Comparison
Overview
Company snapshot and where each provider is based.
| Field | SMS.to | SmsManager |
|---|---|---|
| What it is | Omnichannel business messaging platform and API from Cyprus-based Intergo Telecom for sending SMS, Viber, WhatsApp, RCS and Telegram messages worldwide. | 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 | 2016 | 2011 |
| Ownership | private | private |
| Employees | 51-200 | 1-5 |
| HQ city | Paphos | Prague |
| HQ country | Cyprus (EU) | Czech Republic (EU) |
What's the differenceSmsManager edges ahead on the overall messaging.dev Score (51 vs 49). SMS.to is private and headquartered in Paphos, Cyprus (EU); SmsManager is private and based in Prague, Czech Republic (EU).
Channels
Which messaging channels each provider can send and receive on.
| Field | SMS.to | SmsManager |
|---|---|---|
| SMS | Yes | Yes |
| MMS | No | No |
| RCS | Yes | Yes |
| Yes | Yes | |
| Viber | Yes | Yes |
| Facebook Messenger | No | No |
| Telegram | Yes | No |
| Apple Messages for Business | No | Yes |
| Voice | No | No |
| No | No |
What's the differenceThey share 4 channels. SMS.to additionally offers Telegram, while SmsManager additionally offers Apple Messages for Business.
Developer Experience
How quickly a developer can sign up and send a first message.
| Field | SMS.to | SmsManager |
|---|---|---|
| Self-service onboarding | Yes | Yes |
| Free developer credit | Free trial credits on sign-up | Yes |
| Docs quality | med | high |
| Documentation | Open ↗ | Open ↗ |
| SDKs | PHP | JavaScript/TypeScript, PHP |
| Sandbox / test env | No | Yes |
| API types | REST, SMPP | REST |
What's the differenceOn SDKs, SmsManager adds JavaScript/TypeScript; SmsManager offers Sandbox / test env, while SMS.to does not; on API types, SMS.to adds SMPP.
Data & Compliance
Data residency options and enterprise compliance certifications.
| Field | SMS.to | SmsManager |
|---|---|---|
| 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 SmsManager does not; SMS.to offers Choose region, while SmsManager does not; SMS.to offers ISO 27001, while SmsManager does not.
Data Retention
How long message content and metadata are stored, and whether that is configurable.
| Field | SMS.to | SmsManager |
|---|---|---|
| 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. | 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 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. 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 | SMS.to | SmsManager |
|---|---|---|
| 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. | 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 | From $0.023 per SMS (advertised base rate; per-country rates via downloadable price list) | €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 | Free trial credits on sign-up | Yes |
What's the differenceSMS.to and SmsManager are closely matched on pricing & credits — no material differences in the tracked fields.
Reach & Reliability
Global coverage and delivery dependability.
| Field | SMS.to | SmsManager |
|---|---|---|
| Countries covered | 0 | 175 |
| Direct operator connections | Yes | Yes |
| Published uptime SLA | No published SLA (public status page at status.sms.to) | No published SLA (individual SLA agreements available) |
What's the differenceSmsManager leads on Countries covered (175 vs 0 for SMS.to).
Company & Trust
Independent reviews and company profile.
| Field | SMS.to | SmsManager |
|---|---|---|
| G2 rating | 4.4 | 0.0 |
| G2 reviews | 4 | 0 |
| Ownership | private | private |
| Employees | 51-200 | 1-5 |
What's the differenceSMS.to leads on G2 rating (4.4 vs 0 for SmsManager); SMS.to leads on G2 reviews (4 vs 0 for SmsManager).
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