# 백석대학교 스마트출결 교수용 vs 산안산기

The clearest difference is ads: 백석대학교 스마트출결 교수용 at none against 산안산기's shown. 백석대학교 스마트출결 교수용 also leads on update cadence (weekly vs monthly) and iOS requirement (12.0 vs 15.1). 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.

백석대학교 스마트출결 교수용 ships an update weekly, 산안산기 monthly. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 백석대학교 스마트출결 교수용 | 산안산기 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 23 MB | 74 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sitin co.,Ltd.](https://appshunter.io/developer/1806224193) | [dasong sim](https://appshunter.io/developer/1883683802) |

## What reviewers say

### 백석대학교 스마트출결 교수용

[App page](https://appshunter.io/ios/app/id1596308403)

**In-app purchases:** none


### 산안산기

[App page](https://appshunter.io/ios/app/id6790620473)

This app helps users prepare for the Industrial Safety Engineer exam. It focuses on personalized review using an AI-based algorithm to identify weak areas and schedule optimal review times. Features include practice tests, detailed explanations, and progress tracking.

**Highlights:** AI-powered smart review algorithm (FSRS), Comprehensive practice questions and detailed explanations, Personalized weak point analysis and targeted practice, Mock exams simulating real test conditions, Progress tracking and study statistics, Customizable study plans and daily goals, Offline study modes and device synchronization

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

**In-app purchases:** none


## Frequently asked questions

### Is 백석대학교 스마트출결 교수용 free?

백석대학교 스마트출결 교수용 is free to download, with no in-app purchases.

### Is 산안산기 free?

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

### Do 백석대학교 스마트출결 교수용 or 산안산기 have ads?

산안산기 shows ads; 백석대학교 스마트출결 교수용 does not.

### Which is updated more often, 백석대학교 스마트출결 교수용 or 산안산기?

백석대학교 스마트출결 교수용 ships an update weekly, and 산안산기 monthly. Most recently, 백석대학교 스마트출결 교수용 was updated on October 27, 2026 and 산안산기 on October 31, 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.*