SMS Deliverer vs Diafaan SMS Server
Diafaan SMS Server is Windows middleware built around connectors: databases, email systems, SMPP and cloud APIs. SMS Deliverer is a desktop gateway with a lower entry price and MMS support. Prices from the vendors' pages, observed 2026-11.
What Diafaan SMS Server is
Diafaan SMS Server (Diafaan, Netherlands) is a Windows service with a desktop manager and a built-in web application; version 4.9.1.0 was released in August 2025, so the product is actively maintained. Its model is connectors: GSM modems and Android phones for sending, plus SMPP and the HTTP APIs of cloud providers (ClickSend, Clickatell, MessageBird, Vonage, Twilio and others) as alternative channels. Around them it offers database-driven messaging (MySQL, SQL Server, Access, Oracle), Exchange/Outlook email-to-SMS, .NET scripting and ESPA 4.4 paging.
What SMS Deliverer is
A Windows desktop application that sends two-way SMS and MMS through your own USB modems, modem pools or Android phones, with CSV/Excel import, scheduling, opt-out handling and delivery reports, and a local HTTP API, SMPP v3.4, SQL listener, webhook and command line on the Ultimate edition.
Price, side by side (as of 2026-11)
| Diafaan (source: diafaan.com/prices/) | Price | Limits | SMS Deliverer (buy.html) | Price |
|---|---|---|---|---|
| Light (1 gateway, 1 connector, 1 year of updates) | $195 | No SMPP, HTTP, scripting or paging gateways | Standard | $99 lifetime license / $49 1-year license |
| Basic (4 gateways, 4 connectors, 3 years of updates) | $495 | — | Enterprise | $149 lifetime license / $89 1-year license |
| Full (unlimited gateways/connectors, 5 years of updates) | $895 | — | Ultimate | $269 lifetime license / $169 1-year license |
Diafaan prices are perpetual licenses excluding tax, observed 2026-11. Diafaan offers a 30-day full-feature trial; SMS Deliverer offers a free trial and a 30-day money-back guarantee.
Six dimensions that decide the choice
| Dimension | Diafaan SMS Server | SMS Deliverer |
|---|---|---|
| Entry price (2026-11) | $195 (Light) | $99 lifetime license / $49 1-year license (Standard) |
| Product shape | Windows service + manager + web app | Windows desktop application + local service |
| Sending channels | GSM modem, Android, SMPP, cloud HTTP APIs | GSM/LTE modem, modem pool, Android phone |
| Database and email | MySQL, SQL Server, Access, Oracle connectors; Exchange/Outlook email-to-SMS | SQL storage and listener table (MySQL, SQL Server, Oracle can hold the schema); mail-to-SMS on all editions |
| MMS | Not listed as a feature on its public pages (not verified) | Yes, on Ultimate, carrier-dependent and usually via Android |
| Extensibility | .NET scripting, ESPA 4.4 paging, GSM modem emulator | HTTP API, SMPP v3.4, webhook, command line (Ultimate) |
Diafaan feature claims from diafaan.com product pages, observed 2026-11. Where its pages do not state a capability we write "not verified" rather than assume it.
Where Diafaan is the better choice
- You want messages driven out of an existing database server — its MySQL/SQL Server/Oracle connectors are deeper than our SQL listener.
- You need Exchange/Outlook email-to-SMS, ESPA paging or .NET scripting inside the gateway.
- You want a browser UI for a team, without giving everyone the desktop app.
Where SMS Deliverer is the better choice
- Entry price: $99 lifetime against $195 for the Light edition, and the Light edition excludes the SMPP/HTTP/scripting gateway types.
- MMS campaigns with images, GIFs and short video are a documented Ultimate feature with a 300 KB practical limit guide.
- A desktop workflow — import, compose, schedule, send, report — without running a service plus a web console.
Where we are honest about both
Both are Windows software that needs your own modem and SIM card for local sending, and a machine that stays on. Diafaan can also relay through cloud providers — which reintroduces per-message pricing on that channel; our calculator shows what that trade-off costs at your volume. Neither product includes the SIM plan, and both are bounded by what the carrier allows on it.
Considering NowSMS as well? The NowSMS comparison covers the multi-protocol server tier.
Questions about Diafaan and SMS Deliverer
Is Diafaan cheaper than SMS Deliverer?
No published Diafaan edition undercuts our entry price as of 2026-11: Diafaan Light is $195 while SMS Deliverer Standard is $99 lifetime or $49 per year. Diafaan's Full edition at $895 includes unlimited gateways and five years of updates, which may suit larger connector-heavy deployments.
Does Diafaan support MMS?
Its public product pages do not list MMS as a feature, so we mark it as not verified rather than claim either way. SMS Deliverer Ultimate sends MMS, usually through an Android phone because many carriers restrict modem MMS.
Can Diafaan send through cloud providers?
Yes. Its connector list includes the HTTP APIs of providers such as ClickSend, Clickatell, MessageBird, Vonage and Twilio. That channel is billed per message by the provider, unlike modem sending.
Which product is better for database-driven messaging?
Diafaan, if the source is an external database server: it connects to MySQL, SQL Server, Access and Oracle directly. SMS Deliverer uses local SQL storage with a listener table, which suits applications that can write rows into the outbox.
Do both offer a trial?
Diafaan offers a 30-day full-feature trial. SMS Deliverer offers a free trial plus a 30-day money-back guarantee on purchases.