Comparison

Overview

Company snapshot and where each provider is based.

FieldBulkSMSSmsManager
What it isBusiness messaging platform for sending bulk SMS and RCS to mobile networks worldwide via web app, API, and SMPP.Czech bulk-messaging platform for sending SMS, WhatsApp, Viber and RCS messages from a web application or a single JSON API, with direct connections to local mobile operators.
Founded20002011
Ownershipprivateprivate
Employees11-501-5
HQ cityCape TownPrague
HQ countrySouth AfricaCzech Republic (EU)
What's the differenceSmsManager edges ahead on the overall messaging.dev Score (51 vs 43). BulkSMS is private and headquartered in Cape Town, South Africa; SmsManager is private and based in Prague, Czech Republic (EU).

Channels

Which messaging channels each provider can send and receive on.

FieldBulkSMSSmsManager
SMSYesYes
MMSNoNo
RCSYesYes
WhatsAppNoYes
ViberNoYes
Facebook MessengerNoNo
TelegramNoNo
Apple Messages for BusinessNoYes
VoiceNoNo
EmailNoNo
What's the differenceThey share 2 channels. SmsManager additionally offers WhatsApp, Viber, Apple Messages for Business.

Developer Experience

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

FieldBulkSMSSmsManager
Self-service onboardingYesYes
Free developer credit5 free test SMS on signupYes
Docs qualitymedhigh
DocumentationOpen ↗Open ↗
SDKsJavaScript/TypeScript, PHP
Sandbox / test envNoYes
API typesREST, HTTP, SMPP, SMTPREST
What's the differenceOn SDKs, SmsManager adds JavaScript/TypeScript, PHP; SmsManager offers Sandbox / test env, while BulkSMS does not; on API types, BulkSMS adds HTTP, SMPP, SMTP.

Data & Compliance

Data residency options and enterprise compliance certifications.

FieldBulkSMSSmsManager
EU data residencyYesYes
US data residencyNoNo
Choose regionNoNo
GDPRYesYes
ISO 27001NoNo
SOC 2NoNo
HIPAANoNo
What's the differenceBulkSMS and SmsManager are closely matched on data & compliance — no material differences in the tracked fields.

Data Retention

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

FieldBulkSMSSmsManager
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.Under the published GDPR data processing agreement, message records (phone number and message text) older than 12 months are automatically deleted by default unless otherwise agreed; encrypted backups are kept 30 days and system logs 180 days. After contract termination, personal data is deleted or exported (CSV) free of charge within 30 days.
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. SmsManager: Under the published GDPR data processing agreement, message records (phone number and message text) older than 12 months are automatically deleted by default unless otherwise agreed; encrypted backups are kept 30 days and system logs 180 days. After contract termination, personal data is deleted or exported (CSV) free of charge within 30 days.

Pricing & Credits

Pricing model and the cost of a first message.

FieldBulkSMSSmsManager
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.Prepaid credit pay-as-you-go: free account, non-expiring credit topped up by card or bank transfer, charged only per message sent, with volume-tiered discounts and optional subscription add-on services.
SMS starting priceNot published (rates shown per destination network via an interactive slider/quote, not a single headline price)€0.0356 per SMS to the Czech Republic (5,001-10,000 message volume tier; promotional rate €0.032), other destinations priced per country
Free developer credit5 free test SMS on signupYes
What's the differenceBulkSMS and SmsManager are closely matched on pricing & credits — no material differences in the tracked fields.

Reach & Reliability

Global coverage and delivery dependability.

FieldBulkSMSSmsManager
Countries covered213175
Direct operator connectionsNoYes
Published uptime SLANo published SLANo published SLA (individual SLA agreements available)
What's the differenceBulkSMS leads on Countries covered (213 vs 175 for SmsManager); SmsManager offers Direct operator connections, while BulkSMS does not.

Company & Trust

Independent reviews and company profile.

FieldBulkSMSSmsManager
G2 rating4.60.0
G2 reviews2660
Ownershipprivateprivate
Employees11-501-5
What's the differenceBulkSMS leads on G2 rating (4.6 vs 0 for SmsManager); BulkSMS leads on G2 reviews (266 vs 0 for SmsManager).

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