# YBM잉글루 vs i

The clearest difference is update cadence: i at weekly against YBM잉글루's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

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

YBM잉글루 ships an update every 4 months, i weekly. The most recent releases landed on September 18, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | YBM잉글루 | i |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free | — |
| Size | 30 MB | 39 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [YBM NET, Inc.](https://appshunter.io/developer/332188969) | [TaeHoon Ko](https://appshunter.io/developer/1853555647) |

## What reviewers say

### YBM잉글루

[App page](https://appshunter.io/ios/app/ybm/id667229543)

This app provides parents and campus administrators with a dedicated mobile platform for managing student attendance, academic progress, and important communications. It offers real-time updates on test results, event notifications, and allows for direct messaging between parents and campuses.

**Highlights:** Track attendance and learning status, Receive push notifications for school communications, View report results from tests, Send push messages to parents, Real-time event and announcement updates, Add child profile pictures

**In-app purchases:** none


### i

[App page](https://appshunter.io/ios/app/i-bom/id6751081304)

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

**In-app purchases:** none


## Frequently asked questions

### Is YBM잉글루 free?

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

### Is i free?

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

### Do YBM잉글루 or i have ads?

Neither YBM잉글루 nor i shows ads.

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

YBM잉글루 ships an update every 4 months, and i weekly. Most recently, YBM잉글루 was updated on September 18, 2026 and i on September 14, 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.*