# Smart Weight Tracker vs Fast BMI Calculator Pro

The clearest difference is in-app purchases: Smart Weight Tracker at none against Fast BMI Calculator Pro's 1. Smart Weight Tracker also leads on update cadence (every 3 days vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Fast BMI Calculator Pro sells 1 in-app purchase, starting at $9.99 per 7 days. Smart Weight Tracker asks for nothing beyond the download.

Smart Weight Tracker ships an update every 3 days, Fast BMI Calculator Pro every 5 months. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Smart Weight Tracker | Fast BMI Calculator Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/smart-weight-tracker/id6748303572/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 5 months |
| Monetization | Ad-supported | — |
| Size | 9 MB | 34 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Matrix Software Co.](https://appshunter.io/developer/1457004046) | [Blazing App Studio](https://appshunter.io/developer/1787017244) |

## What reviewers say

### Smart Weight Tracker

[App page](https://appshunter.io/ios/app/smart-weight-tracker/id6748303572)

This app helps you manage your weight and track daily calories with smart tools. It offers personalized goals, progress visualization, and reminders to keep you on track. Features include a BMI calculator, calorie monitoring, and camera integration for food estimates.

**Highlights:** Smart BMI calculator with visualizations, Daily weight tracking and progress charts, Calorie intake and expenditure monitoring, Personalized weight goals and recommendations, Progress visualization with charts and graphs, Smart reminders for weigh-ins, Camera integration for AI calorie estimates

**Features:** macOS Compatibility

**In-app purchases:** none


### Fast BMI Calculator Pro

[App page](https://appshunter.io/ios/app/fast-bmi-calculator-pro/id6755146364)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free Experience — Weekly | $9.99 | per 7 days |


## Frequently asked questions

### Is Smart Weight Tracker free?

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

### Is Fast BMI Calculator Pro free?

Fast BMI Calculator Pro is free to download, with in-app purchases available.

### Do Smart Weight Tracker or Fast BMI Calculator Pro have ads?

Both Smart Weight Tracker and Fast BMI Calculator Pro show ads.

### Which is updated more often, Smart Weight Tracker or Fast BMI Calculator Pro?

Smart Weight Tracker ships an update every 3 days, and Fast BMI Calculator Pro every 5 months. Most recently, Smart Weight Tracker was updated on October 24, 2026 and Fast BMI Calculator Pro on October 19, 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.*