Comparison
Overview
Company snapshot and where each provider is based.
| Field | Attentive | CM.com |
|---|---|---|
| What it is | AI-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. | A conversational commerce and customer engagement platform offering business messaging across SMS, RCS, WhatsApp and other channels, plus voice, email and payments, via API and cloud apps. |
| Founded | 2016 | 1999 |
| Ownership | private | public |
| Employees | 1,000-1,500 | 500-1,000 |
| HQ city | New York | Breda |
| HQ country | USA | Netherlands (EU) |
What's the differenceCM.com edges ahead on the overall messaging.dev Score (58 vs 40). Attentive is private and headquartered in New York, USA; CM.com is public and based in Breda, Netherlands (EU).
Channels
Which messaging channels each provider can send and receive on.
| Field | Attentive | CM.com |
|---|---|---|
| SMS | Yes | Yes |
| MMS | Yes | No |
| RCS | Yes | Yes |
| No | Yes | |
| Viber | No | Yes |
| Facebook Messenger | No | Yes |
| Telegram | No | Yes |
| Apple Messages for Business | No | Yes |
| Voice | No | Yes |
| Yes | Yes |
What's the differenceThey share 3 channels. Attentive additionally offers MMS, while CM.com additionally offers WhatsApp, Viber, Facebook Messenger, Telegram, Apple Messages for Business, Voice.
Developer Experience
How quickly a developer can sign up and send a first message.
| Field | Attentive | CM.com |
|---|---|---|
| Self-service onboarding | No | Yes |
| Free developer credit | No | No |
| Docs quality | med | high |
| Documentation | Open ↗ | Open ↗ |
| SDKs | iOS (Swift), Android (Kotlin), React Native | PHP, Java, Python, .NET, Node.js |
| Sandbox / test env | Yes | Yes |
| API types | REST, GraphQL | REST, SMPP |
What's the differenceCM.com offers Self-service onboarding, while Attentive does not; on SDKs, Attentive adds iOS (Swift), Android (Kotlin), React Native; CM.com adds PHP, Java, Python, .NET, Node.js; on API types, Attentive adds GraphQL; CM.com adds SMPP.
Data & Compliance
Data residency options and enterprise compliance certifications.
| Field | Attentive | CM.com |
|---|---|---|
| EU data residency | No | Yes |
| US data residency | Yes | No |
| Choose region | No | No |
| GDPR | Yes | Yes |
| ISO 27001 | No | Yes |
| SOC 2 | Yes | No |
| HIPAA | No | No |
What's the differenceCM.com offers EU data residency, while Attentive does not; Attentive offers US data residency, while CM.com does not; CM.com offers ISO 27001, while Attentive does not; Attentive offers SOC 2, while CM.com does not.
Data Retention
How long message content and metadata are stored, and whether that is configurable.
| Field | Attentive | CM.com |
|---|---|---|
| Retention policy | 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. | Not publicly documented in detail. CM.com states it hosts data in Europe and holds ISO 27001/27017/27018/27701 certifications; message content and metadata retention are governed by its privacy statement and per-customer data processing agreements rather than a single published fixed retention period. |
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. CM.com: Not publicly documented in detail. CM.com states it hosts data in Europe and holds ISO 27001/27017/27018/27701 certifications; message content and metadata retention are governed by its privacy statement and per-customer data processing agreements rather than a single published fixed retention period.
Pricing & Credits
Pricing model and the cost of a first message.
| Field | Attentive | CM.com |
|---|---|---|
| Pricing model | Custom-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. | Pay-per-use (pay-as-you-go) charged per message with one fixed price per destination country, volume discounts above ~50,000 messages/month, and optional subscription tiers. |
| SMS starting price | Not published | Not published (per-country pay-per-use pricing requires selecting a region on the pricing page) |
| Free developer credit | No | No |
What's the differenceAttentive and CM.com are closely matched on pricing & credits — no material differences in the tracked fields.
Reach & Reliability
Global coverage and delivery dependability.
| Field | Attentive | CM.com |
|---|---|---|
| Countries covered | 20 | 0 |
| Direct operator connections | No | Yes |
| Published uptime SLA | No published SLA | No published SLA |
What's the differenceAttentive leads on Countries covered (20 vs 0 for CM.com); CM.com offers Direct operator connections, while Attentive does not.
Company & Trust
Independent reviews and company profile.
| Field | Attentive | CM.com |
|---|---|---|
| G2 rating | 4.5 | 4.8 |
| G2 reviews | 1,483 | 12 |
| Ownership | private | public |
| Employees | 1,000-1,500 | 500-1,000 |
What's the differenceCM.com leads on G2 rating (4.8 vs 4.5 for Attentive); Attentive leads on G2 reviews (1,483 vs 12 for CM.com).
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