# 랠리즈(Rallyz) vs DYB Window

The clearest difference is ads: DYB Window at none against 랠리즈(Rallyz)'s shown. DYB Window also leads on monetization model (free vs free with in-app purchases) and review sentiment (49% vs 33%). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

랠리즈(Rallyz) ships an update every 5 weeks, DYB Window fortnightly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 랠리즈(Rallyz) | DYB Window |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.1 (20 ratings)](https://appshunter.io/ios/app/dyb-window/id6473522970/reviews)** |
| Number of ratings | — | **20** |
| Positive reviews | 32.7% of reviews | **49.2% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 39 MB | 57 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Woongjin Compass, Co., Ltd.](https://appshunter.io/developer/393294989) | [Edu Brain Co. Ltd](https://appshunter.io/developer/1719087208) |

## What reviewers say

### 랠리즈(Rallyz)

[App page](https://appshunter.io/ios/app/rallyz/id1605911146)

Manage all aspects of academy life, from announcements and attendance to grades and payments. Communicate with your class, track individual learning progress, and even participate in live video lessons. Experience a streamlined academy experience with this comprehensive platform.

**Highlights:** Real-time academy announcements, Attendance and grade tracking, Class-specific communication, Easy academy fee payments, Live video lessons, Personalized learning progress reports

**In-app purchases:** none


### DYB Window

[App page](https://appshunter.io/ios/app/dyb-window/id6473522970)

This app allows students to submit homework and tests, receive individual feedback, and track their learning progress. It builds a unique history of academic achievements for comprehensive performance management.

**Highlights:** Submit homework and tests, Receive individual feedback, Track learning progress, View class schedules, Check shuttle bus information, Manage retakes and supplementary lessons

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 랠리즈(Rallyz) free?

랠리즈(Rallyz) is free to download, with no in-app purchases.

### Is DYB Window free?

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

### Do 랠리즈(Rallyz) or DYB Window have ads?

랠리즈(Rallyz) shows ads; DYB Window does not.

### Which is updated more often, 랠리즈(Rallyz) or DYB Window?

랠리즈(Rallyz) ships an update every 5 weeks, and DYB Window fortnightly. Most recently, 랠리즈(Rallyz) was updated on November 3, 2026 and DYB Window on November 4, 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.*