# PLISM 입출항 (프리즘 입출항) vs portwise

The clearest difference is iOS requirement: PLISM 입출항 (프리즘 입출항) at 9.0 against portwise's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PLISM 입출항 (프리즘 입출항) ships an update every 23 months, portwise every 30 months. The most recent releases landed on October 7, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | PLISM 입출항 (프리즘 입출항) | portwise |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 23 months** | Every 30 months |
| Size | 3 MB | 19 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KL-Net CORP.](https://appshunter.io/developer/549406317) | [Ulsan Port Authority](https://appshunter.io/developer/1736862769) |

## What reviewers say

### PLISM 입출항 (프리즘 입출항)

[App page](https://appshunter.io/ios/app/plism/id1460559150)

**In-app purchases:** none


### portwise

[App page](https://appshunter.io/ios/app/portwise/id6479682645)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PLISM 입출항 (프리즘 입출항) free?

PLISM 입출항 (프리즘 입출항) is free to download, with no in-app purchases.

### Is portwise free?

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

### Do PLISM 입출항 (프리즘 입출항) or portwise have ads?

Neither PLISM 입출항 (프리즘 입출항) nor portwise shows ads.

### Which is updated more often, PLISM 입출항 (프리즘 입출항) or portwise?

PLISM 입출항 (프리즘 입출항) ships an update every 23 months, and portwise every 30 months. Most recently, PLISM 입출항 (프리즘 입출항) was updated on October 7, 2026 and portwise on October 18, 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.*