Comparison
Overview
Company snapshot and where each provider is based.
| Field | BulkSMS | Rule |
|---|---|---|
| What it is | Business messaging platform for sending bulk SMS and RCS to mobile networks worldwide via web app, API, and SMPP. | Swedish marketing automation platform (Rule Communication Nordic AB) for email, SMS and RCS campaigns, with a REST API for transactional message sending. |
| Founded | 2000 | 2007 |
| Ownership | private | private |
| Employees | 11-50 | 10-50 |
| HQ city | Cape Town | Stockholm |
| HQ country | South Africa | Sweden (EU) |
What's the differenceBulkSMS edges ahead on the overall messaging.dev Score (43 vs 28). BulkSMS is private and headquartered in Cape Town, South Africa; Rule is private and based in Stockholm, Sweden (EU).
Channels
Which messaging channels each provider can send and receive on.
| Field | BulkSMS | Rule |
|---|---|---|
| SMS | Yes | Yes |
| MMS | No | No |
| RCS | Yes | Yes |
| No | No | |
| Viber | No | No |
| Facebook Messenger | No | No |
| Telegram | No | No |
| Apple Messages for Business | No | No |
| Voice | No | No |
| No | Yes |
What's the differenceThey share 2 channels. Rule additionally offers Email.
Developer Experience
How quickly a developer can sign up and send a first message.
| Field | BulkSMS | Rule |
|---|---|---|
| Self-service onboarding | Yes | Yes |
| Free developer credit | 5 free test SMS on signup | No |
| Docs quality | med | med |
| Documentation | Open ↗ | Open ↗ |
| SDKs | — | Node.js, PHP |
| Sandbox / test env | No | No |
| API types | REST, HTTP, SMPP, SMTP | REST |
What's the differenceOn SDKs, Rule adds Node.js, PHP; on API types, BulkSMS adds HTTP, SMPP, SMTP.
Data & Compliance
Data residency options and enterprise compliance certifications.
| Field | BulkSMS | Rule |
|---|---|---|
| EU data residency | Yes | Yes |
| US data residency | No | No |
| Choose region | No | No |
| GDPR | Yes | Yes |
| ISO 27001 | No | No |
| SOC 2 | No | No |
| HIPAA | No | No |
What's the differenceBulkSMS and Rule are closely matched on data & compliance — no material differences in the tracked fields.
Data Retention
How long message content and metadata are stored, and whether that is configurable.
| Field | BulkSMS | Rule |
|---|---|---|
| Retention policy | Message data (content and metadata) is retained for 2 years and then automatically deleted from the system. Account/client data is kept for the duration of service use plus about 7 years after termination. EU-related client data is stored in AWS datacentres in Ireland with encryption at rest. | 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 differenceBulkSMS: Message data (content and metadata) is retained for 2 years and then automatically deleted from the system. Account/client data is kept for the duration of service use plus about 7 years after termination. EU-related client data is stored in AWS datacentres in Ireland with encryption at rest. 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 | BulkSMS | Rule |
|---|---|---|
| Pricing model | Pay-as-you-go prepaid credits: you buy credits and pay per outbound SMS, with per-message rates varying by destination network and country; no monthly, setup, or contract fees. | 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 | Not published (rates shown per destination network via an interactive slider/quote, not a single headline price) | From €0.04 per SMS (0.40 SEK per SMS in Sweden), on top of the monthly plan |
| Free developer credit | 5 free test SMS on signup | No |
What's the differenceBulkSMS and Rule are closely matched on pricing & credits — no material differences in the tracked fields.
Reach & Reliability
Global coverage and delivery dependability.
| Field | BulkSMS | Rule |
|---|---|---|
| Countries covered | 213 | 0 |
| Direct operator connections | No | No |
| Published uptime SLA | No published SLA | No published SLA |
What's the differenceBulkSMS leads on Countries covered (213 vs 0 for Rule).
Company & Trust
Independent reviews and company profile.
| Field | BulkSMS | Rule |
|---|---|---|
| G2 rating | 4.6 | 4.5 |
| G2 reviews | 266 | 9 |
| Ownership | private | private |
| Employees | 11-50 | 10-50 |
What's the differenceBulkSMS leads on G2 rating (4.6 vs 4.5 for Rule); BulkSMS leads on G2 reviews (266 vs 9 for Rule).
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