# 랠리즈(Rallyz) vs 맹모 학원

The clearest difference is iOS requirement: 맹모 학원 at 13.0 against 랠리즈(Rallyz)'s 15.0. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 랠리즈(Rallyz) | 맹모 학원 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | Free | — |
| Size | 38 MB | 74 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Woongjin Compass, Co., Ltd.](https://appshunter.io/developer/393294989) | [(주)맹모](https://appshunter.io/developer/1889419638) |

## What reviewers say

### 랠리즈(Rallyz)

[App page](https://appshunter.io/ios/app/rallyz/id6443887361)

This app streamlines attendance tracking for educational institutions. Students can check in instantly using their phone's last four digits, and parents receive immediate notifications. It offers a user-friendly interface for a more efficient daily operation.

**Highlights:** Instant attendance check, Parent notifications, User-friendly interface, Free to use, Requires Rallyz institution account

**In-app purchases:** none


### 맹모 학원

[App page](https://appshunter.io/ios/app/id6450953979)

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

**In-app purchases:** none


## Frequently asked questions

### Is 랠리즈(Rallyz) free?

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

### Is 맹모 학원 free?

맹모 학원 is free to download, with no in-app purchases.

### Do 랠리즈(Rallyz) or 맹모 학원 have ads?

Neither 랠리즈(Rallyz) nor 맹모 학원 shows ads.

### Which is updated more often, 랠리즈(Rallyz) or 맹모 학원?

랠리즈(Rallyz) ships an update every 5 weeks, and 맹모 학원 every 5 weeks. Most recently, 랠리즈(Rallyz) was updated on November 3, 2026 and 맹모 학원 on October 30, 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.*