# GroupWizard(PingPongRobot) vs KNOUON

The clearest difference is update cadence: KNOUON at fortnightly against GroupWizard(PingPongRobot)'s every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

GroupWizard(PingPongRobot) ships an update every 5 months, KNOUON fortnightly. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | GroupWizard(PingPongRobot) | KNOUON |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 21 MB | 41 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RoboRisen](https://appshunter.io/developer/1482586469) | [Korea National Open University](https://appshunter.io/developer/504499080) |

## What reviewers say

### GroupWizard(PingPongRobot)

[App page](https://appshunter.io/ios/app/groupwizardpingpongrobot/id1515629559)

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

**In-app purchases:** none


### KNOUON

[App page](https://appshunter.io/ios/app/knouon/id6797845163)

This app provides a unified learning management system for various degree and lifelong education courses. Access lectures, download video content, and receive important notifications to enhance your educational experience.

**Highlights:** Unified learning management system, Access PC-equivalent lecture content, Download lecture videos, Receive learning-related notifications

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

**In-app purchases:** none


## Frequently asked questions

### Is GroupWizard(PingPongRobot) free?

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

### Is KNOUON free?

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

### Do GroupWizard(PingPongRobot) or KNOUON have ads?

Neither GroupWizard(PingPongRobot) nor KNOUON shows ads.

### Which is updated more often, GroupWizard(PingPongRobot) or KNOUON?

GroupWizard(PingPongRobot) ships an update every 5 months, and KNOUON fortnightly. Most recently, GroupWizard(PingPongRobot) was updated on October 4, 2026 and KNOUON on October 7, 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.*