# MailerSend vs Stream

**Leader by Vioscale score:** Stream

| Attribute | MailerSend | Stream |
|---|---|---|
| **Vioscale score** | 69 (73% (medium)) | 80.3 (72% (medium)) |
| deployment.options | `{"cloud":true}` | `{"cloud":true}` |
| description.long | A service for delivering transactional emails such as invoices, password resets, and notifications through multiple integration methods, emphasizing reliable inbox delivery and straightforward developer implementation. | 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. |
| features.capabilities | `{"sms":true,"email":true,"two_way":true,"verify_otp":true,"global_coverage":"regional","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 | 33 | 14 |
| integrations.list | `[{"name":"Zapier"},{"name":"Supabase"},{"name":"Firebase"},{"name":"Symfony"},{"name":"Slack"},{"name":"Laravel"},{"name":"Airbyte"},{"name":"Airtable"},{"name":"Anymail"},{"name":"ChatGPT"},{"name":"Claude"},{"name":"Courier"},{"name":"Cursor"},{"name":"Django"},{"name":"Google Cloud"},{"name":"Integrately"},{"name":"Knock"},{"name":"Magento"},{"name":"Mailster"},{"name":"Make"},{"name":"NocoDB"},{"name":"Novu"},{"name":"Pabbly Connect"},{"name":"Partnero"},{"name":"Pipedream"},{"name":"Rails"},{"name":"React Email"},{"name":"Relay.app"},{"name":"Tabular"},{"name":"VSCode"},{"name":"WHMCS"},{"name":"WooCommerce"},{"name":"WordPress"}]` | `[{"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"}]` |
| market.availability | `{"hqCountry":"US","primaryMarkets":["US","GB"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"ios":true,"web":true,"android":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Free","summary":"Free","features":["500 emails/month","10 email verification credits","Email thread support","Drag-and-drop email editor"],"description":"For testing and occasional email sending","contactSales":false,"includedLimits":{"emails":"500/month","verification_credits":"10"}},{"free":false,"name":"Hobby","summary":"$5.60/month or $67.20/year","features":["Email and SMTP relay API","Bulk email sending","Sender identities","7 SDKs and OpenAPI","Email verification","DMARC monitoring (1 domain, 30-day trial)","3 custom email templates","User roles","Email support","Limited support via chat"],"components":[{"kind":"fixed","amount":5.6,"period":"month","currency":"USD"},{"per":{"qty":1000,"unit":"emails"},"kind":"metered","amount":1.5,"currency":"USD"}],"description":"For personal projects and side work","contactSales":false,"includedLimits":{"users":"5","emails":"5000/month","domains":"1","templates":"3","api_requests":"1000/day","data_retention":"1 day"}}],"addOns":[{"name":"Email Verification Credits"},{"name":"Domain Spaces","components":[{"kind":"one_time","amount":4,"currency":"USD"}]},{"name":"Phone Numbers","components":[{"kind":"one_time","amount":2,"currency":"USD"}]},{"name":"Data Retention Extension","components":[{"kind":"per_unit","unit":"month","amount":5,"period":"month","currency":"USD"}]},{"name":"DMARC Monitoring","components":[{"kind":"per_unit","unit":"domain","amount":2,"period":"month","currency":"USD"}]},{"name":"Dedicated IPs"}],"summary":"From $5.60/month. Free tier with 500 emails/month.","currency":"USD","freeTier":true,"sourceUrl":"https://www.mailersend.com/pricing-pt","retrievedAt":"2026-08-13T22:26:27.675Z","startingPrice":{"amount":1.5,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` | `{"type":"hybrid","plans":[{"free":true,"name":"Free","summary":"125k API calls, 5k activities/month","features":["Flat & Timeline Feeds","Notification & Aggregated Feeds","Security & Compliance","Global Edge Network"],"contactSales":false,"includedLimits":{"monthly_api_calls":"125,000","monthly_activities":"5,000"}},{"free":false,"name":"Start","summary":"$499/month billed annually, or $599/month","features":["All Feeds API features","Ranked Feeds","Ticketed Support","Security & Compliance","Global Edge Network"],"commitment":"annual","components":[{"kind":"fixed","amount":499,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"monthly_api_calls":"1,250,000","monthly_activities":"50,000"}},{"free":false,"name":"Elevate","summary":"$899/month billed annually, or $999/month","features":["All Feeds API features","Ranked Feeds","Ticketed Support","Security & Compliance","Global Edge Network"],"commitment":"annual","components":[{"kind":"fixed","amount":899,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"monthly_api_calls":"3,750,000","monthly_activities":"150,000"}},{"free":false,"name":"Enterprise","summary":"Custom pricing, scales to 100M+ users","features":["Activity-based pricing","99.999% SLA","SAML/SSO","Private Dedicated Servers","24/7 Support"],"commitment":"annual","contactSales":true}],"addOns":[{"name":"Image & File CDN Bandwidth","components":[{"per":{"qty":1,"unit":"GB"},"kind":"metered","amount":0.17,"currency":"USD"}]},{"name":"Image & File Storage","components":[{"per":{"qty":1,"unit":"GB"},"kind":"metered","amount":0.07,"currency":"USD"}]},{"name":"Image Resizing","components":[{"per":{"qty":1000,"unit":"images"},"kind":"metered","amount":5.8,"currency":"USD"}]}],"summary":"Free tier plus $499–$899/month plans with activity and API call overages. Free Maker program for companies under 5 team members and $10k MRR.","currency":"USD","freeTier":true,"sourceUrl":"https://getstream.io/activity-feeds/pricing/","retrievedAt":"2026-08-14T10:25:51.982Z","startingPrice":{"amount":499,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | freemium |
| pricing.price_level | low | high |
| pricing.transparent | yes | yes |
| reliability.sla_pct | 99.5 | 99.999 |
| reliability.status_page | yes | yes |
| security.disclosure_policy | - | yes |
| security.gdpr | yes | yes |
| security.hipaa | - | yes |
| security.iso27001 | yes | yes |
| security.pci | yes | - |
| security.soc2 | - | yes |

## Capabilities (Communication APIs)

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

*Source: Vioscale. Generated 2026-09-01T20:43:23.930Z. "-" = undocumented, not absent.*