# DIMA 도서관 vs HOWONHub

The clearest difference is ads: DIMA 도서관 at none against HOWONHub's shown. HOWONHub's advantage is update cadence (every 5 weeks vs every 3 months) and iOS requirement (12.0 vs 15.6). On price, in-app purchases and device support there is nothing between them.

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

DIMA 도서관 ships an update every 3 months, HOWONHub every 5 weeks. The most recent releases landed on September 15, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | DIMA 도서관 | HOWONHub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (2 ratings)](https://appshunter.io/ios/app/howonhub/id1487577577/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 9.1% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | — | Ad-supported |
| Size | 40 MB | 15 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [LibTech Co.](https://appshunter.io/developer/1099043485) | [Knowledge Tech](https://appshunter.io/developer/1231338878) |

## What reviewers say

### DIMA 도서관

[App page](https://appshunter.io/ios/app/dima/id578482660)

**In-app purchases:** none


### HOWONHub

[App page](https://appshunter.io/ios/app/howonhub/id1487577577)

This app facilitates group communication and information sharing. Users can post messages visible to all group members or specific individuals, attach various file types, and search for shared resources. It also includes features for member management and attendance tracking.

**Highlights:** Group posts visible to all members, Attach photos, videos, and files, View group member profiles, Search for shared resources, Attendance tracking, Mobile sign-up and profile editing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DIMA 도서관 free?

DIMA 도서관 is free to download, with no in-app purchases.

### Is HOWONHub free?

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

### Do DIMA 도서관 or HOWONHub have ads?

HOWONHub shows ads; DIMA 도서관 does not.

### Which is updated more often, DIMA 도서관 or HOWONHub?

DIMA 도서관 ships an update every 3 months, and HOWONHub every 5 weeks. Most recently, DIMA 도서관 was updated on September 15, 2026 and HOWONHub on September 6, 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.*