# 비상교육 도형 길잡이 vs U

The clearest difference is iOS requirement: U at 12.1 against 비상교육 도형 길잡이's 15.0. 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.

비상교육 도형 길잡이 ships an update every 9 months, U every 6 months. The most recent releases landed on September 21, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | 비상교육 도형 길잡이 | U |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1448460304/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 65.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 6 months** |
| Monetization | Free | — |
| Size | 162 MB | 8 MB |
| Requires iOS | 15.0 | **12.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VISANG EDUCATION INC](https://appshunter.io/developer/992780061) | [MIN HO KIM](https://appshunter.io/developer/582570599) |

## What reviewers say

### 비상교육 도형 길잡이

[App page](https://appshunter.io/ios/app/id1448460304)

Explore geometric shapes through interactive 3D models and manipulatives. Learn concepts like area and components of various polyhedra with engaging activities. Supports understanding of complex shapes by allowing users to build and examine them from all angles.

**Highlights:** Interactive 3D shape exploration, Manipulate polygons to learn area and formulas, Examine components of polyhedra, Fold and unfold nets of 3D shapes, Build and observe structures with building blocks, Recognize shape markers from textbooks

**Features:** macOS Compatibility

**In-app purchases:** none


### U

[App page](https://appshunter.io/ios/app/u-class-cast/id1491457129)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 비상교육 도형 길잡이 free?

비상교육 도형 길잡이 is free to download, with no in-app purchases.

### Is U free?

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

### Do 비상교육 도형 길잡이 or U have ads?

Neither 비상교육 도형 길잡이 nor U shows ads.

### Which is updated more often, 비상교육 도형 길잡이 or U?

비상교육 도형 길잡이 ships an update every 9 months, and U every 6 months. Most recently, 비상교육 도형 길잡이 was updated on September 21, 2026 and U on September 17, 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.*