Comparison
Overview
Company snapshot and where each provider is based.
| Field | BulkSMS | Clickatell |
|---|---|---|
| What it is | Business messaging platform for sending bulk SMS and RCS to mobile networks worldwide via web app, API, and SMPP. | Cloud messaging and chat-commerce platform offering SMS, WhatsApp, RCS and Apple Messages for Business APIs for businesses. |
| Founded | 2000 | 2000 |
| Ownership | private | private |
| Employees | 11-50 | 250-500 |
| HQ city | Cape Town | Redwood City |
| HQ country | South Africa | USA |
What's the differenceClickatell edges ahead on the overall messaging.dev Score (61 vs 43). BulkSMS is private and headquartered in Cape Town, South Africa; Clickatell is private and based in Redwood City, USA.
Channels
Which messaging channels each provider can send and receive on.
| Field | BulkSMS | Clickatell |
|---|---|---|
| SMS | Yes | Yes |
| MMS | No | No |
| RCS | Yes | Yes |
| No | Yes | |
| Viber | No | No |
| Facebook Messenger | No | No |
| Telegram | No | No |
| Apple Messages for Business | No | Yes |
| Voice | No | No |
| No | No |
What's the differenceThey share 2 channels. Clickatell additionally offers WhatsApp, Apple Messages for Business.
Developer Experience
How quickly a developer can sign up and send a first message.
| Field | BulkSMS | Clickatell |
|---|---|---|
| Self-service onboarding | Yes | Yes |
| Free developer credit | 5 free test SMS on signup | No |
| Docs quality | med | high |
| Documentation | Open ↗ | Open ↗ |
| SDKs | — | Python, PHP, Java, Node.js, C# |
| Sandbox / test env | No | Yes |
| API types | REST, HTTP, SMPP, SMTP | REST, SMPP |
What's the differenceOn SDKs, Clickatell adds Python, PHP, Java, Node.js, C#; Clickatell offers Sandbox / test env, while BulkSMS does not; on API types, BulkSMS adds HTTP, SMTP.
Data & Compliance
Data residency options and enterprise compliance certifications.
| Field | BulkSMS | Clickatell |
|---|---|---|
| EU data residency | Yes | Yes |
| US data residency | No | No |
| Choose region | No | No |
| GDPR | Yes | Yes |
| ISO 27001 | No | Yes |
| SOC 2 | No | Yes |
| HIPAA | No | No |
What's the differenceClickatell offers ISO 27001, while BulkSMS does not; Clickatell offers SOC 2, while BulkSMS does not.
Data Retention
How long message content and metadata are stored, and whether that is configurable.
| Field | BulkSMS | Clickatell |
|---|---|---|
| Retention policy | 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. | Not publicly documented in detail. Clickatell states it moved its data infrastructure to Amazon Web Services (AWS) in Ireland (EU) in 2018 and directs GDPR/data-protection queries to [email protected]; specific message content or metadata retention periods are not published. |
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. Clickatell: Not publicly documented in detail. Clickatell states it moved its data infrastructure to Amazon Web Services (AWS) in Ireland (EU) in 2018 and directs GDPR/data-protection queries to [email protected]; specific message content or metadata retention periods are not published.
Pricing & Credits
Pricing model and the cost of a first message.
| Field | BulkSMS | Clickatell |
|---|---|---|
| Pricing model | Pay-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. | Self-service prepaid pay-as-you-go credits, with quote-based enterprise plans (Connect, Interact, Transact) requiring sales contact. |
| SMS starting price | Not published (rates shown per destination network via an interactive slider/quote, not a single headline price) | $0.008 per SMS to the USA (published rate) |
| Free developer credit | 5 free test SMS on signup | No |
What's the differenceBulkSMS and Clickatell are closely matched on pricing & credits — no material differences in the tracked fields.
Reach & Reliability
Global coverage and delivery dependability.
| Field | BulkSMS | Clickatell |
|---|---|---|
| Countries covered | 213 | 190 |
| Direct operator connections | No | Yes |
| Published uptime SLA | No published SLA | 99.90%–99.98% uptime (SLA, varies by plan) |
What's the differenceBulkSMS leads on Countries covered (213 vs 190 for Clickatell); Clickatell offers Direct operator connections, while BulkSMS does not.
Company & Trust
Independent reviews and company profile.
| Field | BulkSMS | Clickatell |
|---|---|---|
| G2 rating | 4.6 | 4.3 |
| G2 reviews | 266 | 2 |
| Ownership | private | private |
| Employees | 11-50 | 250-500 |
What's the differenceBulkSMS leads on G2 rating (4.6 vs 4.3 for Clickatell); BulkSMS leads on G2 reviews (266 vs 2 for Clickatell).
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