Ozeki SMS Gateway vs SMSBOX

Ozeki SMS Gateway is on-premises software for businesses that send SMS from an office, automate messaging, or provide SMS services to customers. It sends and receives messages through modems, Android phones, and protocols including SMPP, UCP/EMI, CIMD2, OZX, HTTP/REST, SIP, and Modbus/SNMP. Routing options include least-cost and backup routing, load balancing, copying, and modifying messages. Applications can connect through REST, SOAP, JSON, WebSocket, SDKs, SQL polling, and integrations such as databases, Excel, email, FTP, and text files. The gateway can run on physical or virtual servers, cloud platforms, or an Android phone. Listed security controls include HTTPS, TLS/SSL for supported protocols, encrypted password storage, and logs that can hide phone numbers and message text. A free trial is available, but there is no free plan. Licenses are one-time purchases; listed plans range from €1,490, paid once to €79,990, paid once. SMS provider charges may also apply.

SMSBOX is a cloud SaaS messaging platform for professional communication through a web dashboard or REST API. It supports bulk SMS, OTP codes, WhatsApp Business messages, voice calls, email-to-SMS, and scheduled sending, with delivery to more than 200 countries. The dashboard imports Excel contacts, applies personalization tags, schedules messages, and tracks results in real time; access is free while messages are charged per use. The API handles sending and receiving SMS, OTP verification, HLR number validation, voice messages, inbound webhooks, and delivery reports. SMSBOX lists more than 50 direct integrations and 6,000+ Zapier apps. JAAN says servers and data storage are in Belgian EU data centers under GDPR. Free test credits provide eight one-off credits for a verified number. Arbitrary-number sending costs from €0.06 per SMS. Credits last one year, and longer messages count as multiple SMS.