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Developer Tools · head to head

Keil MDK vs Wasabi

Keil MDK logo

Keil MDK

Developer Tools

Microcontroller Development Kit for Arm-based devices

From
Free
Free plan
Yes
Full reviewWebsite
Wasabi logo

Wasabi

Cloud

Hot cloud storage without egress fees

From
$7.99/month
Free plan
No
Full reviewWebsite

The short version

  • Only Keil MDK has a free tier, so it costs nothing to try first.
  • Each has a real cost: Keil MDK pricing for Essential and Professional subscriptions not disclosed on primary site; Wasabi 90-day minimum storage duration with no option to delete before full period without penalty
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where Keil MDK and Wasabi differ
AttributeKeil MDKWasabi
Starting priceFree$7.99/month
Pricing modelfreemiumUnknown
Free tierYesNo
PlatformsWebWeb, API
CategoryDeveloper ToolsCloud
FoundedUnknown2015

Identical on both: 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 Wasabi does not also cover.

Only in Wasabi

  • Hot Cloud Storage
  • S3 Compatible API
  • Object Lock
  • Versioning
  • Multi-region
  • Data Migration Tools
  • Immutability
  • Ransomware Protection

What people use each for

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

Keil MDK

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

Wasabi

  • Backup and recoverynot Keil MDK
  • Media storagenot Keil MDK
  • Archive replacementnot Keil MDK
  • Ransomware protectionnot 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

Wasabi

  • 90-day minimum storage duration with no option to delete before full period without penalty
  • Significantly smaller global footprint than AWS with only 16 regions, resulting in higher latency for users in underserved regions
  • Performance can degrade with high-volume transactions requiring throughput management strategies
  • Hot storage only, no cold/archival storage tier for long-term data at lower cost
  • Support responsiveness gaps with teams experiencing multi-day waits for critical issue resolution

Pricing, plan by plan

Keil MDK

Free

No published plan breakdown. See the Keil MDK review.

Wasabi

$7.99/month

No published plan breakdown. See the Wasabi review.

Which should you pick?

Choose Keil MDK if

  • You want to start without paying.
Keil MDK review

Choose Wasabi if

  • You need hot cloud storage.
  • You work on Web, API.
  • You also want s3 compatible api.
Wasabi review

Questions people ask

Is Keil MDK or Wasabi better?
Neither clearly leads. Keil MDK starts at Free and Wasabi at $7.99/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Keil MDK or Wasabi?
Keil MDK has a free tier; the other does not. Paid plans start at Free for Keil MDK and $7.99/month for Wasabi.
Does Keil MDK or Wasabi run on more platforms?
Keil MDK runs on Web. Wasabi runs on Web, API.
Can I use Keil MDK for free?
Yes. Keil MDK has a free tier, so you can try it without paying. Wasabi starts at $7.99/month.
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 Wasabi is typically brought in for.
What can Keil MDK do that Wasabi cannot?
Wasabi covers Hot Cloud Storage, S3 Compatible API, Object Lock, Versioning.

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
Wasabi: What is Wasabi's pricing structure?

Wasabi offers pay-as-you-go pricing at $7.99 per TB per month as of July 2026, with no egress or API request fees. Reserved capacity plans are available for multi-year terms with volume discounts.

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
Wasabi: Does Wasabi charge for data downloads or API calls?

No. Wasabi includes zero egress fees and zero API request fees, which is a major cost advantage over AWS S3. Customers can plan their budget to the penny without worrying about surprise data transfer charges.

Source
Wasabi: Is there a minimum storage duration requirement?

Yes. Wasabi enforces a 90-day minimum storage term. Users who delete data before 90 days are still charged for the full 90-day period.

Source
Wasabi: Is Wasabi S3-compatible?

Yes. Wasabi Hot Cloud Storage is fully S3-compatible, meaning organizations can integrate it into existing workflows without rewriting application code used with AWS S3.

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