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Head-to-head · SMS Gateway Software

OpenVox SMS Gateway vs Diafaan SMS Server

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score OpenVox SMS Gateway #13 in SMS Gateway Software 7.7/10 Free plan Free plan✓ 5 of 5 features Visit OpenVox
Diafaan SMS Server #18 in SMS Gateway Software 7.2/10 30-day trial Free trial✓ 5 of 5 features Visit Diafaan

OpenVox SMS Gateway leads on 1 check, Diafaan SMS Server on 0, and 5 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreOpenVox SMS Gateway · 7.7/10
  • Free planonly OpenVox SMS Gateway
  • Free trialonly Diafaan SMS Server

OpenVox SMS Gateway scores higher on our rubric for sms gateway software: 7.7 against 7.2 out of 10; our editors rank them #13 and #18.

OpenVox SMS Gateway offers free plan; Diafaan SMS Server doesn't.

OpenVox SMS Gateway is the better fit for self-hosted teams needing enterprise administration. Diafaan SMS Server is the better fit for windows teams needing a complete SMS server.

  • OpenVox SMS Gateway fits best

    Self-hosted teams needing enterprise administration

  • Diafaan SMS Server fits best

    Windows teams needing a complete SMS server

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Side by side

Feature OpenVox SMS Gateway 7.7/10 Visit ↗ Diafaan SMS Server 7.2/10 Visit ↗
At a glance
Editor score 7.7 7.2
Ranking #13 in SMS Gateway Software #18 in SMS Gateway Software
Best for Self-hosted teams needing enterprise administration Windows teams needing a complete SMS server
Pricing model Free plan + paid Paid
Starting price Free plan $195 one-time
Free plan ✓ (best) —
Free trial — 30 days
Deployment Self-hosted Self-hosted, Desktop
Platforms Web, Linux Windows
Support Tickets, Docs Email, Community, Docs
Integrations 8 integrations 13 integrations
Built for Mid-market, Enterprise Small business, Mid-market, Enterprise
Features OpenVox SMS Gateway 5/5 · Diafaan SMS Server 5/5
Two-way messaging ✓ ✓
Delivery reports ✓ ✓
Inbound SMS ✓ ✓
Contact management ✓ ✓
API access ✓ ✓
Specs
Included user seats Not checked yet 1
Our review
Pros
  • Manages OpenVox gateways, devices, ports and SIMs
  • Combines routing, delivery history, reports and message outcomes
  • Adds REST, webhooks, LDAP/SAML, permissions and audit logs
  • Supports GSM, SMPP, and HTTP SMS connections
  • Includes two-way messaging, inbound SMS, and delivery reports
  • Offers web management, APIs, SQL storage, and email workflows
Cons
  • Requires OpenVox GSM/LTE gateway hardware for SMS workflows
  • Private Docker deployment is limited to supported Linux distributions
  • No AI features are included
  • Runs only on Windows
  • The Light edition supports one gateway and one connector
  • Higher editions require larger one-time investments
Our verdict

OpenVox SMS Gateway is a self-hosted web console for sending and receiving SMS through OpenVox GSM/LTE gateways. It is suited to operations, alerting, transactional messaging, field service and support teams that need private control over…

Read the review →

Diafaan SMS Server is Windows software for professional users and companies that need to send and receive SMS through GSM/3G/CDMA modems, Android phones, SMPP accounts, or supported HTTP SMS services. It combines messaging, contact and…

Read the review →
  1. OpenVox SMS GatewaySMS Gateway Software 7.7Free plan
  2. Diafaan SMS ServerSMS Gateway Software 7.230-day trial

Strengths and trade-offs

  • OpenVox SMS Gateway — where it wins

    • Manages OpenVox gateways, devices, ports and SIMs
    • Combines routing, delivery history, reports and message outcomes
    • Adds REST, webhooks, LDAP/SAML, permissions and audit logs

    Where it doesn't

    • Requires OpenVox GSM/LTE gateway hardware for SMS workflows
    • Private Docker deployment is limited to supported Linux distributions
    • No AI features are included
  • Diafaan SMS Server — where it wins

    • Supports GSM, SMPP, and HTTP SMS connections
    • Includes two-way messaging, inbound SMS, and delivery reports
    • Offers web management, APIs, SQL storage, and email workflows

    Where it doesn't

    • Runs only on Windows
    • The Light edition supports one gateway and one connector
    • Higher editions require larger one-time investments
  • OpenVox SMS Gateway7.7/10 · Free plan

    A self-hosted SMS console with routing, APIs, delivery records and enterprise administration.

    Visit OpenVoxFull verdict →
  • Diafaan SMS Server7.2/10 · 30-day trial

    A flexible Windows SMS server with modem, SMPP, HTTP, API, and two-way messaging support.

    Visit DiafaanFull verdict →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update