Comparison

Overview

Company snapshot and where each provider is based.

FieldGMSTextBolt
What it isEnterprise CPaaS and A2P messaging provider offering SMS, WhatsApp, Viber, RCS and email through a single API, plus messaging-hub and SMS-firewall services for mobile network operators.Email-to-SMS gateway that lets US and Canadian businesses send and receive text messages from Gmail, Outlook, or any email client by addressing an email to a phone-number address.
Founded20062019
Ownershipprivateprivate
Employees500-1,00011-50
HQ cityBaarMesa
HQ countrySwitzerlandUSA
What's the differenceGMS edges ahead on the overall messaging.dev Score (36 vs 17). GMS is private and headquartered in Baar, Switzerland; TextBolt is private and based in Mesa, USA.

Channels

Which messaging channels each provider can send and receive on.

FieldGMSTextBolt
SMSYesYes
MMSNoNo
RCSYesNo
WhatsAppYesNo
ViberYesNo
Facebook MessengerNoNo
TelegramNoNo
Apple Messages for BusinessNoNo
VoiceNoNo
EmailYesNo
What's the differenceThey share 1 channels. GMS additionally offers RCS, WhatsApp, Viber, Email.

Developer Experience

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

FieldGMSTextBolt
Self-service onboardingNoYes
Free developer creditNoNo
Docs qualitymedlow
DocumentationOpen ↗Open ↗
SDKsiOS (Swift), Android (Kotlin)
Sandbox / test envNoNo
API typesRESTSMTP
What's the differenceTextBolt offers Self-service onboarding, while GMS does not; on SDKs, GMS adds iOS (Swift), Android (Kotlin); on API types, GMS adds REST; TextBolt adds SMTP.

Data & Compliance

Data residency options and enterprise compliance certifications.

FieldGMSTextBolt
EU data residencyYesNo
US data residencyNoYes
Choose regionNoNo
GDPRYesNo
ISO 27001YesNo
SOC 2NoNo
HIPAANoNo
What's the differenceGMS offers EU data residency, while TextBolt does not; TextBolt offers US data residency, while GMS does not; GMS offers GDPR, while TextBolt does not; GMS offers ISO 27001, while TextBolt does not.

Data Retention

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

FieldGMSTextBolt
Retention policyNot publicly documented in detail. GMS's privacy notice states personal data is processed under EU GDPR (Regulation (EU) 2016/679) and held at its Switzerland headquarters (recognized by the European Commission as providing an adequate level of data protection); no specific retention periods for message content or metadata are published. GMS also holds ISO/IEC 27701 (privacy information management) certification.Per the privacy policy, SMS message history is retained for 12 months from the date sent/received, with delivery status tracked via Twilio callbacks; a calendar-event cache is kept 90 days after the event date, and account data is retained while active plus 30 days after deletion. Servers are located in the United States.
What's the differenceGMS: Not publicly documented in detail. GMS's privacy notice states personal data is processed under EU GDPR (Regulation (EU) 2016/679) and held at its Switzerland headquarters (recognized by the European Commission as providing an adequate level of data protection); no specific retention periods for message content or metadata are published. GMS also holds ISO/IEC 27701 (privacy information management) certification. TextBolt: Per the privacy policy, SMS message history is retained for 12 months from the date sent/received, with delivery status tracked via Twilio callbacks; a calendar-event cache is kept 90 days after the event date, and account data is retained while active plus 30 days after deletion. Servers are located in the United States.

Pricing & Credits

Pricing model and the cost of a first message.

FieldGMSTextBolt
Pricing modelCustom enterprise pricing negotiated with sales; no public self-service or per-message price list.Monthly subscription plans (Basic $29, Standard $49, Professional $99, plus custom Enterprise) that each include a set allowance of SMS-segment credits, with automatic per-segment overage billing.
SMS starting priceNot published$0.030 per SMS segment (Enterprise 5,000+ credits/mo, US/Canada); $0.058/segment on the $29/mo Basic plan
Free developer creditNoNo
What's the differenceGMS and TextBolt are closely matched on pricing & credits — no material differences in the tracked fields.

Reach & Reliability

Global coverage and delivery dependability.

FieldGMSTextBolt
Countries covered02
Direct operator connectionsYesNo
Published uptime SLA99.99% network availability (claimed; no formal SLA published)99.9% (Enterprise plan)
What's the differenceTextBolt leads on Countries covered (2 vs 0 for GMS); GMS offers Direct operator connections, while TextBolt does not.

Company & Trust

Independent reviews and company profile.

FieldGMSTextBolt
G2 rating0.00.0
G2 reviews00
Ownershipprivateprivate
Employees500-1,00011-50
What's the differenceGMS and TextBolt are closely matched on company & trust — no material differences in the tracked fields.

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