Comparison
Overview
Company snapshot and where each provider is based.
| Field | CM.com | Vonage |
|---|---|---|
| What it is | 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. | Communications APIs for SMS, voice, video, and messaging (part of Ericsson) |
| Founded | 1999 | 2001 |
| Ownership | public | public |
| Employees | 500-1,000 | 2,000-3,000 |
| HQ city | Breda | Holmdel |
| HQ country | Netherlands (EU) | USA |
What's the differenceVonage edges ahead on the overall messaging.dev Score (89 vs 58). CM.com is public and headquartered in Breda, Netherlands (EU); Vonage is public and based in Holmdel, USA.
Channels
Which messaging channels each provider can send and receive on.
| Field | CM.com | Vonage |
|---|---|---|
| SMS | Yes | Yes |
| MMS | No | Yes |
| RCS | Yes | Yes |
| Yes | Yes | |
| Viber | Yes | Yes |
| Facebook Messenger | Yes | Yes |
| Telegram | Yes | No |
| Apple Messages for Business | Yes | No |
| Voice | Yes | Yes |
| Yes | No |
What's the differenceThey share 6 channels. CM.com additionally offers Telegram, Apple Messages for Business, Email, while Vonage additionally offers MMS.
Developer Experience
How quickly a developer can sign up and send a first message.
| Field | CM.com | Vonage |
|---|---|---|
| Self-service onboarding | Yes | Yes |
| Free developer credit | No | €2 free trial credit |
| Docs quality | high | high |
| Documentation | Open ↗ | Open ↗ |
| SDKs | PHP, Java, Python, .NET, Node.js | Node.js, Python, PHP, Java, C#, Ruby, Kotlin |
| Sandbox / test env | Yes | Yes |
| API types | REST, SMPP | REST |
What's the differenceOn SDKs, CM.com adds .NET; Vonage adds C#, Ruby, Kotlin; on API types, CM.com adds SMPP.
Data & Compliance
Data residency options and enterprise compliance certifications.
| Field | CM.com | Vonage |
|---|---|---|
| EU data residency | Yes | Yes |
| US data residency | No | Yes |
| Choose region | No | Yes |
| GDPR | Yes | Yes |
| ISO 27001 | Yes | Yes |
| SOC 2 | No | Yes |
| HIPAA | No | Yes |
What's the differenceVonage offers US data residency, while CM.com does not; Vonage offers Choose region, while CM.com does not; Vonage offers SOC 2, while CM.com does not; Vonage offers HIPAA, while CM.com does not.
Data Retention
How long message content and metadata are stored, and whether that is configurable.
| Field | CM.com | Vonage |
|---|---|---|
| Retention policy | 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. | Vonage retains message and call records to provide services and meet legal obligations; message content retention is limited and, for some APIs, configurable, with data-processing terms available for enterprise customers. |
What's the differenceCM.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. Vonage: Vonage retains message and call records to provide services and meet legal obligations; message content retention is limited and, for some APIs, configurable, with data-processing terms available for enterprise customers.
Pricing & Credits
Pricing model and the cost of a first message.
| Field | CM.com | Vonage |
|---|---|---|
| Pricing model | 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. | Pay-as-you-go per message/minute with volume discounts |
| SMS starting price | Not published (per-country pay-per-use pricing requires selecting a region on the pricing page) | Approx. $0.0072 per US SMS segment (plus carrier fees) |
| Free developer credit | No | €2 free trial credit |
What's the differenceCM.com and Vonage are closely matched on pricing & credits — no material differences in the tracked fields.
Reach & Reliability
Global coverage and delivery dependability.
| Field | CM.com | Vonage |
|---|---|---|
| Countries covered | 0 | 200 |
| Direct operator connections | Yes | Yes |
| Published uptime SLA | No published SLA | 99.95% |
What's the differenceVonage leads on Countries covered (200 vs 0 for CM.com).
Company & Trust
Independent reviews and company profile.
| Field | CM.com | Vonage |
|---|---|---|
| G2 rating | 4.8 | 4.3 |
| G2 reviews | 12 | 200 |
| Ownership | public | public |
| Employees | 500-1,000 | 2,000-3,000 |
What's the differenceCM.com leads on G2 rating (4.8 vs 4.3 for Vonage); Vonage leads on G2 reviews (200 vs 12 for CM.com).
Still deciding? Read the quickstart guides:
Already on one of them? Follow a migration guide: