Softwr

Developer Tools · head to head

Keil MDK vs RescueTime

Keil MDK logo

Keil MDK

Developer Tools

Microcontroller Development Kit for Arm-based devices

From
Free
Free plan
Yes
Full reviewWebsite
RescueTime logo

RescueTime

Technology

Take back control of your time

From
$12/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; RescueTime no free tier since 2023, making it costly for individual experimentation
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where Keil MDK and RescueTime differ
AttributeKeil MDKRescueTime
Starting priceFree$12/month
Pricing modelfreemiumUnknown
Free tierYesNo
PlatformsWebWindows, macOS, Android, Web
CategoryDeveloper ToolsTechnology
FoundedUnknown2006

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 RescueTime does not also cover.

Only in RescueTime

  • Automatic time tracking
  • Productivity scoring
  • Detailed categorization
  • FocusTime blocking
  • Goal setting
  • Alerts & notifications
  • Offline time entry
  • API access

What people use each for

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

Keil MDK

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

RescueTime

  • Personal productivity trackingnot Keil MDK
  • Time auditnot Keil MDK
  • Focus improvementnot Keil MDK
  • Work-life balancenot Keil MDK
  • Team productivity analysisnot 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

RescueTime

  • No free tier since 2023, making it costly for individual experimentation
  • Limited iOS support compared to competitors that offer full mobile app access
  • Requires integration via categories and rules rather than direct app detection on some platforms

Pricing, plan by plan

Keil MDK

Free

No published plan breakdown. See the Keil MDK review.

RescueTime

$12/month
  • Standard$12/month
    • Automatic time tracking
    • Focus Time
    • Idle time monitoring
  • Team$6/month
    • All Standard features
    • Team analytics
    • Cross-device tracking

Which should you pick?

Choose Keil MDK if

  • You want to start without paying.
Keil MDK review

Choose RescueTime if

  • You need automatic time tracking.
  • You work on Windows, macOS, Android, Web.
  • You also want productivity scoring.
RescueTime review

Questions people ask

Is Keil MDK or RescueTime better?
Neither clearly leads. Keil MDK starts at Free and RescueTime at $12/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Keil MDK or RescueTime?
Keil MDK has a free tier; the other does not. Paid plans start at Free for Keil MDK and $12/month for RescueTime.
Does Keil MDK or RescueTime run on more platforms?
Keil MDK runs on Web. RescueTime runs on Windows, macOS, Android, Web.
Can I use Keil MDK for free?
Yes. Keil MDK has a free tier, so you can try it without paying. RescueTime starts at $12/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 RescueTime is typically brought in for.
What can Keil MDK do that RescueTime cannot?
RescueTime covers Automatic time tracking, Productivity scoring, Detailed categorization, FocusTime blocking.

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
RescueTime: Does RescueTime still have a free tier?

No. RescueTime discontinued its free tier in 2023. The service now requires a paid subscription starting at $12 per month or $78 per year.

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
RescueTime: What platforms does RescueTime support?

RescueTime supports Windows, macOS, Android, and web. iOS support is limited to passive features like calendar sync and mobile summary emails.

Source
RescueTime: What are the key productivity features in RescueTime?

RescueTime offers automatic time tracking, Focus Time for blocking distractions, idle time monitoring, goal-setting with reminders, and in 2026 adds AI-Based Focus Sessions with real-time alerts to detect poor focus patterns.

Source
RescueTime: Is there a team plan for RescueTime?

Yes. The team plan costs $6 per user per month when billed annually, with a minimum of 3 users required.

Source
Share

Related pages

More on Keil MDK

More on RescueTime

Keep looking

Other head to heads