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Developer Tools · head to head

Keil MDK vs Vultr

Keil MDK logo

Keil MDK

Developer Tools

Microcontroller Development Kit for Arm-based devices

From
Free
Free plan
Yes
Full reviewWebsite
Vultr logo

Vultr

Cloud

High performance cloud compute

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Keil MDK pricing for Essential and Professional subscriptions not disclosed on primary site; Vultr vultr Cloud Compute pricing as captured 31 December 2022 started at $5/month (1 vCPU, 1GB RAM, 25GB storage, 1TB transfer), scaling to $10/month and $20/month with more vCPU/RAM/storage; bandwidth overage billed at $0.01 to $0.05 per GB depending on plan
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where Keil MDK and Vultr differ
AttributeKeil MDKVultr
Pricing modelfreemiumusage-based
PlatformsWebWeb, Api, Cli
CategoryDeveloper ToolsCloud
FoundedUnknown2014

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Keil MDK

Nothing recorded that Vultr does not also cover.

Only in Vultr

  • Cloud servers
  • Bare metal servers
  • Block storage
  • Object storage
  • Load balancers
  • Kubernetes
  • Firewalls
  • Private networks

What people use each for

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

Keil MDK

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

Vultr

  • High performance computingnot Keil MDK
  • Game serversnot Keil MDK
  • Streamingnot Keil MDK
  • Database hostingnot Keil MDK
  • Application serversnot Keil MDK

Where each one falls short

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

Keil MDK

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

Vultr

  • Vultr Cloud Compute pricing as captured 31 December 2022 started at $5/month (1 vCPU, 1GB RAM, 25GB storage, 1TB transfer), scaling to $10/month and $20/month with more vCPU/RAM/storage; bandwidth overage billed at $0.01 to $0.05 per GB depending on plan

Pricing, plan by plan

Keil MDK

Free

No published plan breakdown. See the Keil MDK review.

Vultr

Free
  • Cloud Compute$2.5/month
    • 512MB RAM
    • 10GB SSD
    • 500GB bandwidth
  • Bare Metal$32/month
    • Dedicated hardware
    • High performance
    • Full root access

Which should you pick?

Choose Keil MDK if

  • You want to start without paying.
Keil MDK review

Choose Vultr if

  • You need cloud servers.
  • You want to start without paying.
  • You work on Web, Api, Cli.
  • You also want bare metal servers.
Vultr review

Questions people ask

Is Keil MDK or Vultr better?
Neither clearly leads. Keil MDK starts at Free and Vultr at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Keil MDK or Vultr?
Keil MDK starts at Free and Vultr at Free.
Does Keil MDK or Vultr run on more platforms?
Keil MDK runs on Web. Vultr runs on Web, Api, Cli.
Can I use Keil MDK for free?
Both have a free tier, so you can try either at no cost before committing.
What is Keil MDK best used for?
Keil MDK is most often used for embedded software development, arm microcontroller programming, professional development environments. Of those, embedded software development and arm microcontroller programming are not what Vultr is typically brought in for.
What can Keil MDK do that Vultr cannot?
Vultr covers Cloud servers, Bare metal servers, Block storage, Object storage.

Answered from the vendors’ own pages

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
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
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