Comparison

FITTR ONE vs Transform With Science

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

Head to head
About

FITTR ONE

This smart ring and app combination tracks vital health metrics like sleep, heart rate, and stress. It provides personalized expert advice to help users improve their fitness and overall well-being. The system offers detailed insights into daily health performance and long-term trends.

Highlights
  • Vital health parameter monitoring
  • Detailed fitness metric tracking
  • Personalized expert advice
  • Sleep stage analysis
  • Heart rate and SpO2 tracking
  • Stress and skin temperature monitoring
  • Women's health tracking
Features
Read full description

Introducing FITTR ONE - a cutting-edge smart ring and app that monitors every vital health parameter and helps you become fitter, healthier and happier. The Hart Ring isn’t just smart and stylish; it’s all you need for tracking every single health parameter. Paired with the app, you get an all-inclusive tool that accurately monitors your key fitness metrics, and gives you timely expert advice on how to improve them. Over time, this means better health and longevity. Powered by FITTR, India’s biggest online fitness community with over 300,000+ success stories and more than 5 million community members globally. **Here’s a glimpse of what FITTR ONE has to offer** Your daily health performance, at a glance Detailed tracking of Steps, Distance, Calories, Sleep, HRV, Skin Temperature, Women’s Health. Includes Quality of Life, Activity, Stress, Heart Rate, SpO2 Health data and reports Expert advice and guidance to help you improve each parameter Sleep Get detailed data like Sleep Duration, Sleep Stages (Awake, REM, Light & Deep Sleep, Naps), Sleep Efficiency, Sleep Latency, Average Heart RAte, Average SpO2, and Average HRV Heart Rate Evaluates your heart health with detailed graphs SpO2 Tracks fluctuations in SpO2 throughout the day and night HRV Tracks variations/fluctuations in your heart rate as you go about your activities Stress Monitors your stress levels and shares tips to reduce stress Skin Temperature Detects changes in skin temperature. Helps you track fluctuations with the help of daily, weekly and monthly reports. Women’s Health (Only visible if gender set as female) Tracks menstrual cycle and helps determine ovulation. For pregnant women, tracks key parameters right up to delivery date. How to correctly wear your FITTR HART Ring For best performance and accurate readings, we recommend wearing your HART Ring on the index finger of your non-dominant hand. Middle and ring fingers work too, if that’s what you prefer. Just make sure that the ring fits securely and comfortably around the base of your finger - not too loose, not too tight. Note: the ring’s sensor should face the palm side of your finger and not the top. How to use the FITTR ONE app After activating the ring, please pair with the FITTR ONE app to start using. Not a medical device This ring is not a medical device and should not be used as a substitute for professional medical judgement. It is not designed or intended for use in the diagnosis of disease or other conditions, or in the cure, mitigation, treatment, or prevention of any condition or disease. Please consult your healthcare professional prior to making any decisions related to your health.

About

Transform With Science

Features
Read full description

Take control of your fitness and nutrition goals with an easy-to-use all-in-one fitness and calorie management app. Whether your goal is to lose weight, maintain your current weight, or support a weight-gain journey, the app brings essential fitness calculations, calorie targets, macro tracking, and daily food logging together in one place. BMR & TDEE Calculators Get useful estimates based on your personal information: • BMR Calculator – Estimate the calories your body may use at rest. • TDEE Calculator – Estimate your daily calorie needs based on your activity level. Set Your Fitness Goal Choose your preferred fitness goal and use calculated calorie targets to help structure your daily nutrition: • Weight loss • Weight maintenance • Weight gain Set your target and monitor your progress over time. Daily Food Log Keep track of what you eat throughout the day. Log your meals and monitor your estimated: • Daily calories • Protein • Carbohydrates • Fats See how much you've consumed and how much remains within your daily targets. Track Your Macros Understand your daily macronutrient targets and track your protein, carbohydrates, and fat intake. It helps you compare your food intake with your estimated daily targets, making it easier to stay aware of your nutrition. Your Fitness Dashboard Keep important information in one place, including: • Daily calorie target • Calories consumed • Remaining calories • Macro targets and intake • BMR • TDEE • Fitness goal and progress Simple & Easy to Use No complicated setup. Enter your basic information, choose your activity level and fitness goal, and get useful estimates and targets to help you organize your fitness and nutrition routine. Important Note: This app provides estimates for general fitness and nutrition purposes only and is not intended to provide medical advice, diagnosis, or treatment. Individual nutritional needs may vary. Start tracking your calories, macros, meals, and fitness goals today for efficient transform.

Screenshots

FITTR ONE4 screens
Transform With Science4 screens

Verdict

The call

The clearest difference is device support: Transform With Science at 3 against FITTR ONE's 1. On price, ads, in-app purchases and iOS requirement 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. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 9 level
FITTR ONE versus Transform With Science: the parameters behind the verdict, then further details
ParameterFITTR ONETransform With Science
PriceFreeFree
Rating3.8 (13 ratings) — better—
Positive reviews73.5% of reviews—
Number of ratings13 — better—
Update frequencyEvery 10 days—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.215.1 — better
Further details — not scored
Size271 MB55 MB
Age rating12+4+
DeveloperSQUATSHafiz Zaigham Rasul

Bugs and requests

FITTR ONE

Reported bugs

10 issues
  • Activity report generation fails after workouts
  • Activity tracking is inaccurate, especially during runs and gym workouts
  • App has syncing issues, requires ring to be close to phone
  • App randomly logs out
  • Charging issues with the ring
Show 5 more
  • Battery life drastically reduced after firmware updates
  • Sleep tracking not working consistently or accurately
  • Login issues
  • Report generation fails for activities like Badminton or Weight training
  • App shutters and shudders on iPhone 15

Requested features

7 requests
  • Improve activity tracking accuracy
  • Enhance integration with Apple Health
  • Option to hide or remove unused app sections (e.g., Nutrition)
  • Allow adding activities after they are completed
  • Display activities in a list format (e.g., walking - 23 min)
Show 2 more
  • More explanation on stress management
  • Push notification for low battery (<20%)

Transform With Science

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

FITTR ONE

No in-app purchases

None

Transform With Science

No in-app purchases

Questions

Is FITTR ONE free?
FITTR ONE is free to download, with no in-app purchases.
Is Transform With Science free?
Transform With Science is free to download, with no in-app purchases.
Do FITTR ONE or Transform With Science have ads?
Neither FITTR ONE nor Transform With Science shows ads.

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