Comparison
Overview
Company snapshot and where each provider is based.
| Field | Apifon | Attentive |
|---|---|---|
| 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. | AI-powered SMS, MMS, RCS, email, and push marketing platform for consumer brands, with REST and GraphQL APIs for subscriber management and event-triggered messaging rather than direct message sending. |
| Founded | 2014 | 2016 |
| Ownership | private | private |
| Employees | 51-200 | 1,000-1,500 |
| HQ city | Thessaloniki | New York |
| HQ country | Greece (EU) | USA |
What's the differenceApifon edges ahead on the overall messaging.dev Score (52 vs 40). Apifon is private and headquartered in Thessaloniki, Greece (EU); Attentive is private and based in New York, USA.
Channels
Which messaging channels each provider can send and receive on.
| Field | Apifon | Attentive |
|---|---|---|
| SMS | Yes | Yes |
| MMS | No | Yes |
| RCS | Yes | Yes |
| Yes | No | |
| Viber | Yes | No |
| Facebook Messenger | Yes | No |
| Telegram | No | No |
| Apple Messages for Business | No | No |
| Voice | No | No |
| Yes | Yes |
What's the differenceThey share 3 channels. Apifon additionally offers WhatsApp, Viber, Facebook Messenger, while Attentive additionally offers MMS.
Developer Experience
How quickly a developer can sign up and send a first message.
| Field | Apifon | Attentive |
|---|---|---|
| Self-service onboarding | Yes | No |
| Free developer credit | Free trial bonus on verification | No |
| Docs quality | high | med |
| Documentation | Open ↗ | Open ↗ |
| SDKs | Java, PHP, C#, Python, Node.js | iOS (Swift), Android (Kotlin), React Native |
| Sandbox / test env | No | Yes |
| API types | REST, SMPP | REST, GraphQL |
What's the differenceApifon offers Self-service onboarding, while Attentive does not; on SDKs, Apifon adds Java, PHP, C#, Python, Node.js; Attentive adds iOS (Swift), Android (Kotlin), React Native; Attentive offers Sandbox / test env, while Apifon does not; on API types, Apifon adds SMPP; Attentive adds GraphQL.
Data & Compliance
Data residency options and enterprise compliance certifications.
| Field | Apifon | Attentive |
|---|---|---|
| EU data residency | Yes | No |
| US data residency | No | Yes |
| Choose region | No | No |
| GDPR | Yes | Yes |
| ISO 27001 | Yes | No |
| SOC 2 | No | Yes |
| HIPAA | No | No |
What's the differenceApifon offers EU data residency, while Attentive does not; Attentive offers US data residency, while Apifon does not; Apifon offers ISO 27001, while Attentive does not; Attentive offers SOC 2, while Apifon does not.
Data Retention
How long message content and metadata are stored, and whether that is configurable.
| Field | Apifon | Attentive |
|---|---|---|
| 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. | No fixed retention periods are published; the privacy policy states personal information is retained "for as long as necessary to provide our Service or as needed to comply with applicable legal obligations." EU/UK/Swiss consumer data is transferred to and processed in the United States under the EU-U.S., UK Extension, and Swiss-U.S. Data Privacy Frameworks. |
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. Attentive: No fixed retention periods are published; the privacy policy states personal information is retained "for as long as necessary to provide our Service or as needed to comply with applicable legal obligations." EU/UK/Swiss consumer data is transferred to and processed in the United States under the EU-U.S., UK Extension, and Swiss-U.S. Data Privacy Frameworks.
Pricing & Credits
Pricing model and the cost of a first message.
| Field | Apifon | Attentive |
|---|---|---|
| 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. | Custom-quoted, usage-based subscription priced on message volume, subscriber list size, channels, and premium AI add-ons; no self-serve signup or published per-message rates. |
| SMS starting price | Not published | Not published |
| Free developer credit | Free trial bonus on verification | No |
What's the differenceApifon and Attentive are closely matched on pricing & credits — no material differences in the tracked fields.
Reach & Reliability
Global coverage and delivery dependability.
| Field | Apifon | Attentive |
|---|---|---|
| Countries covered | 200 | 20 |
| Direct operator connections | No | No |
| Published uptime SLA | No published SLA | No published SLA |
What's the differenceApifon leads on Countries covered (200 vs 20 for Attentive).
Company & Trust
Independent reviews and company profile.
| Field | Apifon | Attentive |
|---|---|---|
| G2 rating | 4.8 | 4.5 |
| G2 reviews | 3 | 1,483 |
| Ownership | private | private |
| Employees | 51-200 | 1,000-1,500 |
What's the differenceApifon leads on G2 rating (4.8 vs 4.5 for Attentive); Attentive leads on G2 reviews (1,483 vs 3 for Apifon).
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