Comparison
Overview
Company snapshot and where each provider is based.
| Field | CM.com | SMS.to |
|---|---|---|
| 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. | Omnichannel business messaging platform and API from Cyprus-based Intergo Telecom for sending SMS, Viber, WhatsApp, RCS and Telegram messages worldwide. |
| Founded | 1999 | 2016 |
| Ownership | public | private |
| Employees | 500-1,000 | 51-200 |
| HQ city | Breda | Paphos |
| HQ country | Netherlands (EU) | Cyprus (EU) |
What's the differenceCM.com edges ahead on the overall messaging.dev Score (58 vs 49). CM.com is public and headquartered in Breda, Netherlands (EU); SMS.to is private and based in Paphos, Cyprus (EU).
Channels
Which messaging channels each provider can send and receive on.
| Field | CM.com | SMS.to |
|---|---|---|
| SMS | Yes | Yes |
| MMS | No | No |
| RCS | Yes | Yes |
| Yes | Yes | |
| Viber | Yes | Yes |
| Facebook Messenger | Yes | No |
| Telegram | Yes | Yes |
| Apple Messages for Business | Yes | No |
| Voice | Yes | No |
| Yes | No |
What's the differenceThey share 5 channels. CM.com additionally offers Facebook Messenger, Apple Messages for Business, Voice, Email.
Developer Experience
How quickly a developer can sign up and send a first message.
| Field | CM.com | SMS.to |
|---|---|---|
| Self-service onboarding | Yes | Yes |
| Free developer credit | No | Free trial credits on sign-up |
| Docs quality | high | med |
| Documentation | Open ↗ | Open ↗ |
| SDKs | PHP, Java, Python, .NET, Node.js | PHP |
| Sandbox / test env | Yes | No |
| API types | REST, SMPP | REST, SMPP |
What's the differenceOn SDKs, CM.com adds Java, Python, .NET, Node.js; CM.com offers Sandbox / test env, while SMS.to does not.
Data & Compliance
Data residency options and enterprise compliance certifications.
| Field | CM.com | SMS.to |
|---|---|---|
| EU data residency | Yes | Yes |
| US data residency | No | Yes |
| Choose region | No | Yes |
| GDPR | Yes | Yes |
| ISO 27001 | Yes | Yes |
| SOC 2 | No | No |
| HIPAA | No | No |
What's the differenceSMS.to offers US data residency, while CM.com does not; SMS.to offers Choose region, while CM.com does not.
Data Retention
How long message content and metadata are stored, and whether that is configurable.
| Field | CM.com | SMS.to |
|---|---|---|
| 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. | Customer data is retained only while the account remains open; on an account deletion request all data is deleted within 30 days. Customers can choose to have data processed only within the EU, in which case it is not transferred outside the EU; per-message content retention periods are not publicly documented in detail. |
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. SMS.to: Customer data is retained only while the account remains open; on an account deletion request all data is deleted within 30 days. Customers can choose to have data processed only within the EU, in which case it is not transferred outside the EU; per-message content retention periods are not publicly documented in detail.
Pricing & Credits
Pricing model and the cost of a first message.
| Field | CM.com | SMS.to |
|---|---|---|
| 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 pay-as-you-go credit with no contracts or commitments; per-SMS rates vary by destination and volume discounts are negotiated with sales. |
| SMS starting price | Not published (per-country pay-per-use pricing requires selecting a region on the pricing page) | From $0.023 per SMS (advertised base rate; per-country rates via downloadable price list) |
| Free developer credit | No | Free trial credits on sign-up |
What's the differenceCM.com and SMS.to are closely matched on pricing & credits — no material differences in the tracked fields.
Reach & Reliability
Global coverage and delivery dependability.
| Field | CM.com | SMS.to |
|---|---|---|
| Countries covered | 0 | 0 |
| Direct operator connections | Yes | Yes |
| Published uptime SLA | No published SLA | No published SLA (public status page at status.sms.to) |
What's the differenceCM.com and SMS.to are closely matched on reach & reliability — no material differences in the tracked fields.
Company & Trust
Independent reviews and company profile.
| Field | CM.com | SMS.to |
|---|---|---|
| G2 rating | 4.8 | 4.4 |
| G2 reviews | 12 | 4 |
| Ownership | public | private |
| Employees | 500-1,000 | 51-200 |
What's the differenceCM.com leads on G2 rating (4.8 vs 4.4 for SMS.to); CM.com leads on G2 reviews (12 vs 4 for SMS.to).
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