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Fitness · head to head

Mirror vs RP Diet

Mirror logo

Mirror

Fitness

The nearly invisible home gym

From
$39/month
Rated
-
Full reviewWebsite
RP Diet logo

RP Diet

Fitness

Science-based diet coaching

From
$14.99/month
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Mirror no built-in resistance equipment like Tonal's electromagnetic arms; RP Diet requires users to commit to detailed macro tracking, which is time-consuming for some athletes
  • They diverge on capability: Mirror covers Live classes, RP Diet covers Personalized meal plans.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Mirror and RP Diet actually diverge.

Attributes where Mirror and RP Diet differ
AttributeMirrorRP Diet
Starting price$39/month$14.99/month
Pricing modelUnknownsubscription
PlatformsStandalone hardware, iOS appiOS, Android
Founded20162012

Identical on both: free tier (No), 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 Mirror

  • Live classes
  • On-demand library
  • Real-time form check
  • Personal training option
  • Heart rate display
  • Apple Watch
  • Bluetooth heart rate monitors
  • Hardware support

Only in RP Diet

  • Personalized meal plans
  • Adaptive diet coaching
  • Training day adjustments
  • Body weight tracking
  • Weekly check-ins
  • Apple Health
  • Android support
  • Web support

Both cover

  • Ios support

What people use each for

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

Mirror

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

RP Diet

  • 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.

Mirror

  • No built-in resistance equipment like Tonal's electromagnetic arms
  • Strength training classes are circuit-based rather than traditional weightlifting programs
  • Lululemon discontinued hardware sales, affecting new customer acquisition

RP Diet

  • Requires users to commit to detailed macro tracking, which is time-consuming for some athletes
  • Limited meal delivery partnerships compared to competitors

Pricing, plan by plan

Mirror

$39/month
  • Hardware$1495/one-time
    • Mirror screen
    • Installation option available
  • Subscription$39/month
    • 10,000+ classes
    • Live and on-demand
    • All class types
  • Personal Training$40/half-hour session
    • 1-on-1 coaching
    • Form correction

RP Diet

$14.99/month
  • Monthly$14.99/month
    • Personalized plans
    • Meal timing
    • Adaptive coaching
  • Annual$119.99/year
    • Personalized plans
    • Meal timing
    • Adaptive coaching

Which should you pick?

Choose Mirror if

  • You need live classes.
  • You work on Standalone hardware, iOS app.
  • You also want on-demand library.
Mirror review

Choose RP Diet if

  • You need personalized meal plans.
  • You work on iOS, Android.
  • You also want adaptive diet coaching.
RP Diet review

Questions people ask

Is Mirror or RP Diet better?
Neither clearly leads. Mirror starts at $39/month and RP Diet at $14.99/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Mirror or RP Diet?
Mirror starts at $39/month and RP Diet at $14.99/month.
Does Mirror or RP Diet run on more platforms?
Mirror runs on Standalone hardware, iOS app. RP Diet runs on iOS, Android.
What is Mirror best used for?
Mirror is most often used for workout tracking, nutrition management, health monitoring, fitness coaching.
What can Mirror do that RP Diet cannot?
Mirror covers Live classes, On-demand library, Real-time form check, Personal training option. RP Diet covers Personalized meal plans, Adaptive diet coaching, Training day adjustments, Body weight tracking. Both handle Ios support.

Answered from the vendors’ own pages

Mirror: What does the Mirror hardware cost?

The Mirror costs $1,495, with optional white-glove delivery and installation for an additional $250. Financing options available at $32/month for 48 months.

Source
RP Diet: What does the RP Diet app cost?

The RP Diet app costs $14.99 per month and provides personalized macro targets, meal plans, and nutrition guidance based on Renaissance Periodization's science-based approach.

Source
Mirror: Is there a subscription fee beyond hardware?

Yes, Mirror requires a $39/month subscription for access to live and on-demand workout classes. Personal training sessions are available for an additional $40 per half-hour.

Source
RP Diet: Does RP Diet integrate with training programs?

Yes. RP Diet is designed to integrate with training phases, adjusting calorie and macro targets as training variables change throughout a structured calendar.

Source
Mirror: What types of workouts does Mirror offer?

Mirror offers over 10,000 live and on-demand workout classes across 60 different categories including strength, cardio, dance, boxing, and yoga.

Source
Mirror: Who owns Mirror now?

Lululemon acquired Mirror in June 2020 for $500 million and currently operates it as part of their fitness offerings, though hardware sales have been discontinued.

Source
Mirror: Does Mirror provide strength training with weights?

Mirror offers strength training classes but does not include built-in weights or resistance arms like Tonal. Users can filter for classes based on their available equipment.

Source
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