# PingPongRobot vs 선배교사

The clearest difference is review sentiment: 선배교사 at 100% against PingPongRobot's 25%. 선배교사 also leads on iOS requirement (13.0 vs 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.

PingPongRobot ships an update every 3 weeks, 선배교사 fortnightly. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PingPongRobot | 선배교사 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 143 MB | 33 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RoboRisen](https://appshunter.io/developer/1482586469) | [Peacher Co., Ltd.](https://appshunter.io/developer/1860143526) |

## What reviewers say

### 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


### 선배교사

[App page](https://appshunter.io/ios/app/id6756334480)

This app provides a real-time SOS platform for K-12 teachers, offering expert advice on classroom challenges, administrative issues, and personal concerns. It fosters a supportive community for sharing insights, tips, and exclusive VIP benefits tailored for educators.

**Highlights:** Real-time expert Q&A, Teacher support community, Insightful teacher magazine, Verified teacher recommendations, Exclusive VIP benefits for teachers

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

**In-app purchases:** none


## Frequently asked questions

### Is PingPongRobot free?

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

### Is 선배교사 free?

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

### Do PingPongRobot or 선배교사 have ads?

Neither PingPongRobot nor 선배교사 shows ads.

### Which is updated more often, PingPongRobot or 선배교사?

PingPongRobot ships an update every 3 weeks, and 선배교사 fortnightly. Most recently, PingPongRobot was updated on October 26, 2026 and 선배교사 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.*