# Koin vs Ohmyoppa

The clearest difference is update cadence: Koin at every 4 days against Ohmyoppa's fortnightly. Ohmyoppa's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 18.6). On price, 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.

Koin ships an update every 4 days, Ohmyoppa fortnightly. The most recent releases landed on October 28, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Koin | Ohmyoppa |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/koin/id6760605411/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Fortnightly |
| Monetization | Free | — |
| Size | 114 MB | 61 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Seong-hyeok Yang](https://appshunter.io/developer/1870463657) | [JOONWOO LEE](https://appshunter.io/developer/1890062900) |

## What reviewers say

### Koin

[App page](https://appshunter.io/ios/app/koin/id6760605411)

This app helps international students, travelers, and newcomers navigate life in Korea. It offers curated local information, community forums for connection, and AI tools for understanding everyday objects like signs and food.

**Highlights:** Curated local information, Community forums, AI-powered camera translation, Discover culture, food, and places, Connect with others in Korea

**In-app purchases:** none


### Ohmyoppa

[App page](https://appshunter.io/ios/app/ohmyoppa/id6761509264)

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

**In-app purchases:** none


## Frequently asked questions

### Is Koin free?

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

### Is Ohmyoppa free?

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

### Do Koin or Ohmyoppa have ads?

Neither Koin nor Ohmyoppa shows ads.

### Which is updated more often, Koin or Ohmyoppa?

Koin ships an update every 4 days, and Ohmyoppa fortnightly. Most recently, Koin was updated on October 28, 2026 and Ohmyoppa on October 15, 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.*