Comparison

WeightStone vs Masterflex Gym

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

Head to head
About

WeightStone

Features
Read full description

Track your weight the way you actually think - in stones, pounds, and fractions! Most weight tracking apps force you into confusing decimals like "12.4 stones" or only show total pounds. WeightStone was built specifically for everyone who wants a clean, simple, and traditional way to log weight in stones, pounds, and exact fractions (1/4, 1/2, 3/4 lb), as well as pounds and kilograms. Log your weight in under 3 seconds with zero clutter, sync automatically with Apple Health, track your progress with interactive graphs, and view your weight at a glance with Home Screen widgets. WHY CHOOSE WEIGHTSTONE? NATURAL WEIGHT ENTRY * Enter weight in traditional Stones, Pounds, and Fractions (1/4, 1/2, 3/4) * Switch effortlessly between Stones, Total Pounds, or Kilograms * WeightStone remembers your preferred unit every time NHS UK HEALTHY BMI TARGETS * Automatic BMI calculation based on your height * Visual 3-zone color-shaded chart highlighting healthy target ranges * NHS & NICE ethnicity-adjusted guidance (standard 18.5-24.9 or adjusted 18.5-22.9 for Asian, Black, and Middle Eastern backgrounds) * Private & on-device only: your background choice is never shared or uploaded BEAUTIFUL INTERACTIVE CHARTS * View your progress over 1, 3, 6, or 12 months * Drag your finger across the graph to view past entries and milestones * Intelligent trendlines and customizable goal weight lines * Summary text celebrates your weight loss without confusing decimals (e.g. "You have lost 1 stone, 3 1/2 pounds!") HOME SCREEN WIDGETS * Small, Medium, and Large widgets designed for iOS * See your current weight in stones & fractions at a glance * Large widget displays your interactive 30-day weight graph directly on your Home Screen SEAMLESS APPLE HEALTH SYNC * 2-way sync with Apple Health - your data stays yours * Automatically imports past weight and height measurements * Works seamlessly with smart scales and external fitness trackers 100% PRIVATE * No accounts, no sign-ups, and no passwords required * Your health data stays safely stored in Apple Health and on your device Simple, elegant, and built for your weight journey. Download WeightStone today!

About

Masterflex Gym

Features
Read full description

The Masterflex Gym app makes booking and attending sessions simple. - Browse the calendar for sessions that suit you. Book and pay in just a few taps. - Use your personal QR code to check-in. - Not going to make it? Cancel and rebook directly through the app. - Session full? Join the waiting list to be notified if a spot becomes available. - Purchase memberships and more.

Screenshots

WeightStone4 screens
Masterflex Gym4 screens

Verdict

The call

The clearest difference is ads: Masterflex Gym at none against WeightStone's shown. WeightStone's advantage is update cadence (fortnightly vs every 6 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

WeightStone ships an update fortnightly, Masterflex Gym every 6 months. The most recent releases landed on October 8, 2026 and September 25, 2026 respectively.

Scorecard2 real differences ยท 4 level
WeightStone versus Masterflex Gym: the parameters behind the verdict, then further details
ParameterWeightStoneMasterflex Gym
PriceFreeFree
Update frequencyFortnightly โ€” betterEvery 6 months
AdsYesNo โ€” better
In-app purchasesNoNo
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS15.0 โ€” better16.4
Further details โ€” not scored
Size12 MB157 MB
Age rating4+4+
DevelopermoodstoneLegitfit Limited

In-app purchases

None

WeightStone

No in-app purchases

None

Masterflex Gym

No in-app purchases

Questions

Is WeightStone free?
WeightStone is free to download, with no in-app purchases.
Is Masterflex Gym free?
Masterflex Gym is free to download, with no in-app purchases.
Do WeightStone or Masterflex Gym have ads?
WeightStone shows ads; Masterflex Gym does not.
Which is updated more often, WeightStone or Masterflex Gym?
WeightStone ships an update fortnightly, and Masterflex Gym every 6 months. Most recently, WeightStone was updated on October 8, 2026 and Masterflex Gym on September 25, 2026.

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