Best Weight Loss Surgery Calculator Apps

248+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated September 2026

The best weight loss surgery calculator apps on iPhone average 4.1★ across 248+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.

Compare top Weight Loss Surgery Calculator Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Weight Loss Surgery CalculatorWeight Loss Surgery CalculatorFree4.7★ (9)NoNoMay 2026
2Baritastic - Bariatric TrackerBaritastic - Bariatric TrackerFree4.8★ (95K)NoNoSep 2026
3Weight Loss Surgery SelectorWeight Loss Surgery SelectorFree5.0★ (27)NoNoMay 2026
4Bariatric Surgery CalculatorBariatric Surgery CalculatorFree4.9★ (9)NoNoMay 2026
5My Weight Loss JourneyMy Weight Loss JourneyFree1.0★ (2)NoNoSep 2026
6BMI BSA Breast Reduction CalcBMI BSA Breast Reduction CalcFree5.0★ (4)NoNoMay 2026
7BMI Calculator – Weight LossBMI Calculator – Weight LossFree4.5★ (28K)NoYesSep 2026
8Bariatric IQBariatric IQFree4.7★ (121)NoNoMay 2026

Top Picks for Weight Loss Surgery Calculator

Baritastic - Bariatric Tracker#2

Baritastic - Bariatric Tracker by Metagenics, Inc.

Nutrition, Macros & Surgery
Strong Contender
🏥 Medical
4.8😊(95K ratings)
Free
Baritastic - Bariatric Tracker screenshot 1
Baritastic - Bariatric Tracker screenshot 2
Baritastic - Bariatric Tracker screenshot 3
Baritastic - Bariatric Tracker screenshot 4
Baritastic - Bariatric Tracker screenshot 5
Baritastic - Bariatric Tracker screenshot 6

This app is designed for individuals undergoing bariatric surgery or medically managed weight loss. It offers comprehensive tracking of nutrition, water intake, and medication reminders. Users can also log their journey with photos, journal entries, and access surgery-specific resources and recipes.

What We Love

  • 👍 Easy to use
  • 🚀 Helpful for tracking food, water, and vitamins
  • 💡 Customizable to individual needs
  • 🚀 Connects with other apps and devices
  • 👍 Great for pre- and post-surgery support

Room to Improve

  • 🐛 Glitchy and buggy after recent updates
  • 🔍 Limited food database and recipe options
  • 🔍 Difficulty editing saved recipes
  • 🔍 Unintuitive interface and navigation
  • 🔍 Syncing issues between devices

More Weight Loss Surgery Calculator apps to explore

FAQ about Weight Loss Surgery Calculator

What are the best weight loss surgery calculator apps for iPhone?
Weight Loss Surgery Calculator tops our weight loss surgery calculator apps ranking as of September 2026, with a 4.7-star average from 9 App Store ratings, and it's free to download.
Yes — 20 of the top weight loss surgery calculator apps we rank are free to download, including Weight Loss Surgery Calculator and Baritastic - Bariatric Tracker.
Weight Loss Surgery Calculator has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 248+ weight loss surgery calculator apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
The Weight Loss Surgery Calculator is used to estimate potential weight loss from common bariatric surgeries. It helps calculate BMI, target weights, and percentage of excess body weight loss for both medical professionals and individuals considering these procedures.
The calculator can compute BMI, estimate potential weight loss after surgery, determine the potential final weight, calculate the weight needed for a specific BMI, and figure out both percent excess body weight loss and total body weight loss.