Head-to-head · SMS Gateway Software
OpenVox SMS Gateway vs Diafaan SMS Server
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 | ||
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| 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 → |
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 →
All SMS gateway software comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update

