Comparison

Overview

Company snapshot and where each provider is based.

FieldLINK MobilitySMS.to
What it isEuropean communications-platform-as-a-service (CPaaS) provider offering SMS, MMS, RCS, WhatsApp, Viber, Facebook Messenger, Telegram, voice, and email messaging through REST, SMPP, and SOAP APIs.Omnichannel business messaging platform and API from Cyprus-based Intergo Telecom for sending SMS, Viber, WhatsApp, RCS and Telegram messages worldwide.
Founded20012016
Ownershippublicprivate
Employees500-1,00051-200
HQ cityOsloPaphos
HQ countryNorwayCyprus (EU)
What's the differenceSMS.to edges ahead on the overall messaging.dev Score (49 vs 36). LINK Mobility is public and headquartered in Oslo, Norway; SMS.to is private and based in Paphos, Cyprus (EU).

Channels

Which messaging channels each provider can send and receive on.

FieldLINK MobilitySMS.to
SMSYesYes
MMSYesNo
RCSYesYes
WhatsAppYesYes
ViberYesYes
Facebook MessengerYesNo
TelegramYesYes
Apple Messages for BusinessNoNo
VoiceYesNo
EmailYesNo
What's the differenceThey share 5 channels. LINK Mobility additionally offers MMS, Facebook Messenger, Voice, Email.

Developer Experience

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

FieldLINK MobilitySMS.to
Self-service onboardingNoYes
Free developer creditNoFree trial credits on sign-up
Docs qualitymedmed
DocumentationOpen ↗Open ↗
SDKsPHP
Sandbox / test envNoNo
API typesREST, SMPP, SOAPREST, SMPP
What's the differenceSMS.to offers Self-service onboarding, while LINK Mobility does not; on SDKs, SMS.to adds PHP; on API types, LINK Mobility adds SOAP.

Data & Compliance

Data residency options and enterprise compliance certifications.

FieldLINK MobilitySMS.to
EU data residencyYesYes
US data residencyNoYes
Choose regionNoYes
GDPRYesYes
ISO 27001YesYes
SOC 2NoNo
HIPAANoNo
What's the differenceSMS.to offers US data residency, while LINK Mobility does not; SMS.to offers Choose region, while LINK Mobility does not.

Data Retention

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

FieldLINK MobilitySMS.to
Retention policyNot publicly documented in detail. LINK Mobility processes personal data under GDPR as a data processor and states in its GDPR documentation that it operates an integrated ISO 27001 information-security management system (ISMS) with the goal of meeting the requirements of the ISAE 3000 report; message content and metadata retention periods are governed by customer contracts/data-processing agreements rather than a published fixed retention window.Customer data is retained only while the account remains open; on an account deletion request all data is deleted within 30 days. Customers can choose to have data processed only within the EU, in which case it is not transferred outside the EU; per-message content retention periods are not publicly documented in detail.
What's the differenceLINK Mobility: Not publicly documented in detail. LINK Mobility processes personal data under GDPR as a data processor and states in its GDPR documentation that it operates an integrated ISO 27001 information-security management system (ISMS) with the goal of meeting the requirements of the ISAE 3000 report; message content and metadata retention periods are governed by customer contracts/data-processing agreements rather than a published fixed retention window. SMS.to: Customer data is retained only while the account remains open; on an account deletion request all data is deleted within 30 days. Customers can choose to have data processed only within the EU, in which case it is not transferred outside the EU; per-message content retention periods are not publicly documented in detail.

Pricing & Credits

Pricing model and the cost of a first message.

FieldLINK MobilitySMS.to
Pricing modelVolume-based, pay-as-you-go enterprise pricing negotiated through sales; per-message rates are not published on the main platform.Prepaid pay-as-you-go credit with no contracts or commitments; per-SMS rates vary by destination and volume discounts are negotiated with sales.
SMS starting priceNot publishedFrom $0.023 per SMS (advertised base rate; per-country rates via downloadable price list)
Free developer creditNoFree trial credits on sign-up
What's the differenceLINK Mobility and SMS.to are closely matched on pricing & credits — no material differences in the tracked fields.

Reach & Reliability

Global coverage and delivery dependability.

FieldLINK MobilitySMS.to
Countries covered00
Direct operator connectionsYesYes
Published uptime SLANo published SLANo published SLA (public status page at status.sms.to)
What's the differenceLINK Mobility and SMS.to are closely matched on reach & reliability — no material differences in the tracked fields.

Company & Trust

Independent reviews and company profile.

FieldLINK MobilitySMS.to
G2 rating0.04.4
G2 reviews04
Ownershippublicprivate
Employees500-1,00051-200
What's the differenceSMS.to leads on G2 rating (4.4 vs 0 for LINK Mobility); SMS.to leads on G2 reviews (4 vs 0 for LINK Mobility).

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