform providing SDKs and APIs for adding chat messaging, video calling, activity feeds, and content moderation to applications, supporting billions of end users across a globally distributed infrastructure. It is indexed under Communication APIs.","source":"https://getstream.io/activity-feeds/pricing/","question":"What is Stream?","confidence":0.6},{"answer":"Stream offers a free tier, so you can start without paying. Paid plans start at $499 per month. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://getstream.io/activity-feeds/pricing/","question":"Is Stream free?","confidence":0.6},{"answer":"Stream supports the web, iOS and Android. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://getstream.io/activity-feeds/pricing/","question":"What platforms does Stream support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Stream, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://getstream.io/activity-feeds/pricing/","question":"Can Stream be self-hosted?","confidence":0.6},{"answer":"We have confirmed 13 integrations for Stream, including Jenkins, GitHub, Slack, Postman, Xcode, Android Studio, React and Flutter, plus 5 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://getstream.io/activity-feeds/pricing/","question":"What does Stream integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, ISO 27001, HIPAA and GDPR for Stream. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Stream not holding them. Always confirm compliance directly before you rely on it.","source":"https://getstream.io/blog/content-compliance/","question":"What security certifications does Stream have?","confidence":0.7}]` |
| deployment.options | `{"cloud":true}` | `{"cloud":true}` |
| description.long | 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 | 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. |
| features.capabilities | `{"email":true,"global_coverage":"global","deliverability_tools":true,"usage_pricing_transparent":true}` | `{"chat":true,"video":true,"voice":true,"two_way":true,"global_coverage":"global","usage_pricing_transparent":true}` |
| integrations.count | 2 | 14 |
| integrations.list | `[{"name":"Google Postmaster Tools"},{"name":"Microsoft SNDS"}]` | `[{"name":"Jenkins"},{"name":"GitHub"},{"name":"Slack"},{"name":"Postman"},{"name":"Xcode"},{"name":"Android Studio"},{"name":"React"},{"name":"React Native"},{"name":"Flutter"},{"name":"Swift"},{"name":"SwiftUI"},{"name":"Kotlin"},{"name":"Jetpack Compose"},{"name":"Expo"},{"name":"Vercel AI SDK","native":true,"direction":"bidirectional"}]` |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"ios":true,"web":true,"android":true}` |
| pricing | `{"type":"subscription","plans":[{"free":false,"name":"Pilot","summary":"$49/mo (first month free), unlimited users","features":["First month free","Unlimited users","2,500 email address validations","25 inbox placement tests","Detailed documentation","Ticket support"],"commitment":"monthly","components":[{"kind":"fixed","amount":49,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"inbox placement test"},"kind":"metered","amount":0.75,"currency":"USD"},{"per":{"qty":100,"unit":"validations"},"kind":"metered","amount":1.2,"currency":"USD"}],"description":"Email validation and basic inbox placement testing","contactSales":false,"includedLimits":{"email_validations":"2,500","inbox_placement_tests":"25"}},{"free":false,"name":"Starter","summary":"$99/mo (first month free), unlimited users","features":["First month free","Unlimited users","5,000 email address validations","50 inbox placement tests","Spam trap monitoring (1 domain)","Blocklist monitoring (1 IP, 1 domain)","Google Postmaster Tools integration","Microsoft SNDS integration","Email health score","Detailed documentation","Ticket support"],"commitment":"monthly","components":[{"kind":"fixed","amount":99,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"inbox placement test"},"kind":"metered","amount":0.75,"currency":"USD"},{"per":{"qty":100,"unit":"validations"},"kind":"metered","amount":0.8,"currency":"USD"}],"description":"Email validation and monitoring with domain and IP reputation tracking","contactSales":false,"includedLimits":{"email_validations":"5,000","blocklist_monitoring":"1 IP, 1 domain","spam_trap_monitoring":"1 domain","inbox_placement_tests":"50"}},{"free":false,"name":"Contract","summary":"Custom pricing, contact sales for quote","features":["Unlimited users","Custom domain and IP monitoring","Custom email validations","Custom inbox placement tests","Designated Technical Account Manager"],"description":"Custom enterprise deliverability solution with dedicated support","contactSales":true}],"summary":"From $49/mo. First month free.","currency":"USD","freeTier":false,"sourceUrl":"https://www.mailgun.com/pricing/optimize/","retrievedAt":"2026-08-14T13:46:31.367Z","freeTrialDays":30,"startingPrice":{"amount":0.75,"period":"month","currency":"USD"},"billingPeriods":["month"]}` | `{"type":"subscription","plans":[{"free":true,"name":"Build","summary":"Free tier for makers (projects with <5 team members and <$10k/month revenue) or $100/month credit","features":["REST API","SDKs (Node, Python, Ruby, PHP)","Webhooks","Customizable UI","Flat & Timeline Feeds","Notification & Aggregated Feeds","SOC2/ISO27001/CCPA/GDPR","Global Edge Network"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"api_calls":"125k/month","activities":"5k/month"}},{"free":false,"name":"Start","summary":"$499/month (annual commitment) or $599/month (monthly). Overages: $25 per 1k activities, $9 per 10k API calls","features":["Ranked Feeds","Ticketed Support","Dedicated Regional Servers","HIPAA","2FA","Audit Logs","24/7 Phone Support","Dedicated Slack Channel"],"commitment":"annual","components":[{"kind":"fixed","amount":499,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"api_calls":"1.25M/month","activities":"50k/month"}},{"free":false,"name":"Elevate","summary":"$899/month (annual commitment) or $999/month (monthly). Overages: $23 per 1k activities, $9 per 10k API calls","features":["All Start features"],"commitment":"annual","components":[{"kind":"fixed","amount":899,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"api_calls":"3.75M/month","activities":"150k/month"}},{"free":false,"name":"Enterprise","summary":"Custom pricing with activity-based model","features":["99.999% SLA","SAML/SSO","Private Dedicated Servers","24/7 Support","Activity-based pricing","Scale to 100M+ users"],"contactSales":true}],"addOns":[{"name":"Image & File CDN","components":[{"per":{"qty":1,"unit":"GB"},"kind":"metered","amount":0.17,"currency":"USD"},{"per":{"qty":1,"unit":"GB"},"kind":"metered","amount":0.07,"currency":"USD"},{"per":{"qty":1000,"unit":"images"},"kind":"metered","amount":5.8,"currency":"USD"}]}],"summary":"From $499/month. Free tier for makers. Usage-based overage charges.","currency":"USD","freeTier":true,"sourceUrl":"https://getstream.io/activity-feeds/pricing/","retrievedAt":"2026-09-22T14:42:50.701Z","startingPrice":{"amount":499,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` |
| pricing.free_tier | no | yes |
| pricing.model | commercial | freemium |
| pricing.price_level | low | high |
| pricing.starting_price | - | `{"amount":499,"currency":"USD"}` |
| pricing.transparent | yes | yes |
| reliability.sla_pct | - | 99.999 |
| reliability.status_page | yes | yes |
| security.disclosure_policy | yes | yes |
| security.gdpr | yes | yes |
| security.hipaa | - | yes |
| security.iso27001 | yes | yes |
| security.soc2 | yes | yes |
| security.trust_center | - | https://getstream.io/blog/content-compliance/ |

## Capabilities (Communication APIs)

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

*Source: vioscaleAI. Generated 2026-10-16T20:49:32.185Z. "-" = undocumented, not absent.*