Comparison

AWS IoT Core vs Zephyr RTOS

No clear leader: AWS IoT Core (53.4) and Zephyr RTOS (48.6) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

AWS IoT Core full profile →Zephyr RTOS full profile →

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.

AWS IoT Core53

Zephyr RTOS49

Attribute comparison across 2 tools
Attribute	AWS IoT Core	Zephyr RTOS
vioscaleAI score	53 / 100medium · 56%	49 / 100low · 35%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	freemium	commercial
Price levelpricing.price_level	low	free
Starting pricepricing.starting_price	$0.08	-
Transparentpricing.transparent	✓	✓
Integrations
Countintegrations.count	2	1
Security
Certificationssecurity.certifications	PCI-DSS, HIPAA/HITECH, FedRAMP, GDPR, FIPS 140-3, NIST 800-171	-
Disclosure policysecurity.disclosure_policy	✓	-
Fedrampsecurity.fedramp	✓	-
Gdprsecurity.gdpr	✓	-
Hipaasecurity.hipaa	✓	-
Pcisecurity.pci	✓	-
Scorecardsecurity.scorecard	-	7.1
Trust centersecurity.trust_center	https://aws.amazon.com/security/	-
Vulnerabilitiessecurity.vulnerabilities	-	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fzephyrproject-rtos%2FZephyr&per_page=100 · Last 12m: 0
Adoption
Dependent reposadoption.dependent_repos	-	0
Github starsadoption.github_stars	-	16,789
Activity
Commits last 30dactivity.commits_last_30d	-	100
Release
Cadence daysrelease.cadence_days	-	6
Historyrelease.history	-	20 items
License
Spdxlicense.spdx	-	Apache-2.0
Language
Primarylanguage.primary	-	C
Market
Availabilitymarket.availability	Available worldwide	Available worldwide
Content
Faqcontent.faq	5 items	4 items

Score

vioscaleAI score

AWS IoT Core53 / 100medium · 56%

Zephyr RTOS49 / 100low · 35%

Pricing

Free tier

AWS IoT Core✓

Zephyr RTOS✓

Model

AWS IoT Corefreemium

Zephyr RTOScommercial

Price level

AWS IoT Corelow

Zephyr RTOSfree

Starting price

AWS IoT Core$0.08

Zephyr RTOS–

Transparent

AWS IoT Core✓

Zephyr RTOS✓

Integrations

Count

AWS IoT Core2

Zephyr RTOS1

Security

Certifications

AWS IoT CorePCI-DSS, HIPAA/HITECH, FedRAMP, GDPR, FIPS 140-3, NIST 800-171

Zephyr RTOS–

Disclosure policy

AWS IoT Core✓

Zephyr RTOS–

Fedramp

AWS IoT Core✓

Zephyr RTOS–

Gdpr

AWS IoT Core✓

Zephyr RTOS–

Hipaa

AWS IoT Core✓

Zephyr RTOS–

Pci

AWS IoT Core✓

Zephyr RTOS–

Scorecard

AWS IoT Core–

Zephyr RTOS7.1

Trust center

AWS IoT Corehttps://aws.amazon.com/security/

Zephyr RTOS–

Vulnerabilities

AWS IoT Core–

Zephyr RTOSCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fzephyrproject-rtos%2FZephyr&per_page=100 · Last 12m: 0

Adoption

Dependent repos

AWS IoT Core–

Zephyr RTOS0

Github stars

AWS IoT Core–

Zephyr RTOS16,789

Activity

Commits last 30d

AWS IoT Core–

Zephyr RTOS100

Release

Cadence days

AWS IoT Core–

Zephyr RTOS6

History

AWS IoT Core–

Zephyr RTOS20 items

License

Spdx

AWS IoT Core–

Zephyr RTOSApache-2.0

Language

Primary

AWS IoT Core–

Zephyr RTOSC

Market

Availability

AWS IoT CoreAvailable worldwide

Zephyr RTOSAvailable worldwide

Content

Faq

AWS IoT Core5 items

Zephyr RTOS4 items

Capabilities

Feature-by-feature on the axes that matter for embedded iot dev. “-” means undocumented, not absent.

Capability comparison for Embedded IOT Dev
Capability	AWS IoT Core	Zephyr RTOS
Capabilities
Target class	-	Both
Rtos type	-	-
Low power support	-	-
Tls dtls stack	✓	-
Ota updates	✓	-
Device management console	-	-
Device provisioning	-	-
Open source	-	✓
PSA certified	-	-
Rust support	-	-

Capabilities

Target class

AWS IoT Core-

Zephyr RTOSBoth

Rtos type

AWS IoT Core-

Zephyr RTOS-

Low power support

AWS IoT Core-

Zephyr RTOS-

Tls dtls stack

AWS IoT Core✓

Zephyr RTOS-

Ota updates

AWS IoT Core✓

Zephyr RTOS-

Device management console

AWS IoT Core-

Zephyr RTOS-

Device provisioning

AWS IoT Core-

Zephyr RTOS-

Open source

AWS IoT Core-

Zephyr RTOS✓

PSA certified

AWS IoT Core-

Zephyr RTOS-

Rust support

AWS IoT Core-

Zephyr RTOS-

What each one is

The product in its own terms, so the numbers below have context.

AWS IoT Core

An AWS cloud service providing a managed MQTT message broker for securely connecting millions of IoT devices using end-to-end encryption and mutual authentication, with message routing and fleet management capabilities.

Independently observed

Zephyr RTOS

An RTOS that enables real-time task management on memory and power-limited embedded devices, supporting a wide range of processor architectures from simple sensors to network-connected applications.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

AWS IoT Core

from $0.08/connection-minutesUsage-basedFree tier365-day trial

Usage-based pricing. Connectivity from $0.08/million connection-minutes, messaging from $1/million messages. 12-month free tier included for new AWS accounts.

Pay-as-You-Go$0.08 per 1000000 connection-minutes + $1 per 1000000 messages + $1.25 per 1000000 operations + $0.15 per 1000000 rules-or-actions
- Device connectivity
- MQTT and HTTP messaging
- Device Shadow state storage
- Device registry
- Rules engine for message transformation and routing
- +4 more

as of 2026-09-05verify ↗

Zephyr RTOS

Open sourceFree tier

as of 2026-08-21verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	AWS IoT Core	Zephyr RTOS
WebPlatforms	✓	-
Cloud / SaaSDeployment	✓	✗
Self-hostedDeployment	✗	✓

Platforms

Web

AWS IoT Core✓

Zephyr RTOS–

Deployment

Cloud / SaaS

AWS IoT Core✓

Zephyr RTOS✗

Self-hosted

AWS IoT Core✗

Zephyr RTOS✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

AWS IoT Core

2 total

Amazon S3
Amazon CloudWatch

Independently observed

Zephyr RTOS

1 total

PlatformIO

Independently observed

Still deciding?

AWS IoT Core or Zephyr RTOS: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.