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CloudAMQP vs Keil MDK

CloudAMQP logo

CloudAMQP

Technology

Managed RabbitMQ and LavinMQ clusters, hosted and fully managed

From
Free
Free plan
Yes
Full reviewWebsite
Keil MDK logo

Keil MDK

Developer Tools

Microcontroller Development Kit for Arm-based devices

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: CloudAMQP free tier messaging limits are low: 1-2M messages/month; Keil MDK pricing for Essential and Professional subscriptions not disclosed on primary site
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which CloudAMQP and Keil MDK actually diverge.

Attributes where CloudAMQP and Keil MDK differ
AttributeCloudAMQPKeil MDK
CategoryTechnologyDeveloper Tools

Identical on both: starting price (Free), pricing model (freemium), free tier (Yes), platforms (Web), user rating (Not yet rated).

What people use each for

The jobs each tool is most often brought in to do.

CloudAMQP

  • Message queue servicesnot Keil MDK
  • Message brokers for distributed systemsnot Keil MDK
  • RabbitMQ and LavinMQ hostingnot Keil MDK
  • Asynchronous task processingnot Keil MDK

Keil MDK

  • Embedded software developmentnot CloudAMQP
  • ARM microcontroller programmingnot CloudAMQP
  • Professional development environmentsnot CloudAMQP

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

CloudAMQP

  • Free tier messaging limits are low: 1-2M messages/month
  • Free tier connection limits are restrictive: 20-40
  • Multi-tenant plans have queue limits (200-2,000 max)
  • Dedicated plans expensive at scale: up to $14,995-$17,495/month
  • Extra disk space add-on at $0.35/month per GB may add significant cost

Keil MDK

  • Pricing for Essential and Professional subscriptions not disclosed on primary site
  • Customers must contact Arm Developer Tools store for subscription rates

Pricing, plan by plan

CloudAMQP

Free
  • LavinMQ - Loyal Lemming (Free)Free
    • 2 million messages per month
    • 40 connection limit
    • 200 queue maximum
  • RabbitMQ - Little Lemur (Free)Free
    • 1 million messages per month
    • 20 connection limit
    • 100 queue maximum
  • LavinMQ - Elegant Ermine$19/month
    • 20 million messages per month
    • 200 connections
    • 2,000 queue maximum
  • RabbitMQ - Tough Tiger$19/month
    • 10 million messages per month
    • 100 connections
    • 1,000 queue maximum

Keil MDK

Free

No published plan breakdown. See the Keil MDK review.

Which should you pick?

Choose CloudAMQP if

  • You want to start without paying.
CloudAMQP review

Choose Keil MDK if

  • You want to start without paying.
Keil MDK review

Questions people ask

Is CloudAMQP or Keil MDK better?
Neither clearly leads. CloudAMQP starts at Free and Keil MDK at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, CloudAMQP or Keil MDK?
CloudAMQP starts at Free and Keil MDK at Free.
Does CloudAMQP or Keil MDK run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use CloudAMQP for free?
Both have a free tier, so you can try either at no cost before committing.
What is CloudAMQP best used for?
CloudAMQP is most often used for message queue services, message brokers for distributed systems, rabbitmq and lavinmq hosting, asynchronous task processing. Of those, message queue services and message brokers for distributed systems are not what Keil MDK is typically brought in for.

Answered from the vendors’ own pages

CloudAMQP: Does CloudAMQP offer free plans?

Yes, CloudAMQP offers free tiers: LavinMQ Loyal Lemming with 2M messages/month, and RabbitMQ Little Lemur with 1M messages/month. Both include connection and queue limits.

Source
Keil MDK: Does Keil MDK have a free version?

Yes, Keil MDK Community Edition is free for non-commercial projects. Essential and Professional editions are available as monthly or annual subscriptions.

Source
CloudAMQP: What is the cheapest paid plan?

Both LavinMQ Elegant Ermine and RabbitMQ Tough Tiger cost $19/month. LavinMQ includes 20M messages/month with 200 connections; RabbitMQ includes 10M messages/month with 100 connections.

Source
Keil MDK: How much do Keil MDK paid editions cost?

Specific pricing for Essential and Professional editions is not published on the main site. Rates are available from the Arm Developer Tools store or by contacting Arm sales.

Source
CloudAMQP: How are messages charged on CloudAMQP?

CloudAMQP plans include monthly message quotas. All plans are charged on a per-second basis with monthly billing cycles.

Source
CloudAMQP: What add-ons are available?

CloudAMQP offers Virtual Private Cloud add-on at $99/month, and extra disk space at $0.35/month per GB (25-2,000 GB available).

Source
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