# Happy Scale vs BMI Calculator, Weight Tracker

The clearest difference is in-app purchases: BMI Calculator, Weight Tracker at none against Happy Scale's 8. BMI Calculator, Weight Tracker also leads on iOS requirement (13.0 vs 16.0). Happy Scale's advantage is update cadence (weekly vs every 4 months) and ratings volume (58K vs 88). On price, ads and device support there is nothing between them.

Both are free to download. Happy Scale sells 8 in-app purchases, starting at $1.99 per month. BMI Calculator, Weight Tracker asks for nothing beyond the download.

Happy Scale holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: Happy Scale has 58K ratings behind it against 88, 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 71% of BMI Calculator, Weight Tracker's.

Happy Scale ships an update weekly, BMI Calculator, Weight Tracker every 4 months. The most recent releases landed on September 27, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Happy Scale | BMI Calculator, Weight Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (58K ratings)](https://appshunter.io/ios/app/happy-scale/id532430574/reviews)** | [4.6 (88 ratings)](https://appshunter.io/ios/app/bmi-calculator-weight-tracker/id1590860385/reviews) |
| Number of ratings | **58K** | 88 |
| Positive reviews | **91.5% of reviews** | 71.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 months |
| Monetization | Subscription | **Free** |
| Best chart rank | **#181** | — |
| Size | 65 MB | 8 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Front Pocket Software LLC](https://appshunter.io/developer/425877766) | [Appnap Technologies Limited](https://appshunter.io/developer/1553618191) |

## What reviewers say

### Happy Scale

[App page](https://appshunter.io/ios/app/happy-scale/id532430574)

**Currently charting:** #181 Top Grossing · Health & Fitness (US App Store)

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:** macOS Compatibility, Family Sharing

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Happy Scale Deluxe (Monthly) | $1.99 | per month |
| Happy Scale Deluxe (Yearly) | $11.99 | per year |
| Tip $1 | $0.99 | one-time |
| Tip $3 | $2.99 | one-time |
| Tip $5 | $4.99 | one-time |
| Tip $10 | $9.99 | one-time |
| Happy Scale Premium (Lifetime) | $39.99 | one-time |
| Happy Scale Deluxe (Lifetime) | $39.99 | one-time |

**What reviewers like**

- 👍 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

**What reviewers complain about**

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

**Reported bugs**

- Reminders don't work for some users

**Requested features**

- 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


### BMI Calculator, Weight Tracker

[App page](https://appshunter.io/ios/app/bmi-calculator-weight-tracker/id1590860385)

Calculate your Body Mass Index (BMI) and monitor your weight progress with detailed analytics and infographics. Track weight loss, analyze weight gain, and set target weights for personalized feedback. Features automatic cloud backup for your data.

**Highlights:** BMI calculation for multiple profiles, Weight monitoring and trend analysis, Body fat percentage insights, Data analytics with graphs and charts, Target weight setting, Automatic cloud backup

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Happy Scale free?

Happy Scale is free to download, with in-app purchases available.

### Is BMI Calculator, Weight Tracker free?

BMI Calculator, Weight Tracker is free to download, with no in-app purchases.

### Which has better reviews, Happy Scale or BMI Calculator, Weight Tracker?

Happy Scale is rated higher. Happy Scale averages 4.9 out of 5 from 58K ratings, while BMI Calculator, Weight Tracker averages 4.6 from 88 ratings.

### Do Happy Scale or BMI Calculator, Weight Tracker have ads?

Neither Happy Scale nor BMI Calculator, Weight Tracker shows ads.

### Which is updated more often, Happy Scale or BMI Calculator, Weight Tracker?

Happy Scale ships an update weekly, and BMI Calculator, Weight Tracker every 4 months. Most recently, Happy Scale was updated on September 27, 2026 and BMI Calculator, Weight Tracker on September 20, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*