# DIMA 도서관 vs 옴니스 피아노

The clearest difference is update cadence: 옴니스 피아노 at every 6 weeks against DIMA 도서관's every 3 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.

DIMA 도서관 ships an update every 3 months, 옴니스 피아노 every 6 weeks. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | DIMA 도서관 | 옴니스 피아노 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.1 (8 ratings)](https://appshunter.io/ios/app/id1275402888/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 40 MB | 19 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [LibTech Co.](https://appshunter.io/developer/1099043485) | [OMNIS Inc. (Apps)](https://appshunter.io/developer/1275402887) |

## What reviewers say

### DIMA 도서관

[App page](https://appshunter.io/ios/app/dima/id578482660)

**Features:** Vision Pro support

**In-app purchases:** none


### 옴니스 피아노

[App page](https://appshunter.io/ios/app/id1275402888)

Find and book practice rooms with pianos, discover music performances, and connect with music teachers. This platform also features a community for sharing advanced musical information and participating in events.

**Highlights:** Practice room booking, Performance information, Lesson brokerage, Community forums, Event participation, Instrument search

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

**In-app purchases:** none


## Frequently asked questions

### Is DIMA 도서관 free?

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

### Is 옴니스 피아노 free?

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

### Do DIMA 도서관 or 옴니스 피아노 have ads?

Neither DIMA 도서관 nor 옴니스 피아노 shows ads.

### Which is updated more often, DIMA 도서관 or 옴니스 피아노?

DIMA 도서관 ships an update every 3 months, and 옴니스 피아노 every 6 weeks. Most recently, DIMA 도서관 was updated on October 30, 2026 and 옴니스 피아노 on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*