# 충남대학교 모바일 출입증 vs Lock Screen Calendar

The clearest difference is review sentiment: Lock Screen Calendar at 88% against 충남대학교 모바일 출입증's 20%. 충남대학교 모바일 출입증's advantage is in-app purchases (none vs 6) and iOS requirement (13.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Lock Screen Calendar sells 6 in-app purchases, starting at $1.99 per month. 충남대학교 모바일 출입증 asks for nothing beyond the download.

충남대학교 모바일 출입증 ships an update every 2 days, Lock Screen Calendar every 3 days. The most recent releases landed on June 1, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | 충남대학교 모바일 출입증 | Lock Screen Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (18 ratings)](https://appshunter.io/ios/app/lock-screen-calendar-coretask/id6478839577/reviews)** |
| Number of ratings | — | **18** |
| Positive reviews | 20.0% of reviews | **87.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 19 MB | 81 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chungnam National University](https://appshunter.io/developer/1535887993) | [Gridus Co.](https://appshunter.io/developer/1636121761) |

## What reviewers say

### 충남대학교 모바일 출입증

[App page](https://appshunter.io/ios/app/id6478573108)

This app allows Chungnam National University students and staff to use their mobile devices as access cards for campus facilities. It provides a convenient digital alternative to physical ID cards for entry.

**Highlights:** Digital access card functionality, Campus facility entry, Mobile alternative to physical cards, For students and staff

**Features:** macOS Compatibility

**In-app purchases:** none


### Lock Screen Calendar

[App page](https://appshunter.io/ios/app/lock-screen-calendar-coretask/id6478839577)

This app helps you manage your time and overcome procrastination by organizing tasks based on importance and urgency. It offers a focus timer to help you complete tasks efficiently and reduce stress.

**Highlights:** Priority setting by importance and urgency, Step-by-step task organization, Time allocation for tasks, Focus timer for task completion, Stress reduction and productivity boost

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $1.99 | per month |
| Monthly Plan | $4.49 | per month |
| Weekly Plan | $4.49 | per 7 days |
| Annual Plan | $29.99 | per year |
| Lifetime Plan | $29.99 | one-time |
| Lifetime Access | $39.99 | one-time |


## Frequently asked questions

### Is 충남대학교 모바일 출입증 free?

충남대학교 모바일 출입증 is free to download, with no in-app purchases.

### Is Lock Screen Calendar free?

Lock Screen Calendar is free to download, with in-app purchases available.

### Do 충남대학교 모바일 출입증 or Lock Screen Calendar have ads?

Neither 충남대학교 모바일 출입증 nor Lock Screen Calendar shows ads.

### Which is updated more often, 충남대학교 모바일 출입증 or Lock Screen Calendar?

충남대학교 모바일 출입증 ships an update every 2 days, and Lock Screen Calendar every 3 days. Most recently, 충남대학교 모바일 출입증 was updated on June 1, 2026 and Lock Screen Calendar on September 24, 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.*