# 귀뚜라미 카본보드 vs K

The clearest difference is in-app purchases: 귀뚜라미 카본보드 at none against K's 1. 귀뚜라미 카본보드 also leads on iOS requirement (14.0 vs 16.0). K's advantage is update cadence (daily vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. K sells 1 one-off in-app purchase. 귀뚜라미 카본보드 asks for nothing beyond the download.

귀뚜라미 카본보드 ships an update every 4 months, K daily. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 귀뚜라미 카본보드 | K |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Daily** |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 47 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [(주)귀뚜라미](https://appshunter.io/developer/1037231896) | [HOEHYUN JUNG](https://appshunter.io/developer/633373915) |

## What reviewers say

### 귀뚜라미 카본보드

[App page](https://appshunter.io/ios/app/id6470977183)

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

**In-app purchases:** none


### K

[App page](https://appshunter.io/ios/app/k-pushy/id6771961144)

This app uses your phone's camera to automatically count your push-ups, eliminating the need for manual tracking. Choose from various AI coaches with distinct personalities to motivate your workouts and transform your fitness routine.

**Highlights:** Smart auto-counting via front camera, Personalized fitness plan, 8 unique AI coaches, Shareable workout cards, Habit tracking with calendar stamps

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pushy Premium | $2.99 | one-time |


## Frequently asked questions

### Is 귀뚜라미 카본보드 free?

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

### Is K free?

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

### Do 귀뚜라미 카본보드 or K have ads?

Neither 귀뚜라미 카본보드 nor K shows ads.

### Which is updated more often, 귀뚜라미 카본보드 or K?

귀뚜라미 카본보드 ships an update every 4 months, and K daily. Most recently, 귀뚜라미 카본보드 was updated on October 7, 2026 and K on October 8, 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.*