# JCBlock vs 오케스트라2

The clearest difference is review sentiment: 오케스트라2 at 100% against JCBlock's 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.

JCBlock ships an update every 4 months, 오케스트라2 every 6 months. The most recent releases landed on September 22, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | JCBlock | 오케스트라2 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Free | Free |
| Size | 8 MB | 196 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [InSoo Kim](https://appshunter.io/developer/975978291) | [SAEON Co.,LTD.](https://appshunter.io/developer/1386544661) |

## What reviewers say

### JCBlock

[App page](https://appshunter.io/ios/app/jcblock/id1490437926)

Control drones and coding boards using block-based programming. This educational tool allows users to create code for various devices like JDKit, JDCode, JCBoard, and Arduino.

**Highlights:** Block-based coding interface, Drone control (JDKit, JDCode), Coding board control (JCBoard, UglyBot, Arduino, RoboDog), Educational programming tool, Device compatibility

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

**In-app purchases:** none


### 오케스트라2

[App page](https://appshunter.io/ios/app/2/id1580516874)

Access a wide range of products sold by SAEON Co., Ltd. This application allows users to explore and utilize various items from the company's catalog. It serves as a digital gateway to their offerings.

**Highlights:** Product catalog access, Utilize company products, Digital product gateway, SAEON Co., Ltd. offerings

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

**In-app purchases:** none


## Frequently asked questions

### Is JCBlock free?

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

### Is 오케스트라2 free?

오케스트라2 is free to download, with no in-app purchases.

### Do JCBlock or 오케스트라2 have ads?

Neither JCBlock nor 오케스트라2 shows ads.

### Which is updated more often, JCBlock or 오케스트라2?

JCBlock ships an update every 4 months, and 오케스트라2 every 6 months. Most recently, JCBlock was updated on September 22, 2026 and 오케스트라2 on October 11, 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.*