Comparison
Overview
Company snapshot and where each provider is based.
| Field | GMS | SendPulse |
|---|---|---|
| What it is | Enterprise 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. | Multi-channel marketing and messaging platform offering email, SMS, web push, and chatbots (WhatsApp, Telegram, Viber, Facebook Messenger, Instagram) through a unified interface and REST API. |
| Founded | 2006 | 2015 |
| Ownership | private | private |
| Employees | 500-1,000 | 51-200 |
| HQ city | Baar | New York |
| HQ country | Switzerland | USA |
What's the differenceSendPulse edges ahead on the overall messaging.dev Score (63 vs 36). GMS is private and headquartered in Baar, Switzerland; SendPulse is private and based in New York, USA.
Channels
Which messaging channels each provider can send and receive on.
| Field | GMS | SendPulse |
|---|---|---|
| SMS | Yes | Yes |
| MMS | No | No |
| RCS | Yes | No |
| Yes | Yes | |
| Viber | Yes | Yes |
| Facebook Messenger | No | Yes |
| Telegram | No | Yes |
| Apple Messages for Business | No | No |
| Voice | No | No |
| Yes | Yes |
What's the differenceThey share 4 channels. GMS additionally offers RCS, while SendPulse additionally offers Facebook Messenger, Telegram.
Developer Experience
How quickly a developer can sign up and send a first message.
| Field | GMS | SendPulse |
|---|---|---|
| Self-service onboarding | No | Yes |
| Free developer credit | No | Free plan (15,000 emails/mo) + 10 test SMS |
| Docs quality | med | high |
| Documentation | Open ↗ | Open ↗ |
| SDKs | iOS (Swift), Android (Kotlin) | PHP, Python, Ruby, Java, Node.js, C# |
| Sandbox / test env | No | No |
| API types | REST | REST, SMTP |
What's the differenceSendPulse offers Self-service onboarding, while GMS does not; on SDKs, GMS adds iOS (Swift), Android (Kotlin); SendPulse adds PHP, Python, Ruby, Java, Node.js, C#; on API types, SendPulse adds SMTP.
Data & Compliance
Data residency options and enterprise compliance certifications.
| Field | GMS | SendPulse |
|---|---|---|
| EU data residency | Yes | Yes |
| US data residency | No | Yes |
| Choose region | No | No |
| GDPR | Yes | Yes |
| ISO 27001 | Yes | No |
| SOC 2 | No | No |
| HIPAA | No | No |
What's the differenceSendPulse offers US data residency, while GMS does not; GMS offers ISO 27001, while SendPulse does not.
Data Retention
How long message content and metadata are stored, and whether that is configurable.
| Field | GMS | SendPulse |
|---|---|---|
| Retention policy | 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. | Personal data is retained for as long as needed to provide the services or to comply with legal obligations, resolve disputes, and enforce agreements. Servers are located in the United States and Germany with redundant, backed-up storage; under GDPR users can access, export, or request deletion of their data, and all account data is permanently deleted when an account is terminated. |
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. SendPulse: Personal data is retained for as long as needed to provide the services or to comply with legal obligations, resolve disputes, and enforce agreements. Servers are located in the United States and Germany with redundant, backed-up storage; under GDPR users can access, export, or request deletion of their data, and all account data is permanently deleted when an account is terminated.
Pricing & Credits
Pricing model and the cost of a first message.
| Field | GMS | SendPulse |
|---|---|---|
| Pricing model | Custom enterprise pricing negotiated with sales; no public self-service or per-message price list. | Pay-as-you-go for SMS (priced per message by destination country); free-forever plan plus paid monthly subscription tiers for email and other channels. |
| SMS starting price | Not published | €0.01 per SMS (e.g. Colombia, Turkey) |
| Free developer credit | No | Free plan (15,000 emails/mo) + 10 test SMS |
What's the differenceGMS and SendPulse are closely matched on pricing & credits — no material differences in the tracked fields.
Reach & Reliability
Global coverage and delivery dependability.
| Field | GMS | SendPulse |
|---|---|---|
| Countries covered | 0 | 200 |
| Direct operator connections | Yes | No |
| Published uptime SLA | 99.99% network availability (claimed; no formal SLA published) | No published SLA |
What's the differenceSendPulse leads on Countries covered (200 vs 0 for GMS); GMS offers Direct operator connections, while SendPulse does not.
Company & Trust
Independent reviews and company profile.
| Field | GMS | SendPulse |
|---|---|---|
| G2 rating | 0.0 | 4.6 |
| G2 reviews | 0 | 714 |
| Ownership | private | private |
| Employees | 500-1,000 | 51-200 |
What's the differenceSendPulse leads on G2 rating (4.6 vs 0 for GMS); SendPulse leads on G2 reviews (714 vs 0 for GMS).
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