# 중앙더하기(신) vs AQUA DICTIONARY

The clearest difference is update cadence: 중앙더하기(신) at every 2 weeks against AQUA DICTIONARY's every 5 weeks. 중앙더하기(신) also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, 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.

중앙더하기(신) ships an update every 2 weeks, AQUA DICTIONARY every 5 weeks. The most recent releases landed on October 9, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | 중앙더하기(신) | AQUA DICTIONARY |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 27.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | Free | — |
| Size | 16 MB | 10 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [University of Chung-Ang](https://appshunter.io/developer/524934084) | [JONGHWAN PARK](https://appshunter.io/developer/6777567314) |

## What reviewers say

### 중앙더하기(신)

[App page](https://appshunter.io/ios/app/id6748509217)

This official university app integrates essential services for students and staff. Access e-ID, attendance, shuttle bus schedules, portal information, and field training details in one place.

**Highlights:** Integrated campus services, e-ID access, Electronic attendance, Shuttle bus information, Portal access, Field training details

**Features:** Apple Watch app

**In-app purchases:** none


### AQUA DICTIONARY

[App page](https://appshunter.io/ios/app/aqua-dictionary/id6794795696)

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

**In-app purchases:** none


## Frequently asked questions

### Is 중앙더하기(신) free?

중앙더하기(신) is free to download, with no in-app purchases.

### Is AQUA DICTIONARY free?

AQUA DICTIONARY is free to download, with no in-app purchases.

### Do 중앙더하기(신) or AQUA DICTIONARY have ads?

Neither 중앙더하기(신) nor AQUA DICTIONARY shows ads.

### Which is updated more often, 중앙더하기(신) or AQUA DICTIONARY?

중앙더하기(신) ships an update every 2 weeks, and AQUA DICTIONARY every 5 weeks. Most recently, 중앙더하기(신) was updated on October 9, 2026 and AQUA DICTIONARY on October 21, 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.*