# Smart Scale vs BMI Calculator・Weight Tracker

The clearest difference is review sentiment: BMI Calculator・Weight Tracker at 84% against Smart Scale's 19%. BMI Calculator・Weight Tracker also leads on rating (4.8 vs 3.1) and ratings volume (517 vs 14). Smart Scale's advantage is in-app purchases (none vs 5) and iOS requirement (8.0 vs 14.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. BMI Calculator・Weight Tracker sells 5 in-app purchases, starting at $9.99 per month. Smart Scale asks for nothing beyond the download.

BMI Calculator・Weight Tracker holds the better App Store score, 4.8 against 3.1. That said, the two scores are not equally well evidenced: BMI Calculator・Weight Tracker has 517 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 19% of Smart Scale's written reviews are positive against 84% of BMI Calculator・Weight Tracker's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Smart Scale | BMI Calculator・Weight Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (14 ratings)](https://appshunter.io/ios/app/smart-scale-body-record-tool/id674501749/reviews) | **[4.8 (517 ratings)](https://appshunter.io/ios/app/bmi-calculatorweight-tracker/id1560499972/reviews)** |
| Number of ratings | 14 | **517** |
| Positive reviews | 19.4% of reviews | **84.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Freemium |
| Size | 23 MB | 53 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 17+ |
| Developer | [晶 原](https://appshunter.io/developer/536898119) | [AboutMe Apps, Inc.](https://appshunter.io/developer/1088980079) |

## What reviewers say

### Smart Scale

[App page](https://appshunter.io/ios/app/smart-scale-body-record-tool/id674501749)

This app helps you track your family's body composition data from compatible smart scales. Monitor key metrics like weight, body fat, and muscle mass, with options for manual entry and historical tracking. It also provides standard reference tables and daily measurement reminders.

**Highlights:** Supports 8 family users, Bluetooth smart scale integration, Tracks weight, body fat, water, muscle, bone mass, Records daily caloric intake and visceral fat, Manual weight recording, Daily, weekly, monthly tracking, Standard body parameter reference tables

**Features:** macOS Compatibility

**In-app purchases:** none


### BMI Calculator・Weight Tracker

[App page](https://appshunter.io/ios/app/bmi-calculatorweight-tracker/id1560499972)

Easily calculate your Body Mass Index (BMI) and track your weight progress. Visualize your trends with graphs, gain predictive insights, and set goals for your health journey. Supports metric and imperial systems, with Apple Watch integration.

**Highlights:** BMI Calculation, Weight Tracking, Metric and Imperial Systems, Apple Watch Integration, Graphs and Stats, Predictive Insights

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monitor your weight & progress | $9.99 | per month |
| Monthly Premium | $9.99 | per month |
| Predict your future weight＋BMI | $19.99 | per year |
| Premium Year | $19.99 | per year |
| Premium 3 Months | $19.99 | per 3 months |

**What reviewers like**

- 👍 Simple and easy-to-use interface
- 📊 Effective weight tracking and logging
- 🎨 Aesthetically pleasing design
- ⚡ Quick daily input process
- 🏥 Integrates with Apple Health

**What reviewers complain about**

- 🐛 App crashes after recent updates
- 🐛 App won't open on iOS 17.5.1
- 😔 Potentially negative psychological impact with BMI labels
- 🎨 Loss of color customization options

**Reported bugs**

- App stopped working after June 2024 update
- Crashes on iPad Air (5th Generation) with iOS 17.5.1
- Unable to open app on latest iOS versions
- App fails to launch after recent updates

**Requested features**

- Restore different color options for tracking
- More sensitive language for BMI categorization


## Frequently asked questions

### Is Smart Scale free?

Smart Scale is free to download, with no in-app purchases.

### Is BMI Calculator・Weight Tracker free?

BMI Calculator・Weight Tracker is free to download, with in-app purchases available.

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

BMI Calculator・Weight Tracker is rated higher. Smart Scale averages 3.1 out of 5 from 14 ratings, while BMI Calculator・Weight Tracker averages 4.8 from 517 ratings.

### Do Smart Scale or BMI Calculator・Weight Tracker have ads?

Neither Smart Scale nor BMI Calculator・Weight Tracker shows ads.

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

Smart Scale ships an update every 2 months, and BMI Calculator・Weight Tracker every 2 months. Most recently, Smart Scale was updated on November 1, 2026 and BMI Calculator・Weight Tracker on November 3, 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.*