# 스마트 공지시스템 e알리미 vs Math Arena

The clearest difference is update cadence: Math Arena at every 2 days against 스마트 공지시스템 e알리미'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.

스마트 공지시스템 e알리미 ships an update every 4 months, Math Arena every 2 days. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | 스마트 공지시스템 e알리미 | Math Arena |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.7 (16 ratings)](https://appshunter.io/ios/app/e/id899929551/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 12.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 10 MB | 14 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [(c) E-WUT](https://appshunter.io/developer/487448818) | [sanghak bae](https://appshunter.io/developer/6817019564) |

## What reviewers say

### 스마트 공지시스템 e알리미

[App page](https://appshunter.io/ios/app/e/id899929551)

This app provides a smart notification system for schools, apartments, government offices, and businesses. It allows users to experience new and more convenient announcements. Users can apply for service through the provided website.

**Highlights:** Smart notification system, Photo upload capability, Push notifications for announcements, Service application via website, Supports various organizations

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

**In-app purchases:** none


### Math Arena

[App page](https://appshunter.io/ios/app/math-arena/id6818374289)

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

**In-app purchases:** none


## Frequently asked questions

### Is 스마트 공지시스템 e알리미 free?

스마트 공지시스템 e알리미 is free to download, with no in-app purchases.

### Is Math Arena free?

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

### Do 스마트 공지시스템 e알리미 or Math Arena have ads?

Neither 스마트 공지시스템 e알리미 nor Math Arena shows ads.

### Which is updated more often, 스마트 공지시스템 e알리미 or Math Arena?

스마트 공지시스템 e알리미 ships an update every 4 months, and Math Arena every 2 days. Most recently, 스마트 공지시스템 e알리미 was updated on November 6, 2026 and Math Arena on November 8, 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.*