Comparison
Overview
Company snapshot and where each provider is based.
| Field | SMS.to | Smstools |
|---|---|---|
| What it is | Omnichannel business messaging platform and API from Cyprus-based Intergo Telecom for sending SMS, Viber, WhatsApp, RCS and Telegram messages worldwide. | Belgian business-messaging platform by Xtreme Internet Solutions offering an SMS gateway API, bulk SMS marketing software, WhatsApp Business API, voice messages and email-to-SMS with EU-only hosting. |
| Founded | 2016 | 2004 |
| Ownership | private | private |
| Employees | 51-200 | 1-10 |
| HQ city | Paphos | Dilsen-Stokkem |
| HQ country | Cyprus (EU) | Belgium (EU) |
What's the differenceSmstools edges ahead on the overall messaging.dev Score (56 vs 49). SMS.to is private and headquartered in Paphos, Cyprus (EU); Smstools is private and based in Dilsen-Stokkem, Belgium (EU).
Channels
Which messaging channels each provider can send and receive on.
| Field | SMS.to | Smstools |
|---|---|---|
| SMS | Yes | Yes |
| MMS | No | No |
| RCS | Yes | No |
| Yes | Yes | |
| Viber | Yes | No |
| Facebook Messenger | No | No |
| Telegram | Yes | No |
| Apple Messages for Business | No | No |
| Voice | No | Yes |
| No | No |
What's the differenceThey share 2 channels. SMS.to additionally offers RCS, Viber, Telegram, while Smstools additionally offers Voice.
Developer Experience
How quickly a developer can sign up and send a first message.
| Field | SMS.to | Smstools |
|---|---|---|
| Self-service onboarding | Yes | Yes |
| Free developer credit | Free trial credits on sign-up | Free test credit on sign-up |
| Docs quality | med | high |
| Documentation | Open ↗ | Open ↗ |
| SDKs | PHP | PHP, Node.js, Python, Ruby, PowerShell |
| Sandbox / test env | No | Yes |
| API types | REST, SMPP | REST, SMTP |
What's the differenceOn SDKs, Smstools adds Node.js, Python, Ruby, PowerShell; Smstools offers Sandbox / test env, while SMS.to does not; on API types, SMS.to adds SMPP; Smstools adds SMTP.
Data & Compliance
Data residency options and enterprise compliance certifications.
| Field | SMS.to | Smstools |
|---|---|---|
| EU data residency | Yes | Yes |
| US data residency | Yes | No |
| Choose region | Yes | No |
| GDPR | Yes | Yes |
| ISO 27001 | Yes | No |
| SOC 2 | No | No |
| HIPAA | No | No |
What's the differenceSMS.to offers US data residency, while Smstools does not; SMS.to offers Choose region, while Smstools does not; SMS.to offers ISO 27001, while Smstools does not.
Data Retention
How long message content and metadata are stored, and whether that is configurable.
| Field | SMS.to | Smstools |
|---|---|---|
| Retention policy | 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. | Not publicly documented in detail. Smstools states all data is stored on servers located in Europe under GDPR-compliant processes, with AES-256 encryption at rest and TLS 1.3 in transit, and a Data Processing Agreement is available on request, but no specific message content/metadata retention periods are published. |
What's the differenceSMS.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. Smstools: Not publicly documented in detail. Smstools states all data is stored on servers located in Europe under GDPR-compliant processes, with AES-256 encryption at rest and TLS 1.3 in transit, and a Data Processing Agreement is available on request, but no specific message content/metadata retention periods are published.
Pricing & Credits
Pricing model and the cost of a first message.
| Field | SMS.to | Smstools |
|---|---|---|
| Pricing model | Prepaid pay-as-you-go credit with no contracts or commitments; per-SMS rates vary by destination and volume discounts are negotiated with sales. | Pay-as-you-go per message with volume discounts; no subscription, setup fee or monthly minimum, with a personalised rate sheet issued on registration. |
| SMS starting price | From $0.023 per SMS (advertised base rate; per-country rates via downloadable price list) | From €0.025 per SMS to the USA (rates vary by destination country and volume) |
| Free developer credit | Free trial credits on sign-up | Free test credit on sign-up |
What's the differenceSMS.to and Smstools are closely matched on pricing & credits — no material differences in the tracked fields.
Reach & Reliability
Global coverage and delivery dependability.
| Field | SMS.to | Smstools |
|---|---|---|
| Countries covered | 0 | 200 |
| Direct operator connections | Yes | Yes |
| Published uptime SLA | No published SLA (public status page at status.sms.to) | 99.99% (uptime SLA) |
What's the differenceSmstools leads on Countries covered (200 vs 0 for SMS.to).
Company & Trust
Independent reviews and company profile.
| Field | SMS.to | Smstools |
|---|---|---|
| G2 rating | 4.4 | 0.0 |
| G2 reviews | 4 | 0 |
| Ownership | private | private |
| Employees | 51-200 | 1-10 |
What's the differenceSMS.to leads on G2 rating (4.4 vs 0 for Smstools); SMS.to leads on G2 reviews (4 vs 0 for Smstools).
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