# Abyssborn vs KOSPI RollerCoaster

The clearest difference is in-app purchases: Abyssborn at none against KOSPI RollerCoaster's 8. KOSPI RollerCoaster's advantage is update cadence (every 3 days vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. KOSPI RollerCoaster sells 8 one-off in-app purchases. Abyssborn asks for nothing beyond the download.

Abyssborn ships an update every 5 weeks, KOSPI RollerCoaster every 3 days. The most recent releases landed on October 1, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Abyssborn | KOSPI RollerCoaster |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Size | 18 MB | 518 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [DOO-HWAN KIM](https://appshunter.io/developer/1769904670) | [Boram Sim](https://appshunter.io/developer/1896655392) |

## What reviewers say

### Abyssborn

[App page](https://appshunter.io/ios/app/abyssborn/id6786609956)

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

**In-app purchases:** none


### KOSPI RollerCoaster

[App page](https://appshunter.io/ios/app/kospi-rollercoaster/id6799960150)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ant Point Envelope | $0.49 | one-time |
| Limit-Up Golden Bull Statue | $1.99 | one-time |
| Park Mina Permanent Recruit Pass | $2.99 | one-time |
| Fire Ant Point Box | $2.99 | one-time |
| Ad Skip Pass | $2.99 | one-time |
| Oh Taesu Permanent Recruit Pass | $3.99 | one-time |
| Bull Ant Point Vault | $5.99 | one-time |
| Golden Collector Vehicle Pack | $6.99 | one-time |


## Frequently asked questions

### Is Abyssborn free?

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

### Is KOSPI RollerCoaster free?

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

### Do Abyssborn or KOSPI RollerCoaster have ads?

Both Abyssborn and KOSPI RollerCoaster show ads.

### Which is updated more often, Abyssborn or KOSPI RollerCoaster?

Abyssborn ships an update every 5 weeks, and KOSPI RollerCoaster every 3 days. Most recently, Abyssborn was updated on October 1, 2026 and KOSPI RollerCoaster on October 5, 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.*