# 비즈캘린더 vs OfficeCoreTalk

비즈캘린더 and OfficeCoreTalk both sit at 5.0 stars, but that hides the real split: 95% of 비즈캘린더's written reviews are positive against 50% of OfficeCoreTalk's. 비즈캘린더 also leads on iOS requirement (11.0 vs 15.0). OfficeCoreTalk's advantage is update cadence (monthly vs every 3 months). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for 비즈캘린더 against 5.0 for OfficeCoreTalk. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 95% of 비즈캘린더's written reviews are positive against 50% of OfficeCoreTalk's.

비즈캘린더 ships an update every 3 months, OfficeCoreTalk monthly. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 비즈캘린더 | OfficeCoreTalk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/id974447390/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/officecoretalk/id1326809715/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | **95.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | Free |
| Size | 20 MB | 32 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [비즈플레이(주)](https://appshunter.io/developer/1056025365) | [ITCrew](https://appshunter.io/developer/1011692252) |

## What reviewers say

### 비즈캘린더

[App page](https://appshunter.io/ios/app/id974447390)

Easily share and manage business schedules with team members, clients, and partners. Separate work calendars from personal ones and gain a clear overview of team availability for efficient meeting coordination.

**Highlights:** Share calendars with team, clients, and partners, Separate work and personal calendars, Easily check team member schedules, Efficient meeting time management, Share schedules via phone number, Notify shared contacts with a single touch, Create group calendars for team overview, Color-coded schedule management

**Features:** Vision Pro support

**In-app purchases:** none


### OfficeCoreTalk

[App page](https://appshunter.io/ios/app/officecoretalk/id1326809715)

This mobile tool facilitates seamless real-time communication and collaboration among enterprise members anytime, anywhere. It offers the full functionality of a PC messenger within a mobile environment, ensuring an integrated communication channel across devices.

**Highlights:** Real-time communication, Seamless collaboration, PC messenger functionality on mobile, Integrated communication channel, Company directory, Group and 1:1 chats, Message notifications

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 비즈캘린더 free?

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

### Is OfficeCoreTalk free?

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

### Which has better reviews, 비즈캘린더 or OfficeCoreTalk?

비즈캘린더 and OfficeCoreTalk are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do 비즈캘린더 or OfficeCoreTalk have ads?

Neither 비즈캘린더 nor OfficeCoreTalk shows ads.

### Which is updated more often, 비즈캘린더 or OfficeCoreTalk?

비즈캘린더 ships an update every 3 months, and OfficeCoreTalk monthly. Most recently, 비즈캘린더 was updated on October 12, 2026 and OfficeCoreTalk on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*