Comparison

Overview

Company snapshot and where each provider is based.

FieldAttentiveRule
What it isAI-powered SMS, MMS, RCS, email, and push marketing platform for consumer brands, with REST and GraphQL APIs for subscriber management and event-triggered messaging rather than direct message sending.Swedish marketing automation platform (Rule Communication Nordic AB) for email, SMS and RCS campaigns, with a REST API for transactional message sending.
Founded20162007
Ownershipprivateprivate
Employees1,000-1,50010-50
HQ cityNew YorkStockholm
HQ countryUSASweden (EU)
What's the differenceAttentive edges ahead on the overall messaging.dev Score (40 vs 28). Attentive is private and headquartered in New York, USA; Rule is private and based in Stockholm, Sweden (EU).

Channels

Which messaging channels each provider can send and receive on.

FieldAttentiveRule
SMSYesYes
MMSYesNo
RCSYesYes
WhatsAppNoNo
ViberNoNo
Facebook MessengerNoNo
TelegramNoNo
Apple Messages for BusinessNoNo
VoiceNoNo
EmailYesYes
What's the differenceThey share 3 channels. Attentive additionally offers MMS.

Developer Experience

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

FieldAttentiveRule
Self-service onboardingNoYes
Free developer creditNoNo
Docs qualitymedmed
DocumentationOpen ↗Open ↗
SDKsiOS (Swift), Android (Kotlin), React NativeNode.js, PHP
Sandbox / test envYesNo
API typesREST, GraphQLREST
What's the differenceRule offers Self-service onboarding, while Attentive does not; on SDKs, Attentive adds iOS (Swift), Android (Kotlin), React Native; Rule adds Node.js, PHP; Attentive offers Sandbox / test env, while Rule does not; on API types, Attentive adds GraphQL.

Data & Compliance

Data residency options and enterprise compliance certifications.

FieldAttentiveRule
EU data residencyNoYes
US data residencyYesNo
Choose regionNoNo
GDPRYesYes
ISO 27001NoNo
SOC 2YesNo
HIPAANoNo
What's the differenceRule offers EU data residency, while Attentive does not; Attentive offers US data residency, while Rule does not; Attentive offers SOC 2, while Rule does not.

Data Retention

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

FieldAttentiveRule
Retention policyNo fixed retention periods are published; the privacy policy states personal information is retained "for as long as necessary to provide our Service or as needed to comply with applicable legal obligations." EU/UK/Swiss consumer data is transferred to and processed in the United States under the EU-U.S., UK Extension, and Swiss-U.S. Data Privacy Frameworks.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 differenceAttentive: No fixed retention periods are published; the privacy policy states personal information is retained "for as long as necessary to provide our Service or as needed to comply with applicable legal obligations." EU/UK/Swiss consumer data is transferred to and processed in the United States under the EU-U.S., UK Extension, and Swiss-U.S. Data Privacy Frameworks. 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.

FieldAttentiveRule
Pricing modelCustom-quoted, usage-based subscription priced on message volume, subscriber list size, channels, and premium AI add-ons; no self-serve signup or published per-message rates.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 priceNot publishedFrom €0.04 per SMS (0.40 SEK per SMS in Sweden), on top of the monthly plan
Free developer creditNoNo
What's the differenceAttentive and Rule are closely matched on pricing & credits — no material differences in the tracked fields.

Reach & Reliability

Global coverage and delivery dependability.

FieldAttentiveRule
Countries covered200
Direct operator connectionsNoNo
Published uptime SLANo published SLANo published SLA
What's the differenceAttentive leads on Countries covered (20 vs 0 for Rule).

Company & Trust

Independent reviews and company profile.

FieldAttentiveRule
G2 rating4.54.5
G2 reviews1,4839
Ownershipprivateprivate
Employees1,000-1,50010-50
What's the differenceAttentive leads on G2 reviews (1,483 vs 9 for Rule).

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