Comparison
Overview
Company snapshot and where each provider is based.
| Field | Bird | Rule |
|---|---|---|
| What it is | Communications 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. | Swedish marketing automation platform (Rule Communication Nordic AB) for email, SMS and RCS campaigns, with a REST API for transactional message sending. |
| Founded | 2011 | 2007 |
| Ownership | private | private |
| Employees | 500-1,000 | 10-50 |
| HQ city | Amsterdam | Stockholm |
| HQ country | Netherlands (EU) | Sweden (EU) |
What's the differenceBird edges ahead on the overall messaging.dev Score (76 vs 28). Bird is private and headquartered in Amsterdam, Netherlands (EU); Rule is private and based in Stockholm, Sweden (EU).
Channels
Which messaging channels each provider can send and receive on.
| Field | Bird | Rule |
|---|---|---|
| SMS | Yes | Yes |
| MMS | No | No |
| RCS | No | Yes |
| Yes | No | |
| Viber | No | No |
| Facebook Messenger | No | No |
| Telegram | No | No |
| Apple Messages for Business | No | No |
| Voice | Yes | No |
| Yes | Yes |
What's the differenceThey share 2 channels. Bird additionally offers WhatsApp, Voice, while Rule additionally offers RCS.
Developer Experience
How quickly a developer can sign up and send a first message.
| Field | Bird | Rule |
|---|---|---|
| Self-service onboarding | Yes | Yes |
| Free developer credit | Free email tier (1,000/month) | No |
| Docs quality | high | med |
| Documentation | Open ↗ | Open ↗ |
| SDKs | TypeScript, Python, Go | Node.js, PHP |
| Sandbox / test env | Yes | No |
| API types | REST, SMTP | REST |
What's the differenceOn SDKs, Bird adds TypeScript, Python, Go; Rule adds Node.js, PHP; Bird offers Sandbox / test env, while Rule does not; on API types, Bird adds SMTP.
Data & Compliance
Data residency options and enterprise compliance certifications.
| Field | Bird | Rule |
|---|---|---|
| EU data residency | Yes | Yes |
| US data residency | Yes | No |
| Choose region | Yes | No |
| GDPR | Yes | Yes |
| ISO 27001 | Yes | No |
| SOC 2 | Yes | No |
| HIPAA | Yes | No |
What's the differenceBird offers US data residency, while Rule does not; Bird offers Choose region, while Rule does not; Bird offers ISO 27001, while Rule does not; Bird offers SOC 2, while Rule does not; Bird offers HIPAA, while Rule does not.
Data Retention
How long message content and metadata are stored, and whether that is configurable.
| Field | Bird | Rule |
|---|---|---|
| Retention policy | 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. | Privacy policy states Rule only works with partners that process personal data within the EU/EEA (or that maintain an equivalent level of protection), keeps data only as long as a customer relationship exists or it remains relevant, and does not use marketing data older than 3 years. No specific retention period for message content or logs is publicly documented. |
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. Rule: Privacy policy states Rule only works with partners that process personal data within the EU/EEA (or that maintain an equivalent level of protection), keeps data only as long as a customer relationship exists or it remains relevant, and does not use marketing data older than 3 years. No specific retention period for message content or logs is publicly documented.
Pricing & Credits
Pricing model and the cost of a first message.
| Field | Bird | Rule |
|---|---|---|
| Pricing model | Usage-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. | Subscription tiers by contact-list size (free 250-contact plan without SMS, Professional from €595/month for 2,500 contacts, custom Enterprise) plus per-message SMS/RCS fees; a standalone SMS/RCS plan with unlimited contacts costs €100/month plus per-message rates. |
| 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 | From €0.04 per SMS (0.40 SEK per SMS in Sweden), on top of the monthly plan |
| Free developer credit | Free email tier (1,000/month) | No |
What's the differenceBird and Rule are closely matched on pricing & credits — no material differences in the tracked fields.
Reach & Reliability
Global coverage and delivery dependability.
| Field | Bird | Rule |
|---|---|---|
| Countries covered | 150 | 0 |
| Direct operator connections | Yes | No |
| Published uptime SLA | 99.95% (legacy MessageBird SLA; current SLAs are per-service-plan in Order Form terms) | No published SLA |
What's the differenceBird leads on Countries covered (150 vs 0 for Rule); Bird offers Direct operator connections, while Rule does not.
Company & Trust
Independent reviews and company profile.
| Field | Bird | Rule |
|---|---|---|
| G2 rating | 3.9 | 4.5 |
| G2 reviews | 73 | 9 |
| Ownership | private | private |
| Employees | 500-1,000 | 10-50 |
What's the differenceRule leads on G2 rating (4.5 vs 3.9 for Bird); Bird leads on G2 reviews (73 vs 9 for Rule).
Still deciding? Read the quickstart guides:
Already on one of them? Follow a migration guide: