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Sixfab

Budget-Friendly

Developer-friendly IoT connectivity platform offering multi-IMSI SIMs across 180+ countries with PAYG pricing.

4.1 / 5(our rating)180 countriesUnited StatesFounded 2016Verified March 2026

Overview

Sixfab is a developer-friendly IoT connectivity platform based in San Jose, California, offering multi-IMSI SIMs with coverage across 180+ countries through 400+ networks. Built on Arm ecosystem partnerships, Sixfab combines hardware expertise with connectivity — offering cellular HATs for Raspberry Pi alongside their SIM service. Their transparent PAYG pricing ($3/SIM + $2/month + $0.10/MB) makes them popular with developers and prototypers scaling from proof-of-concept to production.

Features

Multi-IMSI auto-carrier switching
400+ network partnerships
Transparent PAYG pricing
Raspberry Pi cellular HATs
Developer-friendly API
Real-time monitoring dashboard

Technical Details

Network Technologies
2G3G4G/LTELTE-MNB-IoT
SIM Form Factors
Mini (2FF)Micro (3FF)Nano (4FF)eSIM
Platform

Sixfab Connect portal, REST API, real-time monitoring

Data Pooling

Static IP

Multi-IMSI

Pros

  • Transparent pricing — no hidden fees or contracts
  • Excellent developer experience with hardware + connectivity
  • Multi-IMSI for reliable carrier failover
  • Great for Raspberry Pi and prototyping projects

Cons

  • Per-MB data rates ($0.10/MB) expensive at scale
  • Hardware-focused roots — pure connectivity platform less mature
  • Smaller support team than enterprise providers

Frequently Asked Questions

Pricing

$3/SIM activation + $2/month + $0.10/MB PAYG data

Pricing sourced from provider website. Contact provider to verify current rates.

Coverage Regions

USUKEUGlobal

Best For

Prototyping & DevelopmentEdge ComputingRemote MonitoringSmart AgricultureIndustrial IoT

What Sets Them Apart

Developer-first IoT connectivity with hardware integration and transparent PAYG pricing.

Contract & Support

Contract

No contract, pay-as-you-go

Min. Order

1 SIM

Support

Community forum, email support, developer docs

The information presented on this page has been sourced directly from the provider's website and publicly available materials. While accurate at the time of publication, details including pricing, features, and coverage are subject to change. We recommend verifying all information directly with the provider before making any purchasing decisions. Editorial ratings reflect our independent assessment and do not represent aggregated customer reviews.