# KaFit vs HD Fit Pro

The clearest difference is iOS requirement: KaFit at 11.0 against HD Fit Pro's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

KaFit ships an update every 3 weeks, HD Fit Pro fortnightly. The most recent releases landed on October 4, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | KaFit | HD Fit Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.6 (118 ratings)](https://appshunter.io/ios/app/hd-fit-pro/id1601611643/reviews)** |
| Number of ratings | — | **118** |
| Positive reviews | — | 30.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | — | Free |
| Size | 55 MB | 555 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen WO TAI ZHI LIAN TECHNOLOGY CO.,Ltd](https://appshunter.io/developer/1768231207) | [Shenzhen Huadafeng Electronics Co., Ltd.](https://appshunter.io/developer/1524150290) |

## What reviewers say

### KaFit

[App page](https://appshunter.io/ios/app/kafit/id1492557617)

**Features:** macOS Compatibility

**In-app purchases:** none


### HD Fit Pro

[App page](https://appshunter.io/ios/app/hd-fit-pro/id1601611643)

This smart health app integrates data and services from Bluetooth wearable devices. It tracks various sports activities and monitors daily health metrics like steps and sleep, helping users manage their physical well-being and build healthy routines.

**Highlights:** Bluetooth wearable device integration, Sports data recording (running, cycling, climbing), Step and sleep monitoring, Health data management, Daily exercise tracking, Healthy routine development

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is KaFit free?

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

### Is HD Fit Pro free?

HD Fit Pro is free to download, with no in-app purchases.

### Do KaFit or HD Fit Pro have ads?

Neither KaFit nor HD Fit Pro shows ads.

### Which is updated more often, KaFit or HD Fit Pro?

KaFit ships an update every 3 weeks, and HD Fit Pro fortnightly. Most recently, KaFit was updated on October 4, 2026 and HD Fit Pro on October 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.*