Comparison

Overview

Company snapshot and where each provider is based.

FieldBirdSmsManager
What it isCommunications infrastructure platform (formerly MessageBird) providing unified APIs for email, SMS, WhatsApp and voice on a network that carries about 40% of the world's commercial SMS volume.Czech bulk-messaging platform for sending SMS, WhatsApp, Viber and RCS messages from a web application or a single JSON API, with direct connections to local mobile operators.
Founded20112011
Ownershipprivateprivate
Employees500-1,0001-5
HQ cityAmsterdamPrague
HQ countryNetherlands (EU)Czech Republic (EU)
What's the differenceBird edges ahead on the overall messaging.dev Score (76 vs 51). Bird is private and headquartered in Amsterdam, Netherlands (EU); SmsManager is private and based in Prague, Czech Republic (EU).

Channels

Which messaging channels each provider can send and receive on.

FieldBirdSmsManager
SMSYesYes
MMSNoNo
RCSNoYes
WhatsAppYesYes
ViberNoYes
Facebook MessengerNoNo
TelegramNoNo
Apple Messages for BusinessNoYes
VoiceYesNo
EmailYesNo
What's the differenceThey share 2 channels. Bird additionally offers Voice, Email, while SmsManager additionally offers RCS, Viber, Apple Messages for Business.

Developer Experience

How quickly a developer can sign up and send a first message.

FieldBirdSmsManager
Self-service onboardingYesYes
Free developer creditFree email tier (1,000/month)Yes
Docs qualityhighhigh
DocumentationOpen ↗Open ↗
SDKsTypeScript, Python, GoJavaScript/TypeScript, PHP
Sandbox / test envYesYes
API typesREST, SMTPREST
What's the differenceOn SDKs, Bird adds TypeScript, Python, Go; SmsManager adds JavaScript/TypeScript, PHP; on API types, Bird adds SMTP.

Data & Compliance

Data residency options and enterprise compliance certifications.

FieldBirdSmsManager
EU data residencyYesYes
US data residencyYesNo
Choose regionYesNo
GDPRYesYes
ISO 27001YesNo
SOC 2YesNo
HIPAAYesNo
What's the differenceBird offers US data residency, while SmsManager does not; Bird offers Choose region, while SmsManager does not; Bird offers ISO 27001, while SmsManager does not; Bird offers SOC 2, while SmsManager does not; Bird offers HIPAA, while SmsManager does not.

Data Retention

How long message content and metadata are stored, and whether that is configurable.

FieldBirdSmsManager
Retention policyPrivacy statement: for telecom products (SMS, email, voice), metadata and traffic data are retained for 6 months after transmission, extended up to two years where local law requires; email message content is held for at most 72 hours.Under the published GDPR data processing agreement, message records (phone number and message text) older than 12 months are automatically deleted by default unless otherwise agreed; encrypted backups are kept 30 days and system logs 180 days. After contract termination, personal data is deleted or exported (CSV) free of charge within 30 days.
What's the differenceBird: Privacy statement: for telecom products (SMS, email, voice), metadata and traffic data are retained for 6 months after transmission, extended up to two years where local law requires; email message content is held for at most 72 hours. SmsManager: Under the published GDPR data processing agreement, message records (phone number and message text) older than 12 months are automatically deleted by default unless otherwise agreed; encrypted backups are kept 30 days and system logs 180 days. After contract termination, personal data is deleted or exported (CSV) free of charge within 30 days.

Pricing & Credits

Pricing model and the cost of a first message.

FieldBirdSmsManager
Pricing modelUsage-based transactional pricing with no platform or seat fees: volume-tiered email subscriptions (free tier, then e.g. $15/month for 50K emails) and published per-country per-message SMS rates; WhatsApp priced by destination country and message category.Prepaid credit pay-as-you-go: free account, non-expiring credit topped up by card or bank transfer, charged only per message sent, with volume-tiered discounts and optional subscription add-on services.
SMS starting price$0.0073 per message to US numbers (long code, toll-free and short code; carrier fees extra), per-country pricing grid published€0.0356 per SMS to the Czech Republic (5,001-10,000 message volume tier; promotional rate €0.032), other destinations priced per country
Free developer creditFree email tier (1,000/month)Yes
What's the differenceBird and SmsManager are closely matched on pricing & credits — no material differences in the tracked fields.

Reach & Reliability

Global coverage and delivery dependability.

FieldBirdSmsManager
Countries covered150175
Direct operator connectionsYesYes
Published uptime SLA99.95% (legacy MessageBird SLA; current SLAs are per-service-plan in Order Form terms)No published SLA (individual SLA agreements available)
What's the differenceSmsManager leads on Countries covered (175 vs 150 for Bird).

Company & Trust

Independent reviews and company profile.

FieldBirdSmsManager
G2 rating3.90.0
G2 reviews730
Ownershipprivateprivate
Employees500-1,0001-5
What's the differenceBird leads on G2 rating (3.9 vs 0 for SmsManager); Bird leads on G2 reviews (73 vs 0 for SmsManager).

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