Comparison
Overview
Company snapshot and where each provider is based.
| Field | SmsManager | Smstools |
|---|---|---|
| What it is | 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. | 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 | 2011 | 2004 |
| Ownership | private | private |
| Employees | 1-5 | 1-10 |
| HQ city | Prague | Dilsen-Stokkem |
| HQ country | Czech Republic (EU) | Belgium (EU) |
What's the differenceSmstools edges ahead on the overall messaging.dev Score (56 vs 51). SmsManager is private and headquartered in Prague, Czech Republic (EU); Smstools is private and based in Dilsen-Stokkem, Belgium (EU).
Channels
Which messaging channels each provider can send and receive on.
| Field | SmsManager | Smstools |
|---|---|---|
| SMS | Yes | Yes |
| MMS | No | No |
| RCS | Yes | No |
| Yes | Yes | |
| Viber | Yes | No |
| Facebook Messenger | No | No |
| Telegram | No | No |
| Apple Messages for Business | Yes | No |
| Voice | No | Yes |
| No | No |
What's the differenceThey share 2 channels. SmsManager additionally offers RCS, Viber, Apple Messages for Business, while Smstools additionally offers Voice.
Developer Experience
How quickly a developer can sign up and send a first message.
| Field | SmsManager | Smstools |
|---|---|---|
| Self-service onboarding | Yes | Yes |
| Free developer credit | Yes | Free test credit on sign-up |
| Docs quality | high | high |
| Documentation | Open ↗ | Open ↗ |
| SDKs | JavaScript/TypeScript, PHP | PHP, Node.js, Python, Ruby, PowerShell |
| Sandbox / test env | Yes | Yes |
| API types | REST | REST, SMTP |
What's the differenceOn SDKs, SmsManager adds JavaScript/TypeScript; Smstools adds Node.js, Python, Ruby, PowerShell; on API types, Smstools adds SMTP.
Data & Compliance
Data residency options and enterprise compliance certifications.
| Field | SmsManager | Smstools |
|---|---|---|
| EU data residency | Yes | Yes |
| US data residency | No | No |
| Choose region | No | No |
| GDPR | Yes | Yes |
| ISO 27001 | No | No |
| SOC 2 | No | No |
| HIPAA | No | No |
What's the differenceSmsManager and Smstools are closely matched on data & compliance — no material differences in the tracked fields.
Data Retention
How long message content and metadata are stored, and whether that is configurable.
| Field | SmsManager | Smstools |
|---|---|---|
| Retention policy | 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. | 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 differenceSmsManager: 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. 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 | SmsManager | Smstools |
|---|---|---|
| Pricing model | 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. | 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 | €0.0356 per SMS to the Czech Republic (5,001-10,000 message volume tier; promotional rate €0.032), other destinations priced per country | From €0.025 per SMS to the USA (rates vary by destination country and volume) |
| Free developer credit | Yes | Free test credit on sign-up |
What's the differenceSmsManager and Smstools are closely matched on pricing & credits — no material differences in the tracked fields.
Reach & Reliability
Global coverage and delivery dependability.
| Field | SmsManager | Smstools |
|---|---|---|
| Countries covered | 175 | 200 |
| Direct operator connections | Yes | Yes |
| Published uptime SLA | No published SLA (individual SLA agreements available) | 99.99% (uptime SLA) |
What's the differenceSmstools leads on Countries covered (200 vs 175 for SmsManager).
Company & Trust
Independent reviews and company profile.
| Field | SmsManager | Smstools |
|---|---|---|
| G2 rating | 0.0 | 0.0 |
| G2 reviews | 0 | 0 |
| Ownership | private | private |
| Employees | 1-5 | 1-10 |
What's the differenceSmsManager and Smstools are closely matched on company & trust — no material differences in the tracked fields.
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