# Weight Tracker, BMI calculator vs KOR (Keep On Rolling)

The clearest difference is ads: KOR (Keep On Rolling) at none against Weight Tracker, BMI calculator's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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

## The numbers

| Metric | Weight Tracker, BMI calculator | KOR (Keep On Rolling) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/kor-keep-on-rolling/id1599601993/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | Monthly |
| Monetization | — | Free |
| Size | 41 MB | 87 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [INNOVATIVE FUTURE TECH](https://appshunter.io/developer/1717343097) | [Mason Tuft](https://appshunter.io/developer/1599601995) |

## What reviewers say

### Weight Tracker, BMI calculator

[App page](https://appshunter.io/ios/app/weight-tracker-bmi-calculator/id1418885210)

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

**In-app purchases:** none


### KOR (Keep On Rolling)

[App page](https://appshunter.io/ios/app/kor-keep-on-rolling/id1599601993)

This app uses complex algorithms to calculate wear and tear on your bicycle based on logged mileage from Strava. It's available for free to users who patronize participating shops.

**Highlights:** Bike wear and tear calculation, Strava integration, Mileage logging, Free for users of participating shops

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Weight Tracker, BMI calculator free?

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

### Is KOR (Keep On Rolling) free?

KOR (Keep On Rolling) is free to download, with no in-app purchases.

### Do Weight Tracker, BMI calculator or KOR (Keep On Rolling) have ads?

Weight Tracker, BMI calculator shows ads; KOR (Keep On Rolling) does not.

### Which is updated more often, Weight Tracker, BMI calculator or KOR (Keep On Rolling)?

Weight Tracker, BMI calculator ships an update monthly, and KOR (Keep On Rolling) monthly. Most recently, Weight Tracker, BMI calculator was updated on November 2, 2026 and KOR (Keep On Rolling) 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.*