# YBM 스마트 연수원 vs DNA Viewer

The clearest difference is price: YBM 스마트 연수원 at Free against DNA Viewer's $4.99. DNA Viewer's advantage is update cadence (every 2 days vs every 2 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

YBM 스마트 연수원 is free to download; DNA Viewer costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

YBM 스마트 연수원 ships an update every 2 months, DNA Viewer every 2 days. The most recent releases landed on November 1, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | YBM 스마트 연수원 | DNA Viewer |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 54 MB | 4 MB |
| Requires iOS | **14.3** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [YBM NET, Inc.](https://appshunter.io/developer/332188969) | [JONG HYUN LEE](https://appshunter.io/developer/1739037759) |

## What reviewers say

### YBM 스마트 연수원

[App page](https://appshunter.io/ios/app/ybm/id401557589)

Access lectures anytime, anywhere with mobile course support. Track attendance, progress, and course schedules, and even enroll in new courses. Download videos for unlimited listening within the education period.

**Highlights:** Mobile lecture access, Attendance and progress tracking, Course enrollment, Video download for offline listening, 1:1 customer support, Free learning content

**In-app purchases:** none


### DNA Viewer

[App page](https://appshunter.io/ios/app/dna-viewer/id6754238579)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is YBM 스마트 연수원 free?

YBM 스마트 연수원 is free to download, with no in-app purchases.

### Is DNA Viewer free?

DNA Viewer costs $4.99, with no in-app purchases.

### Do YBM 스마트 연수원 or DNA Viewer have ads?

Neither YBM 스마트 연수원 nor DNA Viewer shows ads.

### Which is updated more often, YBM 스마트 연수원 or DNA Viewer?

YBM 스마트 연수원 ships an update every 2 months, and DNA Viewer every 2 days. Most recently, YBM 스마트 연수원 was updated on November 1, 2026 and DNA Viewer on November 9, 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.*