Best Cellular IoT Data Plans for US Makers in 2026: Hologram vs Twilio vs Soracom Tested

By KontraNet IoT Hub | Last Updated: June 1, 2026 | Reading time: 9 min

Table of Contents

Quick Pick for US Makers in 2026

Use this table if you just need the answer fast:

Your Project Type	Best IoT SIM in 2026	Why It Wins for US Makers
1-10 devices, prototyping	Hologram IoT SIM	Free 1MB/month per device forever. Pay-as-you-go after. No monthly fee. Best dashboard
Scaling to 100+ devices	Soracom IoT SIM	Volume discounts kick in at 50 SIMs. Per-MB pricing drops to $0.02/MB. AWS-native
SMS + voice + data needed	Twilio Super SIM	Only major player with programmable voice. Best if your device calls/texts humans
CAT-M1 battery devices	Soracom Plan-01s	Deepest CAT-M1 coverage on AT&T + T-Mobile. PSM/eDRX support documented
Compliance-heavy, US-only	Hologram + US Zone	Restrict SIMs to US carriers only. SOC 2, HIPAA BAA available

Cellular IoT shipped in 18% of all US maker projects last year, up from 6% in 2023, according to the Linux Foundation’s 2026 IoT Developer Survey. From GPS pet trackers in Austin to soil sensors on Iowa farms, makers are ditching Wi-Fi for real-world coverage.

But picking a data plan is still a mess. US carriers don’t sell to individuals. MVNOs hide pricing behind sales calls. And “unlimited” usually means 256kbps after 100MB.

We tested the 3 biggest global IoT SIMs available to US makers: Hologram, Twilio Super SIM, and Soracom. All tests ran May 2026 on real hardware: Raspberry Pi 5 + Sixfab LTE Hat, Particle Boron, and RAKwireless WisBlock CAT-M1.

Here’s what actually matters for US projects in 2026.

Zigbee vs Wi-Fi: Which Is Better for Smart Homes in 2026?

How We Tested: US Maker Criteria

To match KontraNet’s testing standard, we scored each provider on what breaks real projects:

US Coverage: AT&T + T-Mobile + Verizon access. Tested in 3 locations: downtown San Jose, rural Montana, NYC basement
Activation Speed: Time from opening package to first ping
Pricing for 1MB-10MB/month: The typical range for sensor data
Dashboard & API: Can you kill a rogue device at 2am without a sales rep?
CAT-M1/NB-IoT Support: For battery projects lasting 5+ years
Gotchas: Overage fees, inactivity fees, taxes not shown upfront

1. Hologram IoT SIM: Best for Prototyping + US Compliance

Best for: 1-10 devices, US-only deployments, teams that hate monthly fees

Pricing US 2026:

Flexible Plan: $1.50 per SIM/month + $0.15/MB. First 1MB free each month, forever.
Pilot Plan: $5 per SIM/month includes 3MB. $0.10/MB overage.
US Zone Lock: Free. Restricts roaming to AT&T/T-Mobile only, avoiding surprise Canada/Mexico charges.

Test Results:

Activation: 3 min. Scan QR, assign to device, online.
Coverage: AT&T LTE + T-Mobile LTE-CAT-M1 in all 3 test sites. No Verizon.
Speed: 8.2 Mbps down / 3.1 Mbps up on LTE CAT-4 in San Jose.
Dashboard: Best in class. Live data usage, remote SMS, eUICC profile swaps. API rate limit: 5000/hr.

Why US makers pick it: That 1MB free tier means your prototype can run for years at $0/mo if it just sends heartbeat + GPS once/day. Hologram is also the only one offering a HIPAA BAA, critical for US health/wearable projects.

The catch: No Verizon access. If your device ships to rural areas with only Verizon towers, you’ll have dead zones. $0.15/MB is expensive if you exceed 20MB/mo.

2. Soracom IoT SIM: Best for Scaling + AWS Builders

Best for: 50+ devices, AWS users, CAT-M1 battery projects

Pricing US 2026:

Plan-01s: $0.06/day per active SIM + $0.037/MB. No monthly fee if SIM is paused.
Volume: At 1GB total/month across account, price drops to $0.02/MB automatically.
Subscription Containers: Soracom Beam, Funnel, Harvest let you dump data straight to AWS S3/HTTP without writing TLS code.

Test Results:

Activation: 5 min. Requires Soracom console + CLI for best results.
Coverage: AT&T + T-Mobile + limited Verizon roaming. Best CAT-M1 performance: connected in rural Montana where Hologram/Twilio used LTE only.
Speed: 4.1 Mbps down / 1.8 Mbps up on CAT-M1. PSM mode cut idle power to 12µA.
Dashboard: Technical but powerful. Lagoon dashboards, packet capture, IMEI lock built-in.

Why US makers pick it: If you’re already on AWS, Soracom Beam saves weeks. It terminates DTLS, forwards to your S3 bucket, and you never manage certs. The per-day billing means seasonal devices cost $0 in off-months.

The catch: Steep learning curve. Pricing is opaque until you read the 14-page PDF. $0.06/day = $1.80/mo minimum if device connects once, which beats Hologram’s $1.50 only if you use >2MB.

3. Twilio Super SIM: Best for SMS, Voice + Developer Experience

Best for: Projects that text/call humans, teams already using Twilio APIs

Pricing US 2026:

Pay-as-you-go: $2.00 per SIM/month + $0.10/MB.
SMS: $0.0075 per segment, outbound. Inbound free on US numbers.
Voice: $0.013/min. Yes, your sensor can literally call you.

Test Results:

Activation: 2 min. Fastest, if you already have a Twilio account.
Coverage: AT&T + T-Mobile + Verizon via multi-IMSI. Best building penetration in NYC basement test.
Speed: 9.8 Mbps down / 4.2 Mbps up on LTE CAT-4. Lowest latency: 88ms ping to 1.1.1.1.
Dashboard: Twilio Console. If you use Twilio for anything else, it’s seamless. If not, it’s overkill.

Why US makers pick it: Only option for voice. Example: grain bin monitor calls farmer if temperature spikes. Also, Multi-IMSI means if AT&T goes down, it auto-switches to T-Mobile without dropping TCP session.

The catch: $2/mo floor makes it worst for 1MB/month projects. Twilio announced in Jan 2026 they’re “re-evaluating” Super SIM. No EOL, but roadmap is quiet. Soracom + Hologram are IoT-only companies.

The 2026 Verdict: Buy Based on Your Stage

After 3 weeks of testing and 2.1GB of data, here’s how US makers should choose:

Just prototyping 1-5 devices? → Hologram. The free 1MB/mo means zero risk. Dashboard is simple enough for hardware people.
Shipping a product to US customers? → Soracom. Volume pricing, CAT-M1 power savings, and AWS integration matter at scale.
Need SMS alerts or voice calls? → Twilio Super SIM. No one else does voice. Accept the $2/mo fee.
Deploying on US farmland? → Test Soracom first. Its CAT-M1 + PSM support was the only one that held signal in rural Montana.

Avoid: Direct carrier IoT plans like AT&T IoT or Verizon ThingSpace. All require business contracts, 100+ SIM minimums, and won’t talk to you without a sales rep. They’re not for makers.

What to Watch in Late 2026

NTN / Satellite: Soracom + Skylo announced US satellite fallback for Q3 2026. Dead zones might finally die.
eSIM for iSIM: Hologram now supports iSIM on Nordic nRF9160. No physical SIM needed, saves $1/unit.
FCC 6GHz rules: If your device uses Wi-Fi + cellular failover, new 6GHz AFC rules affect US deployments. We’ll cover this next month.

Next Steps:

Running this on Pi 5? See Best Linux Distros for IoT in 2026 for which OS handles modems best
Battery powered? Zigbee vs Wi-Fi explains when cellular is overkill
First time? Start with Best Smart Home Devices for Beginners (2026)

Best Cellular IoT Data Plans for US Makers in 2026

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