Comparison

Happy Scale vs Scale Up

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

Head to head
About

Happy Scale

This app helps you understand your weight loss journey by analyzing scale fluctuations. It smooths out daily variations to reveal your true progress, predict future weights, and break down goals into manageable milestones.

Highlights
  • See true progress with mathematical analysis
  • Smooth out weigh-in fluctuations
  • Predict future weight
  • Break down goals into milestones
  • Integrates with Apple Health
  • BMI calculator
Features
Read full description

Dieting is hard enough. But when you work hard, hop on the scale, and see a number that’s higher than yesterday? Well, that’s just not fair! It’s time to tame the scale! Happy Scale helps you make sense of the frustrating ups and downs of weigh-ins by using mathematical analysis to make sense of your scale weights. You’ll: • understand your true trend, • take the sting out of plateaus, and • be able to predict what you’ll weigh for an upcoming event • SEE YOUR TRUE PROGRESS: Happy Scale uses sophisticated math to learn the true trend of your progress. You can see what you’re really losing each week. • NO MORE PLATEAUS: Use the moving average progress tracking options to see steady progress every day! • SLOW AND STEADY WINS THE RACE: Have a lot to lose? Break your weight loss goal into small, incremental milestone goals so you can focus on short-term, achievable goals! • THE PERFECT SUPPLEMENT: Use this app in conjunction with other popular apps. Weight entries can be automatically imported from apps that support exporting to the Apple Health app, and Happy Scale will export all your weights to Apple Health so other apps can see them. • IMAGINE YOUR SUCCESS: See predictions about what you’ll weigh in the future if you keep up your current trends, and set commitment goals for yourself! • KNOW YOUR NUMBERS: Our new BMI calculator shows you exactly where you stand and what weight ranges you need to hit for different health categories. No more guessing if you’re almost there! • WORKS ON ALL YOUR DEVICES: Seamlessly sync between your iPhone and iPad! So, have your previous diets failed because you lost motivation? Try Happy Scale today and join thousands of users who use this app to TAME THE SCALE! ------------------ This app optionally integrates with Apple Health. It is an opt-in feature that’s accessible from the Settings menu. ------------------ If you purchase a monthly or yearly subscription, payment will be charged to your iTunes account. Your account will automatically be charged for renewal within 24-hours prior to the end of the current subscription unless you disable auto-renew. You can turn off auto-renewal at any time by going to your Account Settings on the App Store after purchase. Privacy Policy: https://happyscale.com/privacy Terms of Use: https://happyscale.com/terms

About

Scale Up

This app helps you track and analyze your body composition using Bluetooth-enabled scales. Monitor key metrics like weight, body fat, and muscle mass over time, set fitness goals, and share your progress with friends.

Highlights
  • Bluetooth scale integration
  • Track weight, body fat, muscle mass
  • Evaluate body shape and nutrition
  • Record body history (day, week, month)
  • Generate fitness evaluation reports
  • Set and track weight goals
  • Multi-user support for families
Features
Read full description

Scale Up is an efficient body analyzing application for you and your family. * Work with weight scale, fat scale of Bluetooth 4.0. * Track the weight, body fat, body water, muscle, bone mass, daily caloric intake, visceral fat, and physique rating, fat-free mass, etc. * Evaluate the status of your body shape and nutrition. * Record your body history by day, week and month. * Generate physical fitness evaluation report. * Share your body status to your friends by SNS. * Set goal of your body weight and track. * Support multi users for your family. * See friends in healthy forum. * Share physical fitness report, comment, photos with your friends. * Get notified when friends like and comment on your posts * Show Logos and skins for different Smart Scales. * support Apple Health save or read body measurements.

Screenshots

Happy Scale4 screens
Scale Up4 screens

Verdict

The call

The clearest difference is review sentiment: Happy Scale at 91% against Scale Up's 21%. Happy Scale also leads on rating (4.9 vs 2.7) and update cadence (weekly vs every 2 months). Scale Up's advantage is in-app purchases (none vs 8) and iOS requirement (13.0 vs 16.0). On price, ads 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. Happy Scale sells 8 in-app purchases, starting at $1.99 per month. Scale Up asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Happy Scale holds the better App Store score, 4.9 against 2.7. That said, the two scores are not equally well evidenced: Happy Scale has 58K ratings behind it against 133, so its average is the more settled of the two. Written reviews point the same way: 91% of Happy Scale's written reviews are positive against 21% of Scale Up's.

UpkeepUpdate frequency

Happy Scale ships an update weekly, Scale Up every 2 months. The most recent releases landed on September 25, 2026 and September 16, 2026 respectively.

Scorecard7 real differences · 3 level
Happy Scale versus Scale Up: the parameters behind the verdict, then further details
ParameterHappy ScaleScale Up
PriceFreeFree
Rating4.9 (58K ratings) — better2.7 (133 ratings)
Positive reviews91.5% of reviews — better21.5% of reviews
Number of ratings58K — better133
Update frequencyWeekly — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionAd-supported — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.013.0 — better
Further details — not scored
Size65 MB63 MB
Age rating12+4+
DeveloperFront Pocket Software LLCVTrump

Customer experience

Happy Scale

All ratings57,904 ratings
Positive98.2%
Neutral1.2%
Negative0.6%
Written reviews715 reviews
Positive91.5%
Neutral1.7%
Negative6.9%

Scale Up

All ratings133 ratings
Positive38.3%
Neutral6.8%
Negative54.9%
Written reviews270 reviews
Positive21.5%
Neutral10.7%
Negative67.8%

User reviews

Happy Scale

From 58K App Store ratings

What we love

  • 👍 Excellent weight loss support tool
  • 👍 Motivating and engaging to track weight
  • 👍 Provides great insights and predictions
  • 👍 Smooths out weight fluctuations
  • 👍 Breaks down weight loss journey into milestones

Room to improve

  • 🐛 Reminders don't work for some users
  • 💰 Subscription model is expensive for some

Scale Up

From 133 App Store ratings

What we love

  • 🚀 Easy to set up
  • 👍 Detailed information provided
  • 🚀 Automatic data tracking
  • 👍 Comprehensive reporting

Room to improve

  • 🐛 Bluetooth connectivity issues
  • 🐛 Inaccurate measurements
  • 🐛 App crashes and freezes
  • 🐛 Data loss and sync problems
  • 🐛 Poor app translations and grammar

Bugs and requests

Happy Scale

Reported bugs

1 issue
  • Reminders don't work for some users

Requested features

4 requests
  • Add ability to track body measurements and body fat percentage
  • Provide more chart/graph options (60-day, 6-month)
  • Add a watch app or complication for easier access
  • Implement more celebratory features when reaching goals

Scale Up

Reported bugs

4 issues
  • Unable to register or log in
  • App not detecting Bluetooth scale
  • Incorrect time and date settings
  • Inconsistent data and measurements

Requested features

4 requests
  • Allow changing units to pounds and inches
  • Add option to view weight gain positively
  • Improve app stability and reliability
  • Provide better troubleshooting and support

In-app purchases

8 purchases

Happy Scale

Subscriptions2
  • Happy Scale Deluxe (Monthly)7 Days trial$1.991 Month
  • Happy Scale Deluxe (Yearly)7 Days trial$11.991 Year
One-time6
  • Tip $1$0.99
  • Tip $3$2.99
  • Tip $5$4.99
Show 3 more
  • Tip $10$9.99
  • Happy Scale Premium (Lifetime)$39.99
  • Happy Scale Deluxe (Lifetime)$39.99
None

Scale Up

No in-app purchases

Questions

Is Happy Scale free?
Happy Scale is free to download, with in-app purchases available.
Is Scale Up free?
Scale Up is free to download, with no in-app purchases.
Which has better reviews, Happy Scale or Scale Up?
Happy Scale is rated higher. Happy Scale averages 4.9 out of 5 from 58K ratings, while Scale Up averages 2.7 from 133 ratings.
Do Happy Scale or Scale Up have ads?
Neither Happy Scale nor Scale Up shows ads.
Which is updated more often, Happy Scale or Scale Up?
Happy Scale ships an update weekly, and Scale Up every 2 months. Most recently, Happy Scale was updated on September 25, 2026 and Scale Up on September 16, 2026.

Other comparisons