# K vs ProKick

The clearest difference is in-app purchases: ProKick at none against K's 9. K's advantage is iOS requirement (14.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. K sells 9 in-app purchases, starting at $3.99 per month. ProKick asks for nothing beyond the download.

K ships an update weekly, ProKick every 9 days. The most recent releases landed on October 19, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | K | ProKick |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | Free with in-app purchases | — |
| Size | 108 MB | 32 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [K-Sport World S.r.l](https://appshunter.io/developer/1706833497) | [Aleandro Coppola](https://appshunter.io/developer/1289460796) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-fans-training/id6670202026)

This app uses AI to monitor your sports performance, providing real-time feedback to help you improve. It measures data with high accuracy and is designed for comfort and durability during any activity. Connect with friends, train like a pro, and challenge others.

**Highlights:** AI-powered performance monitoring, Real-time feedback, Accurate data measurement, Durable and comfortable design, Play and train with friends, Challenge other players

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Standard | $3.99 | per month |
| Monthly Plus | $8.99 | per month |
| Monthly Premium | $12.99 | per month |
| Yearly Standard | $34.99 | per year |
| Yearly Plus | $69.99 | per year |
| Yearly Premium | $99.99 | per year |
| 5.000 K-Coins | $22.99 | one-time |
| 10.000 K-Coins | $34.99 | one-time |
| 20.000 K-Coins | $49.99 | one-time |


### ProKick

[App page](https://appshunter.io/ios/app/prokick/id6736663225)

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

**In-app purchases:** none


## Frequently asked questions

### Is K free?

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

### Is ProKick free?

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

### Do K or ProKick have ads?

Both K and ProKick show ads.

### Which is updated more often, K or ProKick?

K ships an update weekly, and ProKick every 9 days. Most recently, K was updated on October 19, 2026 and ProKick on October 27, 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.*