# YBM ECC 우리 아이 바른 영어 교육 vs Poly Parents

The clearest difference is review sentiment: YBM ECC 우리 아이 바른 영어 교육 at 50% against Poly Parents's 25%. Poly Parents's advantage is update cadence (every 3 weeks vs every 3 months) and iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

YBM ECC 우리 아이 바른 영어 교육 ships an update every 3 months, Poly Parents every 3 weeks. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | YBM ECC 우리 아이 바른 영어 교육 | Poly Parents |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **50.0% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 18 MB | 90 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YBM NET, Inc.](https://appshunter.io/developer/332188969) | [Poly Inspiration, Inc.](https://appshunter.io/developer/968089723) |

## What reviewers say

### YBM ECC 우리 아이 바른 영어 교육

[App page](https://appshunter.io/ios/app/ybm-ecc/id975097836)

This app provides online after-school learning services for students enrolled in YBM ECC. It offers personalized AI-driven practice, curriculum information, academy news, and administrative details like shuttle bus routes.

**Highlights:** AI-powered adaptive learning, Mobile learning on phones and tablets, Curriculum guidance, Academy news and announcements, Shuttle bus route information, Student activity tracking

**In-app purchases:** none


### Poly Parents

[App page](https://appshunter.io/ios/app/poly-parents/id975790127)

This application provides exclusive access for parents to various educational services from Poly, a global leader in education. It offers a convenient and easy way to utilize the company's diverse offerings.

**Highlights:** Exclusive parent access, Convenient service utilization, Access to diverse educational offerings, Global education leader services

**In-app purchases:** none


## Frequently asked questions

### Is YBM ECC 우리 아이 바른 영어 교육 free?

YBM ECC 우리 아이 바른 영어 교육 is free to download, with no in-app purchases.

### Is Poly Parents free?

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

### Do YBM ECC 우리 아이 바른 영어 교육 or Poly Parents have ads?

Neither YBM ECC 우리 아이 바른 영어 교육 nor Poly Parents shows ads.

### Which is updated more often, YBM ECC 우리 아이 바른 영어 교육 or Poly Parents?

YBM ECC 우리 아이 바른 영어 교육 ships an update every 3 months, and Poly Parents every 3 weeks. Most recently, YBM ECC 우리 아이 바른 영어 교육 was updated on October 5, 2026 and Poly Parents on October 6, 2026.

---

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