# BMI Calculator・Weight Tracker vs Armor Training

The clearest difference is in-app purchases: Armor Training at none against BMI Calculator・Weight Tracker's 5. Armor Training also leads on rating (5.0 vs 4.8). BMI Calculator・Weight Tracker's advantage is ratings volume (517 vs 8). 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. Armor Training asks for nothing beyond the download.

Armor Training holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: BMI Calculator・Weight Tracker has 517 ratings behind it against 8, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | BMI Calculator・Weight Tracker | Armor Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (517 ratings)](https://appshunter.io/ios/app/bmi-calculatorweight-tracker/id1560499972/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/armor-training/id6759379695/reviews)** |
| Number of ratings | **517** | 8 |
| Positive reviews | 84.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Freemium | **Free** |
| Size | 53 MB | 58 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [AboutMe Apps, Inc.](https://appshunter.io/developer/1088980079) | [TeamUp Sports](https://appshunter.io/developer/1449504626) |

## What reviewers say

### 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


### Armor Training

[App page](https://appshunter.io/ios/app/armor-training/id6759379695)

This app guides your health and fitness journey by allowing you to book classes online. It integrates with Apple Health to track daily steps, distance, and calories burned, and can import data from wearable devices.

**Highlights:** Online class booking, Apple Health integration, Progress tracking, Import wearable device data, Step, distance, calorie tracking

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BMI Calculator・Weight Tracker free?

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

### Is Armor Training free?

Armor Training is free to download, with no in-app purchases.

### Which has better reviews, BMI Calculator・Weight Tracker or Armor Training?

Armor Training is rated higher. BMI Calculator・Weight Tracker averages 4.8 out of 5 from 517 ratings, while Armor Training averages 5.0 from 8 ratings.

### Do BMI Calculator・Weight Tracker or Armor Training have ads?

Neither BMI Calculator・Weight Tracker nor Armor Training shows ads.

### Which is updated more often, BMI Calculator・Weight Tracker or Armor Training?

BMI Calculator・Weight Tracker ships an update every 2 months, and Armor Training every 2 months. Most recently, BMI Calculator・Weight Tracker was updated on October 27, 2026 and Armor Training on October 28, 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.*