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Fitness · head to head

Strong vs Stronger by Science

Strong logo

Strong

Fitness

Simple workout logging

From
Free
Rated
-
Full reviewWebsite
Stronger by Science logo

Stronger by Science

Fitness

Evidence-based strength training

From
$10/one-time
Rated
-
Full reviewWebsite

The short version

  • Only Strong has a free tier, so it costs nothing to try first.
  • Each has a real cost: Strong limited social and community features compared to newer competitors; Stronger by Science limited interactive features compared to competitors with video form coaching
  • They diverge on capability: Strong covers Simple logging, Stronger by Science covers Evidence-based programs.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Strong and Stronger by Science actually diverge.

Attributes where Strong and Stronger by Science differ
AttributeStrongStronger by Science
Starting priceFree$10/one-time
Pricing modelUnknownone-time
Free tierYesNo
PlatformsiOS, AndroidWeb
Founded20112015

Identical on both: user rating (Not yet rated), category (Fitness).

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 Strong

  • Simple logging
  • Rest timer
  • Personal records
  • Progress charts
  • Routine templates
  • Apple Health
  • Apple Watch
  • Ios support

Only in Stronger by Science

  • Evidence-based programs
  • Auto-regulated training
  • Progress tracking
  • RPE-based progression
  • Customizable templates
  • Google Sheets
  • Excel
  • Web support

What people use each for

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

Strong

  • Workout tracking
  • Nutrition management
  • Health monitoring
  • Fitness coaching
  • Wellness improvement

Stronger by Science

  • Workout tracking
  • Nutrition management
  • Health monitoring
  • Fitness coaching
  • Wellness improvement

Both are used for workout tracking, nutrition management, health monitoring, fitness coaching, wellness improvement, on those jobs the choice comes down to price and fit rather than capability.

Where each one falls short

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

Strong

  • Limited social and community features compared to newer competitors
  • No web-based dashboard or export options in free tier
  • Analytics require paid Pro subscription
  • No integration with fitness wearables or health apps in free plan

Stronger by Science

  • Limited interactive features compared to competitors with video form coaching

Pricing, plan by plan

Strong

Free

No published plan breakdown. See the Strong review.

Stronger by Science

$10/one-time
  • Program Bundle$10/one-time
    • Multiple programs
    • Spreadsheet templates
    • Auto-regulation

Which should you pick?

Choose Strong if

  • You need simple logging.
  • You want to start without paying.
  • You work on iOS, Android.
  • You also want rest timer.
Strong review

Choose Stronger by Science if

  • You need evidence-based programs.
  • You also want auto-regulated training.
Stronger by Science review

Questions people ask

Is Strong or Stronger by Science better?
Neither clearly leads. Strong starts at Free and Stronger by Science at $10/one-time, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Strong or Stronger by Science?
Strong has a free tier; the other does not. Paid plans start at Free for Strong and $10/one-time for Stronger by Science.
Does Strong or Stronger by Science run on more platforms?
Strong runs on iOS, Android. Stronger by Science runs on Web.
Can I use Strong for free?
Yes. Strong has a free tier, so you can try it without paying. Stronger by Science starts at $10/one-time.
What is Strong best used for?
Strong is most often used for workout tracking, nutrition management, health monitoring, fitness coaching.
What can Strong do that Stronger by Science cannot?
Strong covers Simple logging, Rest timer, Personal records, Progress charts. Stronger by Science covers Evidence-based programs, Auto-regulated training, Progress tracking, RPE-based progression.

Answered from the vendors’ own pages

Strong: Does Strong have a free version?

Yes. Strong offers a free version with basic workout tracking and limited routine storage.

Source
Stronger by Science: Does Stronger by Science offer free training content?

Yes. Stronger by Science publishes extensive free articles on strength training, programming, nutrition, and evidence-based training techniques.

Source
Strong: What does Strong Pro include?

Strong Pro costs $4.99/month or $29.99/year and adds unlimited routines, full analytics, custom themes, and advanced tracking features.

Source
Strong: What platforms does Strong support?

Strong is available on iOS and Android with full feature parity across both platforms.

Source
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