# 루미앱 vs Withpiano

The clearest difference is update cadence: 루미앱 at monthly against Withpiano's every 2 months. 루미앱 also leads on iOS requirement (9.0 vs 14.0). Withpiano's advantage is review sentiment (33% vs 25%). 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.

루미앱 ships an update monthly, Withpiano every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | 루미앱 | Withpiano |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | — | Free |
| Size | 9 MB | 50 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Connected8 Corp.](https://appshunter.io/developer/1412738622) | [Sungsik Kim](https://appshunter.io/developer/1527041339) |

## What reviewers say

### 루미앱

[App page](https://appshunter.io/ios/app/id1508464562)

**Features:** macOS Compatibility

**In-app purchases:** none


### Withpiano

[App page](https://appshunter.io/ios/app/withpiano/id1548408091)

This app allows piano students to easily manage their lessons and access school information. Users can check and book lesson schedules in real-time, and stay updated with the latest news and announcements from the academy.

**Highlights:** Real-time lesson scheduling, Lesson booking and confirmation, Academy news and information, Easy student access, Progress tracking (implied)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 루미앱 free?

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

### Is Withpiano free?

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

### Do 루미앱 or Withpiano have ads?

Neither 루미앱 nor Withpiano shows ads.

### Which is updated more often, 루미앱 or Withpiano?

루미앱 ships an update monthly, and Withpiano every 2 months. Most recently, 루미앱 was updated on November 3, 2026 and Withpiano on November 3, 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.*