# 코스모스 vs i

The clearest difference is iOS requirement: i at 14.0 against 코스모스's 16. On price, review sentiment, update cadence and ads there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 코스모스 | i |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (303 ratings)](https://appshunter.io/ios/app/id1142523906/reviews)** | — |
| Number of ratings | **303** | — |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | — | Free |
| Size | 121 MB | 40 MB |
| Requires iOS | 16 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ubion](https://appshunter.io/developer/424208544) | [INDUSTRIAL BANK OF KOREA](https://appshunter.io/developer/347880191) |

## What reviewers say

### 코스모스

[App page](https://appshunter.io/ios/app/id1142523906)

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Generally good app
- 👍 Useful for lectures
- 👍 Works on Samsung

**What reviewers complain about**

- 🐛 Frequent crashes and freezes
- 🐛 Login issues (white screen, not loading)
- 🐛 Video player volume control issues (swipe gesture)
- 🐛 Inconsistent progress tracking for videos
- 🐛 Difficulty downloading/sharing files (especially PDF/PPT on iOS)

**Reported bugs**

- App crashes on startup after update
- App freezes on login screen
- Video player volume changes when screen is touched
- Video playback progress not always recorded correctly
- Cannot download or share PDF/PPT files on iOS after update

**Requested features**

- Fix video player volume control gesture
- Add a separate tab for assignments
- Improve notification system (unread indicators, separate settings for discussion rooms)
- Enable split view/multitasking on iPad
- Add screen zoom/enlarge feature for videos on iPad


### i

[App page](https://appshunter.io/ios/app/i-one/id6748980039)

This app provides integrated campus services through a mobile student ID. It allows access to key school functions and serves as a digital identification for students.

**Highlights:** Mobile student ID, Access school services, Integrated platform, Digital identification

**In-app purchases:** none


## Frequently asked questions

### Is 코스모스 free?

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

### Is i free?

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

### Do 코스모스 or i have ads?

Neither 코스모스 nor i shows ads.

### Which is updated more often, 코스모스 or i?

코스모스 ships an update every 2 weeks, and i every 2 weeks. Most recently, 코스모스 was updated on October 29, 2026 and i on October 28, 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.*