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Developer Tools · head to head

Keil MDK vs Surfshark

Keil MDK logo

Keil MDK

Developer Tools

Microcontroller Development Kit for Arm-based devices

From
Free
Free plan
Yes
Full reviewWebsite
Surfshark logo

Surfshark

Cybersecurity

Secure your digital life

From
$1.78/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; Surfshark smaller server network (4,500+ servers) compared to larger competitors like NordVPN
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where Keil MDK and Surfshark differ
AttributeKeil MDKSurfshark
Starting priceFree$1.78/month
Pricing modelfreemiumUnknown
Free tierYesNo
PlatformsWebWindows, macOS, iOS, Android, Linux
CategoryDeveloper ToolsCybersecurity
FoundedUnknown2018

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 Surfshark does not also cover.

Only in Surfshark

  • Unlimited devices
  • CleanWeb ad blocker
  • MultiHop
  • Camouflage Mode
  • NoBorders mode
  • Kill Switch
  • Bypasser split tunneling
  • Rotating IP

What people use each for

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

Keil MDK

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

Surfshark

  • Vpnnot Keil MDK
  • Privacynot Keil MDK
  • Security Suitenot 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

Surfshark

  • Smaller server network (4,500+ servers) compared to larger competitors like NordVPN
  • Lower brand recognition compared to established VPN providers
  • Limited customer service availability in some time zones

Pricing, plan by plan

Keil MDK

Free

No published plan breakdown. See the Keil MDK review.

Surfshark

$1.78/month
  • Starter$1.78/month
    • Unlimited simultaneous connections
    • 4,500+ servers
    • Basic VPN
  • One$3.59/month
    • VPN
    • Antivirus
    • Personal data leak alert
  • One+$4/month
    • All One features
    • Incogi included

Which should you pick?

Choose Keil MDK if

  • You want to start without paying.
Keil MDK review

Choose Surfshark if

  • You need unlimited devices.
  • You work on Windows, macOS, iOS, Android, Linux.
  • You also want cleanweb ad blocker.
Surfshark review

Questions people ask

Is Keil MDK or Surfshark better?
Neither clearly leads. Keil MDK starts at Free and Surfshark at $1.78/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Keil MDK or Surfshark?
Keil MDK has a free tier; the other does not. Paid plans start at Free for Keil MDK and $1.78/month for Surfshark.
Does Keil MDK or Surfshark run on more platforms?
Keil MDK runs on Web. Surfshark runs on Windows, macOS, iOS, Android, Linux.
Can I use Keil MDK for free?
Yes. Keil MDK has a free tier, so you can try it without paying. Surfshark starts at $1.78/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 Surfshark is typically brought in for.
What can Keil MDK do that Surfshark cannot?
Surfshark covers Unlimited devices, CleanWeb ad blocker, MultiHop, Camouflage Mode.

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
Surfshark: Does Surfshark maintain a no-logs policy?

Yes. Surfshark does not log browsing history, visited IP addresses, bandwidth usage, or network traffic. This policy was independently verified by Deloitte in 2025.

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
Surfshark: How many simultaneous device connections does Surfshark allow?

Surfshark allows unlimited simultaneous connections on all subscription plans, enabling protection of every device in a household with a single subscription.

Source
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