# 잘키(키즈런) vs Poly Campus

잘키(키즈런) and Poly Campus are too close to call on the numbers: across 7 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

잘키(키즈런) ships an update every 5 weeks, Poly Campus monthly. The most recent releases landed on October 27, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 잘키(키즈런) | Poly Campus |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free | Free |
| Size | 22 MB | 49 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [(주)잘큼](https://appshunter.io/developer/1513247271) | [Poly Inspiration, Inc.](https://appshunter.io/developer/968089723) |

## What reviewers say

### 잘키(키즈런)

[App page](https://appshunter.io/ios/app/id1513247272)

This app offers a variety of performance-based activities for children at different locations, including races and museum exhibits. Parents can purchase passes and make reservations directly through the app, and receive photos and videos of their child's participation.

**Highlights:** Diverse performance concepts, Multiple event locations, In-app pass purchase, Easy reservation system, Photos and videos of participation

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

**In-app purchases:** none


### Poly Campus

[App page](https://appshunter.io/ios/app/poly-campus/id1579004505)

This application is designed exclusively for educators at Poly Language Academy. It facilitates convenient educational services for student support and management, including managing notices, real-time communication, and checking schedules and class information.

**Highlights:** Student learning support, Student management, Notice management, Real-time communication, Schedule and class information

**In-app purchases:** none


## Frequently asked questions

### Is 잘키(키즈런) free?

잘키(키즈런) is free to download, with no in-app purchases.

### Is Poly Campus free?

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

### Do 잘키(키즈런) or Poly Campus have ads?

Neither 잘키(키즈런) nor Poly Campus shows ads.

### Which is updated more often, 잘키(키즈런) or Poly Campus?

잘키(키즈런) ships an update every 5 weeks, and Poly Campus monthly. Most recently, 잘키(키즈런) was updated on October 27, 2026 and Poly Campus on November 3, 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.*