Comparison
Overview
Company snapshot and where each provider is based.
| Field | Mitto | Rule |
|---|---|---|
| What it is | Swiss omnichannel CPaaS provider offering SMS, RCS, WhatsApp, Viber, Telegram, Facebook Messenger and voice messaging APIs for business communications. | Swedish marketing automation platform (Rule Communication Nordic AB) for email, SMS and RCS campaigns, with a REST API for transactional message sending. |
| Founded | 2013 | 2007 |
| Ownership | private | private |
| Employees | 100-250 | 10-50 |
| HQ city | Zug | Stockholm |
| HQ country | Switzerland | Sweden (EU) |
What's the differenceMitto edges ahead on the overall messaging.dev Score (48 vs 28). Mitto is private and headquartered in Zug, Switzerland; Rule is private and based in Stockholm, Sweden (EU).
Channels
Which messaging channels each provider can send and receive on.
| Field | Mitto | Rule |
|---|---|---|
| SMS | Yes | Yes |
| MMS | No | No |
| RCS | Yes | Yes |
| Yes | No | |
| Viber | Yes | No |
| Facebook Messenger | Yes | No |
| Telegram | Yes | No |
| Apple Messages for Business | No | No |
| Voice | Yes | No |
| No | Yes |
What's the differenceThey share 2 channels. Mitto additionally offers WhatsApp, Viber, Facebook Messenger, Telegram, Voice, while Rule additionally offers Email.
Developer Experience
How quickly a developer can sign up and send a first message.
| Field | Mitto | Rule |
|---|---|---|
| Self-service onboarding | Yes | Yes |
| Free developer credit | No | No |
| Docs quality | med | med |
| Documentation | Open ↗ | Open ↗ |
| SDKs | — | Node.js, PHP |
| Sandbox / test env | Yes | No |
| API types | REST, SMPP | REST |
What's the differenceOn SDKs, Rule adds Node.js, PHP; Mitto offers Sandbox / test env, while Rule does not; on API types, Mitto adds SMPP.
Data & Compliance
Data residency options and enterprise compliance certifications.
| Field | Mitto | Rule |
|---|---|---|
| EU data residency | No | Yes |
| US data residency | No | No |
| Choose region | No | No |
| GDPR | Yes | Yes |
| ISO 27001 | Yes | No |
| SOC 2 | No | No |
| HIPAA | No | No |
What's the differenceRule offers EU data residency, while Mitto does not; Mitto offers ISO 27001, while Rule does not.
Data Retention
How long message content and metadata are stored, and whether that is configurable.
| Field | Mitto | Rule |
|---|---|---|
| Retention policy | Per-message retention of content (textRetention) and of the recipient number (toRetention) can be set per API request to Undefined, Retain, or Discard; no global retention duration is publicly documented. Per the privacy policy, account/registration data is kept until deletion is requested and contact-form data until the conversation ends. | Privacy policy states Rule only works with partners that process personal data within the EU/EEA (or that maintain an equivalent level of protection), keeps data only as long as a customer relationship exists or it remains relevant, and does not use marketing data older than 3 years. No specific retention period for message content or logs is publicly documented. |
What's the differenceMitto: Per-message retention of content (textRetention) and of the recipient number (toRetention) can be set per API request to Undefined, Retain, or Discard; no global retention duration is publicly documented. Per the privacy policy, account/registration data is kept until deletion is requested and contact-form data until the conversation ends. Rule: Privacy policy states Rule only works with partners that process personal data within the EU/EEA (or that maintain an equivalent level of protection), keeps data only as long as a customer relationship exists or it remains relevant, and does not use marketing data older than 3 years. No specific retention period for message content or logs is publicly documented.
Pricing & Credits
Pricing model and the cost of a first message.
| Field | Mitto | Rule |
|---|---|---|
| Pricing model | Pay-as-you-go — pay only for what you use with no contracts, plus volume discounts and custom plans via sales. | Subscription tiers by contact-list size (free 250-contact plan without SMS, Professional from €595/month for 2,500 contacts, custom Enterprise) plus per-message SMS/RCS fees; a standalone SMS/RCS plan with unlimited contacts costs €100/month plus per-message rates. |
| SMS starting price | Not published | From €0.04 per SMS (0.40 SEK per SMS in Sweden), on top of the monthly plan |
| Free developer credit | No | No |
What's the differenceMitto and Rule are closely matched on pricing & credits — no material differences in the tracked fields.
Reach & Reliability
Global coverage and delivery dependability.
| Field | Mitto | Rule |
|---|---|---|
| Countries covered | 230 | 0 |
| Direct operator connections | Yes | No |
| Published uptime SLA | No published SLA | No published SLA |
What's the differenceMitto leads on Countries covered (230 vs 0 for Rule); Mitto offers Direct operator connections, while Rule does not.
Company & Trust
Independent reviews and company profile.
| Field | Mitto | Rule |
|---|---|---|
| G2 rating | 4.0 | 4.5 |
| G2 reviews | 2 | 9 |
| Ownership | private | private |
| Employees | 100-250 | 10-50 |
What's the differenceRule leads on G2 rating (4.5 vs 4 for Mitto); Rule leads on G2 reviews (9 vs 2 for Mitto).
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