SimplyRCS
7.8#2 in rcs messaging platformsFrom $20 a monthFree planWebAPISelf-hosted
VisitSimplyRCS vs SMS.es Business Messenger
SMS.es Business Messenger
7.3#4 in rcs messaging platformsFrom €39 a monthFree planWebAPI
VisitWhat both publish
| Fact | SimplyRCS | SMS.es Business Messenger |
|---|---|---|
| Company founding | LinkedIn lists Signalmash as founded in 2020, while the Oregon incorporation information on the company site gives Mash Technologies' registration date as 27 April 2021. | Iberinform records G729 S.L. as established on 1 January 2016. |
| Company legal name | SimplyRCS and Signalmash are stated to be brands and DBAs of Mash Technologies Corporation. | SMS.es is the commercial brand of G729 S.L., tax ID B45850724. |
| Documentation depth | The reference is publicly readable without an account, includes endpoint examples and provides a machine-readable OpenAPI specification. | Public RCS documentation includes setup guidance, OAuth2 examples, cURL and Node.js samples, endpoint tables, webhook behavior and opt-in rules. |
| Integrations | The industries page names Salesforce, HubSpot and Zoho under CRM integrations and also lists CDP, ecommerce, scheduling, helpdesk, loyalty, payments and REST/webhook connections. | An RCS agent is created in Google's RCS console and connected to SMS.es Business Messenger using an Agent ID, region, and webhook URL. |
SimplyRCS plans
- Pay-as-you-goFree
- Starter$20 a month
- AI Starter$20 a month
- AI Pro$90 a month
- Pro$90 a month
- Premium Support$250 a month
SMS.es Business Messenger plans
- InicioFree
- EmpresaFree
- SMS Starter€5, paid once
- RCS channel add-on€20 a month
- Conversacional€39 a month
- Omnicanal€79 a month
Pick SimplyRCS if…
SimplyRCS suits US businesses that need branded messaging, two-way conversations, or editable bots. Its API, integrations, consent controls, and reporting may also suit teams connecting messaging to existing workflows.
Pick SMS.es Business Messenger if…
This service suits businesses sending promotional, transactional, OTP, or mixed RCS campaigns through an API or web interface. It is most relevant where teams can manage opt-in and carrier approval before public launch.