# Kstyle OS vs RepHeft

The clearest difference is in-app purchases: Kstyle OS at none against RepHeft's 1. Kstyle OS also leads on iOS requirement (15.6 vs 18.4). On price, ads and device support there is nothing between them.

Both are free to download. RepHeft sells 1 one-off in-app purchase. Kstyle OS asks for nothing beyond the download.

## The numbers

| Metric | Kstyle OS | RepHeft |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (13 ratings)](https://appshunter.io/ios/app/kstyle-os/id6503945039/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Monetization | Free | — |
| Size | 248 MB | 3 MB |
| Requires iOS | **15.6** | 18.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [上海凯斯领拓技术有限公司](https://appshunter.io/developer/1696907877) | [Martin Vesper](https://appshunter.io/developer/1895066261) |

## What reviewers say

### Kstyle OS

[App page](https://appshunter.io/ios/app/kstyle-os/id6503945039)

This companion app syncs with a specific smartwatch to display incoming calls and messages. It records and visualizes heart rate and motion data, and allows for smartwatch reminders and alarms. It's designed for general fitness tracking, not medical use.

**Highlights:** Incoming call and SMS/MMS push to smartwatch, Quick reply to rejected calls, Heart rate data recording and visualization, Motion data tracking (steps, distance), Smartwatch reminder and alarm settings, General fitness and health monitoring

**Features:** Vision Pro support

**In-app purchases:** none


### RepHeft

[App page](https://appshunter.io/ios/app/repheft/id6762901174)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $0.99 | one-time |


## Frequently asked questions

### Is Kstyle OS free?

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

### Is RepHeft free?

RepHeft is free to download, with in-app purchases available.

### Do Kstyle OS or RepHeft have ads?

Neither Kstyle OS nor RepHeft shows ads.

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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.*