# 스마트 공지시스템 e알리미 vs 레슨북

The clearest difference is review sentiment: 레슨북 at 94% against 스마트 공지시스템 e알리미's 12%. 레슨북 also leads on update cadence (fortnightly vs every 4 months). 스마트 공지시스템 e알리미's advantage is rating (1.7 vs 1.0) and ratings volume (16 vs 3). On price, ads, in-app purchases and monetization model 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 holds the better App Store score, 1.7 against 1.0. That said, the two scores are not equally well evidenced: 스마트 공지시스템 e알리미 has 16 ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 12% of 스마트 공지시스템 e알리미's written reviews are positive against 94% of 레슨북's, so the app with the better star average is not the one people write more warmly about.

스마트 공지시스템 e알리미 ships an update every 4 months, 레슨북 fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | 스마트 공지시스템 e알리미 | 레슨북 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.7 (16 ratings)](https://appshunter.io/ios/app/e/id899929551/reviews)** | [1.0 (3 ratings)](https://appshunter.io/ios/app/id1071745813/reviews) |
| Number of ratings | **16** | 3 |
| Positive reviews | 12.1% of reviews | **94.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 18 MB | 42 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [(c) E-WUT](https://appshunter.io/developer/487448818) | [제이쓰리랩(주)](https://appshunter.io/developer/1780749019) |

## 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


### 레슨북

[App page](https://appshunter.io/ios/app/id1071745813)

This app helps manage lessons for various activities like golf, Pilates, and tutoring. It offers features for members to book and cancel lessons, instructors to manage schedules and promotions, and centers to oversee operations, member status, and staff.

**Highlights:** Member lesson booking and cancellation, Instructor schedule management and promotion, Center operations and member status tracking, Automated lesson count and duration tracking, Integrated personal and lesson schedule management, Easy payment for lesson passes, Staff scheduling and member assignment

**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 레슨북 free?

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

### Which has better reviews, 스마트 공지시스템 e알리미 or 레슨북?

스마트 공지시스템 e알리미 is rated higher. 스마트 공지시스템 e알리미 averages 1.7 out of 5 from 16 ratings, while 레슨북 averages 1.0 from 3 ratings.

### Do 스마트 공지시스템 e알리미 or 레슨북 have ads?

Neither 스마트 공지시스템 e알리미 nor 레슨북 shows ads.

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

스마트 공지시스템 e알리미 ships an update every 4 months, and 레슨북 fortnightly. Most recently, 스마트 공지시스템 e알리미 was updated on October 24, 2026 and 레슨북 on October 24, 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.*