# K vs AMRAP Box

The clearest difference is update cadence: AMRAP Box at every 4 days against K's every 2 months. On price, ads, 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.

K ships an update every 2 months, AMRAP Box every 4 days. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | K | AMRAP Box |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 55 MB | 28 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [K-Sport World S.r.l](https://appshunter.io/developer/1706833497) | [Taras Shypka](https://appshunter.io/developer/1890458364) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-pro-sport-tracking/id6472656246)

**Features:** macOS Compatibility

**In-app purchases:** none


### AMRAP Box

[App page](https://appshunter.io/ios/app/amrap-box-workout-timer/id6767149937)

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

**In-app purchases:** none


## Frequently asked questions

### Is K free?

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

### Is AMRAP Box free?

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

### Do K or AMRAP Box have ads?

Neither K nor AMRAP Box shows ads.

### Which is updated more often, K or AMRAP Box?

K ships an update every 2 months, and AMRAP Box every 4 days. Most recently, K was updated on October 20, 2026 and AMRAP Box on October 25, 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.*