Comparison
Overview
Company snapshot and where each provider is based.
| Field | Apifon | SMS.to |
|---|---|---|
| What it is | Greek business-messaging platform for SMS, Viber, WhatsApp, RCS, Messenger and email campaigns, with a web platform plus REST and SMPP APIs. | Omnichannel business messaging platform and API from Cyprus-based Intergo Telecom for sending SMS, Viber, WhatsApp, RCS and Telegram messages worldwide. |
| Founded | 2014 | 2016 |
| Ownership | private | private |
| Employees | 51-200 | 51-200 |
| HQ city | Thessaloniki | Paphos |
| HQ country | Greece (EU) | Cyprus (EU) |
What's the differenceApifon edges ahead on the overall messaging.dev Score (52 vs 49). Apifon is private and headquartered in Thessaloniki, Greece (EU); SMS.to is private and based in Paphos, Cyprus (EU).
Channels
Which messaging channels each provider can send and receive on.
| Field | Apifon | SMS.to |
|---|---|---|
| SMS | Yes | Yes |
| MMS | No | No |
| RCS | Yes | Yes |
| Yes | Yes | |
| Viber | Yes | Yes |
| Facebook Messenger | Yes | No |
| Telegram | No | Yes |
| Apple Messages for Business | No | No |
| Voice | No | No |
| Yes | No |
What's the differenceThey share 4 channels. Apifon additionally offers Facebook Messenger, Email, while SMS.to additionally offers Telegram.
Developer Experience
How quickly a developer can sign up and send a first message.
| Field | Apifon | SMS.to |
|---|---|---|
| Self-service onboarding | Yes | Yes |
| Free developer credit | Free trial bonus on verification | Free trial credits on sign-up |
| Docs quality | high | med |
| Documentation | Open ↗ | Open ↗ |
| SDKs | Java, PHP, C#, Python, Node.js | PHP |
| Sandbox / test env | No | No |
| API types | REST, SMPP | REST, SMPP |
What's the differenceOn SDKs, Apifon adds Java, C#, Python, Node.js.
Data & Compliance
Data residency options and enterprise compliance certifications.
| Field | Apifon | 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 Apifon does not; SMS.to offers Choose region, while Apifon does not.
Data Retention
How long message content and metadata are stored, and whether that is configurable.
| Field | Apifon | SMS.to |
|---|---|---|
| Retention policy | Message logs (telephone numbers, message body, sender ID, timestamps) are retained for a default period of 24 months; other personal data is kept for as long as a contractual relationship exists. All personal data is stated to be hosted on servers located within the European Union. | 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 differenceApifon: Message logs (telephone numbers, message body, sender ID, timestamps) are retained for a default period of 24 months; other personal data is kept for as long as a contractual relationship exists. All personal data is stated to be hosted on servers located within the European Union. 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 | Apifon | SMS.to |
|---|---|---|
| Pricing model | Prepaid pay-as-you-go: customers top up a euro balance by card, PayPal, or bank transfer and messages are charged against it; per-message rates are quoted per account, not published. | 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 | From $0.023 per SMS (advertised base rate; per-country rates via downloadable price list) |
| Free developer credit | Free trial bonus on verification | Free trial credits on sign-up |
What's the differenceApifon and SMS.to are closely matched on pricing & credits — no material differences in the tracked fields.
Reach & Reliability
Global coverage and delivery dependability.
| Field | Apifon | SMS.to |
|---|---|---|
| Countries covered | 200 | 0 |
| Direct operator connections | No | Yes |
| Published uptime SLA | No published SLA | No published SLA (public status page at status.sms.to) |
What's the differenceApifon leads on Countries covered (200 vs 0 for SMS.to); SMS.to offers Direct operator connections, while Apifon does not.
Company & Trust
Independent reviews and company profile.
| Field | Apifon | SMS.to |
|---|---|---|
| G2 rating | 4.8 | 4.4 |
| G2 reviews | 3 | 4 |
| Ownership | private | private |
| Employees | 51-200 | 51-200 |
What's the differenceApifon leads on G2 rating (4.8 vs 4.4 for SMS.to); SMS.to leads on G2 reviews (4 vs 3 for Apifon).
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