Comparison

Cronometer vs ProFx LLC

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Cronometer

Track your diet and exercise with an extensive food database and detailed nutrient breakdowns. Monitor progress towards health goals, integrate with fitness devices, and gain insights into sleep patterns. Offers premium features for enhanced tracking and an ad-free experience.

Highlights
  • Extensive verified food database
  • Detailed nutrient and calorie tracking
  • Fitness goal setting and progress monitoring
  • Integration with fitness trackers and devices
  • Enhanced sleep tracking and analysis
  • Customizable diary groups and charts
Features
Read full description

Cronometer is a powerful calorie counter, nutrition tracker, and food diary designed for accuracy. Track calories, macros, fasting, and 95+ vitamins and minerals with one of the most trusted health and fitness apps available. Whether you're using Cronometer as a weight loss tracker, macro tracker or overall metabolic health tracker, you'll get clear, reliable science-backed insights into your nutrition and how it supports your goals. Unlike basic calorie counters, Cronometer is built on a curated database of more than 1.1 million verified foods, including analyzed entries for unmatched accuracy. Get precise nutrition tracking, comprehensive nutrient analysis, and reliable nutrition facts you can trust. Gain deeper nutrition insights with precision nutrition tools trusted by dietitians, healthcare professionals, and athletes worldwide. Track your nutrition with confidence • Log meals in a detailed food diary • Track calories, protein, carbs, fat, fiber, vitamins, and minerals • Monitor both macronutrients and micronutrients • Compare your intake against personalized nutrition targets Perfect for weight loss, muscle gain, and improving overall health. A smarter weight tracker • Track calories and weight loss (or gain) with deeper nutritional context • Identify nutrient gaps that may affect energy, hunger, and progress • View trends over time with charts and reports • Built for sustainable weight loss, healthy weight management, and long-term success Build healthier habits • Understand how daily choices shape your long-term health • Monitor nutrition trends over time • Set personalized targets, track your personal progress, optimize your wellness • Turn accurate nutrition data into meaningful action Connect fitness, sleep, and health • Sync with Apple Health and Apple Watch • Connect Fitbit, Garmin, Oura, Whoop, and more • Import workouts, activity, and energy expenditure • Import sleep data and explore how caffeine, alcohol, and nutrition affect sleep quality Cronometer works seamlessly as a fitness tracker and health tracker, giving you a complete picture of your wellness. Four easy ways to log food • Log meals using photo or voice logging. • AI identifies foods, estimates portions and simplifies meal tracking • Scan barcodes for free • Or search a trusted, science-backed food database Why Cronometer? Cronometer is the calorie tracker and food diary trusted by dietitians, athletes, and health professionals worldwide. It’s been featured in Healthline, Prevention, Women’s Health, Good Housekeeping, Men’s Health, CNET, Oprah and more. Upgrade to Cronometer Gold Unlock premium tools for deeper insights: • Photo & Voice Logging • Fasting Tracker • Recipe Importer • Repeat Items • Deeper insights • More options to customize • Ad-free experience • Access Crono Coach Ideal for advanced tracking, fasting, and long-term weight management. SUBSCRIPTION DETAILS Upgrade to Cronometer Gold at any time. Payment will be charged to your Apple ID at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Manage or cancel your subscription in your App Store Account Settings. Terms of Use: https://cronometer.com/terms/ Privacy Policy: https://cronometer.com/privacy/

About

ProFx LLC

This app provides personalized fitness and health coaching to help users achieve their individual goals. It offers tailored guidance for habit development, wellness enhancement, athletic performance, and physique sculpting, fostering a supportive community for all fitness levels.

Highlights
  • Personalized coaching plans
  • Habit and routine development
  • Mindset and health improvement
  • Community support
  • Tailored guidance for all levels
  • Physique sculpting
Features
Read full description

At ProFx, We’re not just a fitness and health brand. We’re your dedicated partners in achieving success! Each coach in our diverse team is committed to understanding and nurturing your individual goals. Whether you’re a seasoned athlete, a health and fitness enthusiast, someone seeking coaching to improve your habits, routines, mindset, and health, or just getting started on your fitness journey, you’re not just another client to us. You’re a valued member of our community. Our Commitment to You No two journeys are the same, and we embrace that diversity. Founder Johnny Casalena believes in a personalized approach, steering away from one-size-fits-all programs. Regardless of your aspirations- be it developing stellar habits, enhancing your health and wellness, excelling in sports, sculpting a competitive physique, or adopting an healthy and active lifestyle- We’re here to guide you with tailored coaching and unwavering enthusiasm. At the most basic level, your ability to succeed lies with your willingness to go all in on self-mastery! All ProFx coaching services take place here in the app. Download the app to get started on the path to becoming the highest version of yourself! App access requires paid coaching plan Terms of use: https://kahunas.io/terms-conditions Privacy policy: https://kahunas.io/privacy

Screenshots

Cronometer4 screens
ProFx LLC3 screens

Verdict

The call

The clearest difference is ads: ProFx LLC at none against Cronometer's shown. ProFx LLC also leads on rating (5.0 vs 4.8). Cronometer's advantage is ratings volume (99K vs 6) and update cadence (weekly vs monthly). On price, in-app purchases, monetization model and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Cronometer sells 11 in-app purchases, starting at $10.99 per month and ProFx LLC sells 1 in-app purchase, starting at $299.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

ProFx LLC holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Cronometer has 99K ratings behind it against 6, so its average is the more settled of the two.

UpkeepUpdate frequency

Cronometer ships an update weekly, ProFx LLC monthly. The most recent releases landed on October 18, 2026 and October 2, 2026 respectively.

Scorecard5 real differences · 6 level
Cronometer versus ProFx LLC: the parameters behind the verdict, then further details
ParameterCronometerProFx LLC
PriceFreeFree
Rating4.8 (99K ratings)5.0 (6 ratings) — better
Positive reviews69.4% of reviews—
Number of ratings99K — better6
Update frequencyWeekly — betterMonthly
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#17 — better—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.515.0 — better
Further details — not scored
Size151 MB50 MB
Age rating12+17+
DeveloperCronometer Software IncProfxprecision LLC

Customer experience

Cronometer

All ratings99,071 ratings
Positive95.8%
Neutral2.5%
Negative1.8%
Written reviews2,762 reviews
Positive69.4%
Neutral9.4%
Negative21.2%

ProFx LLC

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Cronometer

Reported bugs

4 issues
  • Widgets don't update in real-time
  • Occasional app freezes and crashes
  • Issues with syncing fitness data from other apps
  • Inaccurate calorie and nutrient tracking for some foods

Requested features

6 requests
  • Allow separating meals into breakfast, lunch, dinner
  • Add more ethnic and international food options
  • Implement Siri integration for logging food
  • Provide more customization options for the home screen
  • Add ability to edit database entries if information is inaccurate
Show 1 more
  • Improve recipe sharing and importing functionality

ProFx LLC

Not enough reviews yet to summarise bugs or requests.

In-app purchases

11 purchases

Cronometer

Subscriptions11
  • Gold Monthly7 Days trial$10.991 Month
  • Gold Monthly$10.991 Month
  • Cronometer Gold1 Month trial2 variants$10.991 Month
Show 8 more
  • Gold Subscription1 Month trial$10.991 Month
  • Gold Monthly1 Month trial2 variants$10.991 Month
  • Gold6 Months trial$34.996 Months
  • Gold Annual1 Year trial$54.991 Year
  • Gold Annual7 Days trial$59.991 Year
  • Gold Annual$59.991 Year
  • Gold Annual1 Year trial4 variants$59.991 Year
  • Cronometer Gold1 Year trial$59.991 Year
1 purchases

ProFx LLC

Subscriptions1
  • Coaching$299.991 Month

Questions

Is Cronometer free?
Cronometer is free to download, with in-app purchases available.
Is ProFx LLC free?
ProFx LLC is free to download, with in-app purchases available.
Which has better reviews, Cronometer or ProFx LLC?
ProFx LLC is rated higher. Cronometer averages 4.8 out of 5 from 99K ratings, while ProFx LLC averages 5.0 from 6 ratings.
Do Cronometer or ProFx LLC have ads?
Cronometer shows ads; ProFx LLC does not.
Which is updated more often, Cronometer or ProFx LLC?
Cronometer ships an update weekly, and ProFx LLC monthly. Most recently, Cronometer was updated on October 18, 2026 and ProFx LLC on October 2, 2026.

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