# 교대달력 ShiftCalendar vs 내 앱과 북

The clearest difference is review sentiment: 교대달력 ShiftCalendar at 67% against 내 앱과 북's 50%. 내 앱과 북's advantage is update cadence (every 5 days vs every 2 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

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

교대달력 ShiftCalendar ships an update every 2 weeks, 내 앱과 북 every 5 days. The most recent releases landed on June 11, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | 교대달력 ShiftCalendar | 내 앱과 북 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/shiftcalendar/id1010170381/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | **66.7% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Ad-supported | Ad-supported |
| Size | 18 MB | 157 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Park Seung Yun](https://appshunter.io/developer/526364312) | [Soft Power Co.,Ltd.](https://appshunter.io/developer/1199347267) |

## What reviewers say

### 교대달력 ShiftCalendar

[App page](https://appshunter.io/ios/app/shiftcalendar/id1010170381)

Manage your rotating work schedule with this calendar app. It allows for custom work types, displays lunar dates and holidays, and tracks accumulated overtime. Over 1000 companies are already registered.

**Highlights:** Customizable shift schedules, Lunar calendar and holidays, Overtime tracking, Company registration, Personalized work types

**Features:** macOS Compatibility

**In-app purchases:** none


### 내 앱과 북

[App page](https://appshunter.io/ios/app/id1660844862)

Explore a variety of book models and cards created in both horizontal and vertical orientations. This application allows users to view diverse designs and creative layouts.

**Highlights:** View book models, View cards, Horizontal designs, Vertical designs, Diverse layouts

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

**In-app purchases:** none


## Frequently asked questions

### Is 교대달력 ShiftCalendar free?

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

### Is 내 앱과 북 free?

내 앱과 북 is free to download, with no in-app purchases.

### Do 교대달력 ShiftCalendar or 내 앱과 북 have ads?

Both 교대달력 ShiftCalendar and 내 앱과 북 show ads.

### Which is updated more often, 교대달력 ShiftCalendar or 내 앱과 북?

교대달력 ShiftCalendar ships an update every 2 weeks, and 내 앱과 북 every 5 days. Most recently, 교대달력 ShiftCalendar was updated on June 11, 2026 and 내 앱과 북 on September 15, 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.*