# DYB Window vs 통통통basic(학원용)

The clearest difference is update cadence: DYB Window at fortnightly against 통통통basic(학원용)'s every 6 months. 통통통basic(학원용)'s advantage is iOS requirement (13.0 vs 16.6). On price, review sentiment, 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.

DYB Window ships an update fortnightly, 통통통basic(학원용) every 6 months. The most recent releases landed on October 10, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | DYB Window | 통통통basic(학원용) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (20 ratings)](https://appshunter.io/ios/app/dyb-window/id6473522970/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | **49.2% of reviews** | 42.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 months |
| Monetization | Free | Free |
| Size | 57 MB | 29 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Edu Brain Co. Ltd](https://appshunter.io/developer/1719087208) | [Edu Bay Syeon Co., Ltd.](https://appshunter.io/developer/584310798) |

## What reviewers say

### 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


### 통통통basic(학원용)

[App page](https://appshunter.io/ios/app/basic-app/id6498883233)

This mobile application simplifies academy management for new directors. It handles student and class administration, attendance tracking, and payment processing. Access your academy's operations from anywhere using just your mobile device.

**Highlights:** Student management, Class management, Attendance tracking, Payment management, SMS broadcasting, Calendar-based consultation management

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

**In-app purchases:** none


## Frequently asked questions

### Is DYB Window free?

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

### Is 통통통basic(학원용) free?

통통통basic(학원용) is free to download, with no in-app purchases.

### Do DYB Window or 통통통basic(학원용) have ads?

Neither DYB Window nor 통통통basic(학원용) shows ads.

### Which is updated more often, DYB Window or 통통통basic(학원용)?

DYB Window ships an update fortnightly, and 통통통basic(학원용) every 6 months. Most recently, DYB Window was updated on October 10, 2026 and 통통통basic(학원용) on September 25, 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.*