Comparison
Overview
Company snapshot and where each provider is based.
| Field | Rule | SmsManager |
|---|---|---|
| What it is | Swedish marketing automation platform (Rule Communication Nordic AB) for email, SMS and RCS campaigns, with a REST API for transactional message sending. | 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. |
| Founded | 2007 | 2011 |
| Ownership | private | private |
| Employees | 10-50 | 1-5 |
| HQ city | Stockholm | Prague |
| HQ country | Sweden (EU) | Czech Republic (EU) |
What's the differenceSmsManager edges ahead on the overall messaging.dev Score (51 vs 28). Rule is private and headquartered in Stockholm, Sweden (EU); SmsManager is private and based in Prague, Czech Republic (EU).
Channels
Which messaging channels each provider can send and receive on.
| Field | Rule | SmsManager |
|---|---|---|
| SMS | Yes | Yes |
| MMS | No | No |
| RCS | Yes | Yes |
| No | Yes | |
| Viber | No | Yes |
| Facebook Messenger | No | No |
| Telegram | No | No |
| Apple Messages for Business | No | Yes |
| Voice | No | No |
| Yes | No |
What's the differenceThey share 2 channels. Rule additionally offers Email, while SmsManager additionally offers WhatsApp, Viber, Apple Messages for Business.
Developer Experience
How quickly a developer can sign up and send a first message.
| Field | Rule | SmsManager |
|---|---|---|
| Self-service onboarding | Yes | Yes |
| Free developer credit | No | Yes |
| Docs quality | med | high |
| Documentation | Open ↗ | Open ↗ |
| SDKs | Node.js, PHP | JavaScript/TypeScript, PHP |
| Sandbox / test env | No | Yes |
| API types | REST | REST |
What's the differenceOn SDKs, Rule adds Node.js; SmsManager adds JavaScript/TypeScript; SmsManager offers Sandbox / test env, while Rule does not.
Data & Compliance
Data residency options and enterprise compliance certifications.
| Field | Rule | SmsManager |
|---|---|---|
| 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 differenceRule and SmsManager 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 | Rule | SmsManager |
|---|---|---|
| Retention policy | 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. | 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 differenceRule: 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. 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.
| Field | Rule | SmsManager |
|---|---|---|
| Pricing model | 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. | 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 | From €0.04 per SMS (0.40 SEK per SMS in Sweden), on top of the monthly plan | €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 credit | No | Yes |
What's the differenceRule and SmsManager are closely matched on pricing & credits — no material differences in the tracked fields.
Reach & Reliability
Global coverage and delivery dependability.
| Field | Rule | SmsManager |
|---|---|---|
| Countries covered | 0 | 175 |
| Direct operator connections | No | Yes |
| Published uptime SLA | No published SLA | No published SLA (individual SLA agreements available) |
What's the differenceSmsManager leads on Countries covered (175 vs 0 for Rule); SmsManager offers Direct operator connections, while Rule does not.
Company & Trust
Independent reviews and company profile.
| Field | Rule | SmsManager |
|---|---|---|
| G2 rating | 4.5 | 0.0 |
| G2 reviews | 9 | 0 |
| Ownership | private | private |
| Employees | 10-50 | 1-5 |
What's the differenceRule leads on G2 rating (4.5 vs 0 for SmsManager); Rule leads on G2 reviews (9 vs 0 for SmsManager).
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