# Core30 vs 야구친구!

The clearest difference is in-app purchases: 야구친구! at none against Core30's 3. 야구친구! also leads on update cadence (every 4 days vs every 8 days) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Core30 sells 3 in-app purchases, starting at $2.99 per 7 days. 야구친구! asks for nothing beyond the download.

Core30 ships an update every 8 days, 야구친구! every 4 days. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Core30 | 야구친구! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/core30-ab-and-core-workout/id6745766720/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 9 MB | 27 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gruffydd Johnston](https://appshunter.io/developer/1651486785) | [앱피소드](https://appshunter.io/developer/1877575926) |

## What reviewers say

### Core30

[App page](https://appshunter.io/ios/app/core30-ab-and-core-workout/id6745766720)

Build a stronger core with quick, effective workouts designed for busy schedules. Featuring 5-10 minute routines and 30-second exercises, this app helps you improve stability and strength. Track your progress and sync with Apple Health for a complete fitness overview.

**Highlights:** Quick 5-10 minute workouts, 30-second timed exercises, Workouts for all fitness levels, No equipment required, Progress tracking, Apple Health integration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Annual | $14.99 | per year |
| Lifetime | $99.99 | one-time |


### 야구친구!

[App page](https://appshunter.io/ios/app/id6748847871)

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

**In-app purchases:** none


## Frequently asked questions

### Is Core30 free?

Core30 is free to download, with in-app purchases available.

### Is 야구친구! free?

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

### Do Core30 or 야구친구! have ads?

Neither Core30 nor 야구친구! shows ads.

### Which is updated more often, Core30 or 야구친구!?

Core30 ships an update every 8 days, and 야구친구! every 4 days. Most recently, Core30 was updated on October 24, 2026 and 야구친구! on October 9, 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.*