Comparison
Overview
Company snapshot and where each provider is based.
| Field | seven.io | TextBolt |
|---|---|---|
| What it is | German CPaaS platform (formerly sms77) providing SMS, RCS, WhatsApp and voice APIs with data processed on German-hosted infrastructure. | 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. |
| Founded | 2003 | 2019 |
| Ownership | private | private |
| Employees | 2-10 | 11-50 |
| HQ city | Kiel | Mesa |
| HQ country | Germany (EU) | USA |
What's the differenceseven.io edges ahead on the overall messaging.dev Score (42 vs 17). seven.io is private and headquartered in Kiel, Germany (EU); TextBolt is private and based in Mesa, USA.
Channels
Which messaging channels each provider can send and receive on.
| Field | seven.io | TextBolt |
|---|---|---|
| SMS | Yes | Yes |
| MMS | No | No |
| RCS | Yes | No |
| Yes | No | |
| Viber | No | No |
| Facebook Messenger | No | No |
| Telegram | No | No |
| Apple Messages for Business | No | No |
| Voice | Yes | No |
| No | No |
What's the differenceThey share 1 channels. seven.io additionally offers RCS, WhatsApp, Voice.
Developer Experience
How quickly a developer can sign up and send a first message.
| Field | seven.io | TextBolt |
|---|---|---|
| Self-service onboarding | Yes | Yes |
| Free developer credit | €0.50 free test credit | No |
| Docs quality | high | low |
| Documentation | Open ↗ | Open ↗ |
| SDKs | PHP, JavaScript, Python, Go, Ruby, .NET, Rust, Kotlin, Elixir, Swift | — |
| Sandbox / test env | Yes | No |
| API types | REST, SMPP, SMTP | SMTP |
What's the differenceOn SDKs, seven.io adds PHP, JavaScript, Python, Go, Ruby, .NET, Rust, Kotlin, Elixir, Swift; seven.io offers Sandbox / test env, while TextBolt does not; on API types, seven.io adds REST, SMPP.
Data & Compliance
Data residency options and enterprise compliance certifications.
| Field | seven.io | TextBolt |
|---|---|---|
| EU data residency | Yes | No |
| US data residency | No | Yes |
| Choose region | No | No |
| GDPR | Yes | No |
| ISO 27001 | Yes | No |
| SOC 2 | No | No |
| HIPAA | No | No |
What's the differenceSeven.io offers EU data residency, while TextBolt does not; TextBolt offers US data residency, while seven.io does not; seven.io offers GDPR, while TextBolt does not; seven.io offers ISO 27001, while TextBolt does not.
Data Retention
How long message content and metadata are stored, and whether that is configurable.
| Field | seven.io | TextBolt |
|---|---|---|
| Retention policy | Log files are stored only for the legally required period and subsequently anonymized, following a stated data-minimization principle; exact message-content retention periods are not publicly documented in detail. Processing runs on German/EU infrastructure ("Pure EU Routing") in ISO 27001-certified data centers, with an online-signable DPA available. | 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 differenceseven.io: Log files are stored only for the legally required period and subsequently anonymized, following a stated data-minimization principle; exact message-content retention periods are not publicly documented in detail. Processing runs on German/EU infrastructure ("Pure EU Routing") in ISO 27001-certified data centers, with an online-signable DPA available. 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.
| Field | seven.io | TextBolt |
|---|---|---|
| Pricing model | Prepaid pay-as-you-go: top up account balance and pay per message sent, with no monthly fee or subscription required for API access. | 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 price | €0.075 per SMS (base rate incl. Germany and most EU countries); non-EU rates vary by country | $0.030 per SMS segment (Enterprise 5,000+ credits/mo, US/Canada); $0.058/segment on the $29/mo Basic plan |
| Free developer credit | €0.50 free test credit | No |
What's the differenceseven.io and TextBolt are closely matched on pricing & credits — no material differences in the tracked fields.
Reach & Reliability
Global coverage and delivery dependability.
| Field | seven.io | TextBolt |
|---|---|---|
| Countries covered | 0 | 2 |
| Direct operator connections | No | No |
| Published uptime SLA | No published SLA | 99.9% (Enterprise plan) |
What's the differenceTextBolt leads on Countries covered (2 vs 0 for seven.io).
Company & Trust
Independent reviews and company profile.
| Field | seven.io | TextBolt |
|---|---|---|
| G2 rating | 0.0 | 0.0 |
| G2 reviews | 0 | 0 |
| Ownership | private | private |
| Employees | 2-10 | 11-50 |
What's the differenceseven.io and TextBolt are closely matched on company & trust — no material differences in the tracked fields.
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