Comparison
Overview
Company snapshot and where each provider is based.
| Field | CM.com | SmsManager |
|---|---|---|
| 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. | 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 | 1999 | 2011 |
| Ownership | public | private |
| Employees | 500-1,000 | 1-5 |
| HQ city | Breda | Prague |
| HQ country | Netherlands (EU) | Czech Republic (EU) |
What's the differenceCM.com edges ahead on the overall messaging.dev Score (58 vs 51). CM.com is public and headquartered in Breda, Netherlands (EU); SmsManager is private and based in Prague, Czech Republic (EU).
Channels
Which messaging channels each provider can send and receive on.
| Field | CM.com | SmsManager |
|---|---|---|
| SMS | Yes | Yes |
| MMS | No | No |
| RCS | Yes | Yes |
| Yes | Yes | |
| Viber | Yes | Yes |
| Facebook Messenger | Yes | No |
| Telegram | Yes | No |
| Apple Messages for Business | Yes | Yes |
| Voice | Yes | No |
| Yes | No |
What's the differenceThey share 5 channels. CM.com additionally offers Facebook Messenger, Telegram, Voice, Email.
Developer Experience
How quickly a developer can sign up and send a first message.
| Field | CM.com | SmsManager |
|---|---|---|
| Self-service onboarding | Yes | Yes |
| Free developer credit | No | Yes |
| Docs quality | high | high |
| Documentation | Open ↗ | Open ↗ |
| SDKs | PHP, Java, Python, .NET, Node.js | JavaScript/TypeScript, PHP |
| Sandbox / test env | Yes | Yes |
| API types | REST, SMPP | REST |
What's the differenceOn SDKs, CM.com adds Java, Python, .NET, Node.js; SmsManager adds JavaScript/TypeScript; on API types, CM.com adds SMPP.
Data & Compliance
Data residency options and enterprise compliance certifications.
| Field | CM.com | SmsManager |
|---|---|---|
| EU data residency | Yes | Yes |
| US data residency | No | No |
| Choose region | No | No |
| GDPR | Yes | Yes |
| ISO 27001 | Yes | No |
| SOC 2 | No | No |
| HIPAA | No | No |
What's the differenceCM.com offers ISO 27001, while SmsManager does not.
Data Retention
How long message content and metadata are stored, and whether that is configurable.
| Field | CM.com | SmsManager |
|---|---|---|
| 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. | 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 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. 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 | CM.com | SmsManager |
|---|---|---|
| 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. | 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 | Not published (per-country pay-per-use pricing requires selecting a region on the pricing page) | €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 differenceCM.com and SmsManager are closely matched on pricing & credits — no material differences in the tracked fields.
Reach & Reliability
Global coverage and delivery dependability.
| Field | CM.com | SmsManager |
|---|---|---|
| Countries covered | 0 | 175 |
| Direct operator connections | Yes | 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 CM.com).
Company & Trust
Independent reviews and company profile.
| Field | CM.com | SmsManager |
|---|---|---|
| G2 rating | 4.8 | 0.0 |
| G2 reviews | 12 | 0 |
| Ownership | public | private |
| Employees | 500-1,000 | 1-5 |
What's the differenceCM.com leads on G2 rating (4.8 vs 0 for SmsManager); CM.com leads on G2 reviews (12 vs 0 for SmsManager).
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