Comparison

BMI Tracker vs Water Tracker

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

Head to head
About

BMI Tracker

Features
Read full description

Know your BMI in seconds and see how it changes over time. BMI Tracker is a simple, beautiful way to calculate your Body Mass Index and keep a log of your weight. Enter your weight and the app instantly shows your BMI, your category and your healthy weight range based on your height. YOUR BMI AT A GLANCE - Current BMI with a clear color scale - Category: Underweight, Healthy, Overweight or Obese - Ideal weight range calculated for your height TRACK YOUR PROGRESS - Interactive weight and BMI charts - View 1 month, 3 months, 6 months, 1 year or all time - Tap any point on the chart to see that day's value - Stats: starting weight, current, total change, average, lowest and highest SIMPLE WEIGHT LOG - Log a weigh-in in seconds - See how much you changed since your last entry - Tap to edit, swipe to delete - BMI updates automatically if you change your height PRIVATE AND EASY - No account needed - Your data stays on your device - Available in English and Spanish Enjoying the app? Buy me a coffee to support future updates and remove ads. Disclaimer: BMI Tracker is for general informational purposes only and is not medical advice. Please consult a qualified healthcare professional for an accurate assessment of your health.

About

Water Tracker

Features
Read full description

AquaTrack makes staying hydrated effortless. Set a daily water goal that's calculated from your body data — weight, activity level and climate — or set your own. Then log each drink with a tap, whether it's water, tea, coffee, juice or something custom. FEATURES • Smart daily goal — auto-calculated from your profile, or set it manually • One-tap logging with quick presets and custom amounts • Choose your units — millilitres or fluid ounces • Beautiful hydration ring that fills as you drink • Trends & stats — weekly, fortnightly, monthly and custom date ranges, with streaks and averages • Smart reminders spread across your waking hours so you finish your goal before bed • Export a PDF hydration report to share or keep • Light and dark themes • All your data stays on your device Start today and turn drinking enough water into a habit you actually keep. AQUATRACK PRO Unlock advanced trends & insights, PDF hydration reports, unlimited smart reminders, and premium themes with an AquaTrack Pro subscription: • Monthly — $17 per month • Yearly — $35 per year (best value) Prices are shown in your local currency and may vary by region. Payment is charged to your Apple ID account at confirmation of purchase. The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours prior to the end of the current period. You can manage or cancel your subscription in your App Store account settings after purchase. Any unused portion of a free trial, if offered, is forfeited when you buy a subscription. Privacy Policy: https://rewardroomapp.com/privacy.html Terms of Use (EULA): https://rewardroomapp.com/tremandcondition.html

Screenshots

BMI Tracker4 screens
Water Tracker4 screens

Verdict

The call

The clearest difference is update cadence: Water Tracker at every 5 days against BMI Tracker's every 4 months. Water Tracker also leads on iOS requirement (13.0 vs 18.4). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. BMI Tracker sells 1 one-off in-app purchase and Water Tracker sells 2 in-app purchases, starting at $17.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

BMI Tracker ships an update every 4 months, Water Tracker every 5 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

Scorecard2 real differences Ā· 4 level
BMI Tracker versus Water Tracker: the parameters behind the verdict, then further details
ParameterBMI TrackerWater Tracker
PriceFreeFree
Update frequencyEvery 4 monthsEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.413.0 — better
Further details — not scored
Size6 MB39 MB
Age rating4+4+
DeveloperCesar IbarraKaran Soni

In-app purchases

1 purchases

BMI Tracker

One-time1
  • Buy me a coffee$2.99
2 purchases

Water Tracker

Subscriptions2
  • AquaTrack Pro Monthly3 Days trial$17.991 Month
  • Yearly3 Days trial$34.991 Year

Questions

Is BMI Tracker free?
BMI Tracker is free to download, with in-app purchases available.
Is Water Tracker free?
Water Tracker is free to download, with in-app purchases available.
Do BMI Tracker or Water Tracker have ads?
Neither BMI Tracker nor Water Tracker shows ads.
Which is updated more often, BMI Tracker or Water Tracker?
BMI Tracker ships an update every 4 months, and Water Tracker every 5 days. Most recently, BMI Tracker was updated on October 30, 2026 and Water Tracker on October 25, 2026.

Other comparisons