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Fitness · head to head

Stronger by Science vs Trainerize

Stronger by Science logo

Stronger by Science

Fitness

Evidence-based strength training

From
$10/one-time
Rated
-
Full reviewWebsite
Trainerize logo

Trainerize

Fitness

Online personal training software

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Trainerize has a free tier, so it costs nothing to try first.
  • Each has a real cost: Stronger by Science limited interactive features compared to competitors with video form coaching; Trainerize the free Basic plan covers exactly 1 client seat and excludes the AI workout builder, custom programs and nutrition tracking
  • They diverge on capability: Stronger by Science covers Evidence-based programs, Trainerize covers Workout programming.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where Stronger by Science and Trainerize differ
AttributeStronger by ScienceTrainerize
Starting price$10/one-timeFree
Pricing modelone-timefreemium
Free tierNoYes
PlatformsWebIos, Android, Web
Founded20152012

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 Stronger by Science

  • Evidence-based programs
  • Auto-regulated training
  • RPE-based progression
  • Customizable templates
  • Google Sheets
  • Excel

Only in Trainerize

  • Workout programming
  • Nutrition coaching
  • Habit tracking
  • In-app messaging
  • MyFitnessPal
  • Apple Health
  • Fitbit
  • Garmin

Both cover

  • Progress tracking
  • Web support

What people use each for

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

Stronger by Science

  • Workout trackingnot Trainerize
  • Nutrition managementnot Trainerize
  • Health monitoringnot Trainerize
  • Fitness coachingnot Trainerize
  • Wellness improvementnot Trainerize

Trainerize

  • Personal training client managementnot Stronger by Science
  • Fitness coaching and athlete developmentnot Stronger by Science
  • Macro tracking and nutrition coachingnot Stronger by Science

Where each one falls short

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

Stronger by Science

  • Limited interactive features compared to competitors with video form coaching

Trainerize

  • The free Basic plan covers exactly 1 client seat and excludes the AI workout builder, custom programs and nutrition tracking
  • Pricing is driven by client seats, so the same feature set costs more as the roster grows
  • Advanced Nutrition Coaching, Business, Video Coaching and Stripe Integrated Payments are paid add-ons on the Grow and Pro plans rather than included features
  • Add-ons are priced from $10 per month each, with a custom branded app carrying a $169 one-time fee
  • Full API access, personalised onboarding and access to partner add-ons require the Studio Plus tier at $248 per month
  • SSO sign-in, a dedicated account manager and a separate app store listing are Enterprise features
  • Adding locations beyond the first is custom priced, and 5 or more locations requires contacting sales

Pricing, plan by plan

Stronger by Science

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

Trainerize

Free
  • BasicFree
    • 1 coaching client
    • Mobile app
    • Workout programs
  • Grow$9/month
    • 2 coaching clients
    • AI Workout Builder
    • Custom programs
  • Pro$23/month
    • 5 coaching clients
    • Custom videos
    • Consultation forms
  • Studio Plus$248/month
    • 500 coaching clients
    • Group video calls
    • Custom recipes

Which should you pick?

Choose Stronger by Science if

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

Choose Trainerize if

  • You need workout programming.
  • You want to start without paying.
  • You work on Ios, Android, Web.
  • You also want nutrition coaching.
Trainerize review

Questions people ask

Is Stronger by Science or Trainerize better?
Neither clearly leads. Stronger by Science starts at $10/one-time and Trainerize at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Stronger by Science or Trainerize?
Trainerize has a free tier; the other does not. Paid plans start at $10/one-time for Stronger by Science and Free for Trainerize.
Does Stronger by Science or Trainerize run on more platforms?
Stronger by Science runs on Web. Trainerize runs on Ios, Android, Web.
Can I use Trainerize for free?
Yes. Trainerize has a free tier, so you can try it without paying. Stronger by Science starts at $10/one-time.
What is Stronger by Science best used for?
Stronger by Science is most often used for workout tracking, nutrition management, health monitoring, fitness coaching. Of those, workout tracking and nutrition management are not what Trainerize is typically brought in for.
What can Stronger by Science do that Trainerize cannot?
Stronger by Science covers Evidence-based programs, Auto-regulated training, RPE-based progression, Customizable templates. Trainerize covers Workout programming, Nutrition coaching, Habit tracking, In-app messaging. Both handle Progress tracking, Web support.

Answered from the vendors’ own pages

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
Trainerize: Does Trainerize offer a free plan?

Yes, the Basic plan is permanently free and includes 1 coaching client, mobile app, workout programs, basic messaging, and habit coaching. No credit card is required.

Source
Trainerize: What's the least expensive paid plan?

The Grow plan costs $9 per month USD and supports 2 coaching clients. It includes AI Workout Builder, custom programs, meal and macro tracking, and a Trainerize.me profile.

Source
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