Fitness & Wellness · head to head
Mirror vs Cronometer
The short version
- Only Cronometer has a free tier, so it costs nothing to try first.
- Each has a real cost: Mirror no built-in resistance equipment like Tonal's electromagnetic arms; Cronometer free tier limited to 7-day report windows
- They diverge on capability: Mirror covers Live classes, Cronometer covers 80+ nutrient tracking.
Where they differ
Only the attributes on which Mirror and Cronometer actually diverge.
| Attribute | Mirror | Cronometer |
|---|---|---|
| Starting price | $39/month | Free |
| Free tier | No | Yes |
| Platforms | Standalone hardware, iOS app | Ios, Android, Web |
| Founded | 2016 | 2011 |
Identical on both: pricing model (Unknown), user rating (Not yet rated), category (Fitness & Wellness).
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 Cronometer
- 80+ nutrient tracking
- Verified food database
- Custom recipes
- Biometric tracking
- Detailed reports
- Fitbit
- Garmin
- Apple Health
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
Cronometer
- 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
Cronometer
- Free tier limited to 7-day report windows
- Photo and voice logging unavailable in free tier
- Ad-free experience requires Gold subscription
- Advanced features like macro scheduler and recipe importer locked to paid tier
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
Cronometer
Free- FreeFree
- Full micronutrient tracking (82+ nutrients)
- Unlimited food logging
- Barcode scanning
- Gold$4.99/month
- All Free features
- Ad-free experience
- Photo and voice logging
Which should you pick?
Choose Mirror if
- You need live classes.
- You work on Standalone hardware, iOS app.
- You also want on-demand library.
Choose Cronometer if
- You need 80+ nutrient tracking.
- You want to start without paying.
- You work on Ios, Android, Web.
- You also want verified food database.
Questions people ask
- Is Mirror or Cronometer better?
- Neither clearly leads. Mirror starts at $39/month and Cronometer at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Mirror or Cronometer?
- Cronometer has a free tier; the other does not. Paid plans start at $39/month for Mirror and Free for Cronometer.
- Does Mirror or Cronometer run on more platforms?
- Mirror runs on Standalone hardware, iOS app. Cronometer runs on Ios, Android, Web.
- Can I use Cronometer for free?
- Yes. Cronometer has a free tier, so you can try it without paying. Mirror starts at $39/month.
- 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 Cronometer cannot?
- Mirror covers Live classes, On-demand library, Real-time form check, Personal training option. Cronometer covers 80+ nutrient tracking, Verified food database, Custom recipes, Biometric 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.
SourceCronometer: Is Cronometer truly free and what are its limitations?
Cronometer Free is completely free forever with full micronutrient tracking across 82+ nutrients, unlimited food logging, barcode scanning, custom recipes, and basic reports. The 7-day report window is the main limitation.
SourceMirror: 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.
SourceCronometer: What features are included in Cronometer Gold?
Gold ($4.99/month billed annually at $59.99 or $10.99/month) adds photo logging, voice logging with Siri, Crono Coach AI assistant, custom charts, macro scheduler, fasting timer, recipe importer, and unlimited historical data access.
SourceMirror: 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.
SourceCronometer: Can I log meals with photos in Cronometer?
Photo logging is a premium feature available only in Cronometer Gold, allowing users to snap and automatically log meals through their camera.
SourceMirror: 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.
SourceCronometer: Does Cronometer track beyond just macronutrients?
Yes, Cronometer tracks up to 84+ nutrients including vitamins, minerals, antioxidants, and amino acids. All tiers include this comprehensive micronutrient tracking.
SourceMirror: 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.
SourceCronometer: Can I see historical data in the free tier?
Free tier reports are limited to the past 7 days. Gold subscription ($4.99/month annually) provides unlimited historical data access for trend analysis.
SourceCronometer: Does Cronometer have professional or pro versions?
Yes, Cronometer Pro is available for healthcare providers, researchers, and educators with specialized features for professional nutrition analysis.
Source