Comparison

Overview

Company snapshot and where each provider is based.

FieldBulkSMSCM.com
What it isBusiness messaging platform for sending bulk SMS and RCS to mobile networks worldwide via web app, API, and SMPP.A conversational commerce and customer engagement platform offering business messaging across SMS, RCS, WhatsApp and other channels, plus voice, email and payments, via API and cloud apps.
Founded20001999
Ownershipprivatepublic
Employees11-50500-1,000
HQ cityCape TownBreda
HQ countrySouth AfricaNetherlands (EU)
What's the differenceCM.com edges ahead on the overall messaging.dev Score (58 vs 43). BulkSMS is private and headquartered in Cape Town, South Africa; CM.com is public and based in Breda, Netherlands (EU).

Channels

Which messaging channels each provider can send and receive on.

FieldBulkSMSCM.com
SMSYesYes
MMSNoNo
RCSYesYes
WhatsAppNoYes
ViberNoYes
Facebook MessengerNoYes
TelegramNoYes
Apple Messages for BusinessNoYes
VoiceNoYes
EmailNoYes
What's the differenceThey share 2 channels. CM.com additionally offers WhatsApp, Viber, Facebook Messenger, Telegram, Apple Messages for Business, Voice, Email.

Developer Experience

How quickly a developer can sign up and send a first message.

FieldBulkSMSCM.com
Self-service onboardingYesYes
Free developer credit5 free test SMS on signupNo
Docs qualitymedhigh
DocumentationOpen ↗Open ↗
SDKsPHP, Java, Python, .NET, Node.js
Sandbox / test envNoYes
API typesREST, HTTP, SMPP, SMTPREST, SMPP
What's the differenceOn SDKs, CM.com adds PHP, Java, Python, .NET, Node.js; CM.com offers Sandbox / test env, while BulkSMS does not; on API types, BulkSMS adds HTTP, SMTP.

Data & Compliance

Data residency options and enterprise compliance certifications.

FieldBulkSMSCM.com
EU data residencyYesYes
US data residencyNoNo
Choose regionNoNo
GDPRYesYes
ISO 27001NoYes
SOC 2NoNo
HIPAANoNo
What's the differenceCM.com offers ISO 27001, while BulkSMS does not.

Data Retention

How long message content and metadata are stored, and whether that is configurable.

FieldBulkSMSCM.com
Retention policyMessage data (content and metadata) is retained for 2 years and then automatically deleted from the system. Account/client data is kept for the duration of service use plus about 7 years after termination. EU-related client data is stored in AWS datacentres in Ireland with encryption at rest.Not publicly documented in detail. CM.com states it hosts data in Europe and holds ISO 27001/27017/27018/27701 certifications; message content and metadata retention are governed by its privacy statement and per-customer data processing agreements rather than a single published fixed retention period.
What's the differenceBulkSMS: Message data (content and metadata) is retained for 2 years and then automatically deleted from the system. Account/client data is kept for the duration of service use plus about 7 years after termination. EU-related client data is stored in AWS datacentres in Ireland with encryption at rest. CM.com: Not publicly documented in detail. CM.com states it hosts data in Europe and holds ISO 27001/27017/27018/27701 certifications; message content and metadata retention are governed by its privacy statement and per-customer data processing agreements rather than a single published fixed retention period.

Pricing & Credits

Pricing model and the cost of a first message.

FieldBulkSMSCM.com
Pricing modelPay-as-you-go prepaid credits: you buy credits and pay per outbound SMS, with per-message rates varying by destination network and country; no monthly, setup, or contract fees.Pay-per-use (pay-as-you-go) charged per message with one fixed price per destination country, volume discounts above ~50,000 messages/month, and optional subscription tiers.
SMS starting priceNot published (rates shown per destination network via an interactive slider/quote, not a single headline price)Not published (per-country pay-per-use pricing requires selecting a region on the pricing page)
Free developer credit5 free test SMS on signupNo
What's the differenceBulkSMS and CM.com are closely matched on pricing & credits — no material differences in the tracked fields.

Reach & Reliability

Global coverage and delivery dependability.

FieldBulkSMSCM.com
Countries covered2130
Direct operator connectionsNoYes
Published uptime SLANo published SLANo published SLA
What's the differenceBulkSMS leads on Countries covered (213 vs 0 for CM.com); CM.com offers Direct operator connections, while BulkSMS does not.

Company & Trust

Independent reviews and company profile.

FieldBulkSMSCM.com
G2 rating4.64.8
G2 reviews26612
Ownershipprivatepublic
Employees11-50500-1,000
What's the differenceCM.com leads on G2 rating (4.8 vs 4.6 for BulkSMS); BulkSMS leads on G2 reviews (266 vs 12 for CM.com).

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