# 서울교대 Smart ID vs PingPongRobot

The clearest difference is iOS requirement: 서울교대 Smart ID at 8.0 against PingPongRobot'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.

서울교대 Smart ID ships an update every 2 weeks, PingPongRobot every 3 weeks. The most recent releases landed on September 18, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 서울교대 Smart ID | PingPongRobot |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | — | Free |
| Size | 33 MB | 143 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SYMTRA KOREA CO., LTD.](https://appshunter.io/developer/441041542) | [RoboRisen](https://appshunter.io/developer/1482586469) |

## What reviewers say

### 서울교대 Smart ID

[App page](https://appshunter.io/ios/app/smart-id/id1208037068)

**Features:** macOS Compatibility

**In-app purchases:** none


### PingPongRobot

[App page](https://appshunter.io/ios/app/pingpongrobot/id1482586470)

This app allows users to create simple robotic sequences for motion, timing, drawing, and dancing using modular robot cubes. It guides users through assembly, pairing, and controlling various robot models with different modes.

**Highlights:** Robotic engineering sequences, Motion, timing, drawing, dancing, Modular robot cube control, 3D modeling guide, Joystick, Dancing, Drawing modes, LED color identification

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

**In-app purchases:** none


## Frequently asked questions

### Is 서울교대 Smart ID free?

서울교대 Smart ID is free to download, with no in-app purchases.

### Is PingPongRobot free?

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

### Do 서울교대 Smart ID or PingPongRobot have ads?

Neither 서울교대 Smart ID nor PingPongRobot shows ads.

### Which is updated more often, 서울교대 Smart ID or PingPongRobot?

서울교대 Smart ID ships an update every 2 weeks, and PingPongRobot every 3 weeks. Most recently, 서울교대 Smart ID was updated on September 18, 2026 and PingPongRobot on October 9, 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.*