# 레슨북 vs AI로보시티+ 조립도

The clearest difference is iOS requirement: AI로보시티+ 조립도 at 12.0 against 레슨북's 17.0. On price, update cadence, 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.

레슨북 ships an update every 11 days, AI로보시티+ 조립도 every 2 weeks. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 레슨북 | AI로보시티+ 조립도 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (3 ratings)](https://appshunter.io/ios/app/id1071745813/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 94.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 2 weeks |
| Monetization | Free | — |
| Size | 42 MB | 288 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [제이쓰리랩(주)](https://appshunter.io/developer/1780749019) | [youngsook park](https://appshunter.io/developer/967722231) |

## What reviewers say

### 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


### AI로보시티+ 조립도

[App page](https://appshunter.io/ios/app/ai-plus/id1563663420)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 레슨북 free?

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

### Is AI로보시티+ 조립도 free?

AI로보시티+ 조립도 is free to download, with no in-app purchases.

### Do 레슨북 or AI로보시티+ 조립도 have ads?

Neither 레슨북 nor AI로보시티+ 조립도 shows ads.

### Which is updated more often, 레슨북 or AI로보시티+ 조립도?

레슨북 ships an update every 11 days, and AI로보시티+ 조립도 every 2 weeks. Most recently, 레슨북 was updated on October 29, 2026 and AI로보시티+ 조립도 on October 27, 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.*