v vs DYB Window
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
v
Engage in 1:1 learning sessions with a virtual teacher. Receive personalized feedback on your answers, earn points for completing activities, and track your progress through a connected learning portal. This app encourages self-directed learning with positive reinforcement.
- 1:1 virtual teacher interaction
- Personalized feedback on answers
- Points awarded for learning activities
- Syncs with PC version
- Connects to Learning Portal for grades
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You can enjoy learning through 1:1 interaction with aa Virtual Teacher. You can listen to the Virtual Teacher's explanations to better understand the topic and key content before the class begins. If you answer the teacher's questions correctly, the teacher will praise you, and if you get it wrong, you'll be encouraged to try again, fostering self-directed learning. * Main Features of the v-Class App: - Syncs with the PC version - Provides feedback on correct and incorrect answers from the Virtual Teacher - Points are awarded upon completing learning activities - Connects with the Learning Portal (allows for checking grades) ▶ Access Permission Notice All data permissions are collected solely for app usage. [Required Access Permissions] - Device and app records: Accessed to check the app version. - Storage: Accessed to save learning progress and problem-solving data. - Microphone: Accessed for recording during learning activities. - Network and WiFi connection: Accessed for optimizing app usage and checking network connections. *Permissions can be modified in each device's settings > Privacy Protection > Permissions.
DYB Window
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.
- Submit homework and tests
- Receive individual feedback
- Track learning progress
- View class schedules
- Check shuttle bus information
- Manage retakes and supplementary lessons
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"DYB Window" 앱을 통해 학생들은 숙제와 테스트를 확인하고 제출할 수 있으며, 개별 Feedback을 받게 됩니다. 또한, 모든 학습 성과 Data를 플랫폼에 축적하고 학생 개별 고유의 history를 생성해 종합적인 학습 성과를 관리합니다. [DYB Window의 주요 기능] ① 학습과제 제출 ② 수업일지 확인 ③ 수업시간 확인 ④ 클래스 확인 ⑤ 셔틀버스 확인 ⑥ 재시험 및 보충 확인
Screenshots
Verdict
The clearest difference is review sentiment: DYB Window at 49% against v's 0%. DYB Window also leads on rating (3.3 vs 2.3). v's advantage is iOS requirement (11.0 vs 16.6). On price, ratings volume, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
DYB Window holds the better App Store score, 3.3 against 2.3. Both are backed by a comparable volume of ratings — 7 and 20 respectively. Written reviews point the same way: 0% of v's written reviews are positive against 49% of DYB Window's.
v ships an update every 3 weeks, DYB Window fortnightly. The most recent releases landed on June 3, 2026 and September 26, 2026 respectively.
| Parameter | v | DYB Window |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (7 ratings) | 3.3 (20 ratings) — better |
| Positive reviews | 0.0% of reviews | 49.2% of reviews — better |
| Number of ratings | 7 | 20 — better |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 11.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 166 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | CREVERSE, Inc. | Edu Brain Co. Ltd |
Customer experience
v
DYB Window
In-app purchases
v
No in-app purchases
DYB Window
No in-app purchases
