# oitalk vs tcall교원안심번호

The clearest difference is review sentiment: oitalk at 20% against tcall교원안심번호's 0%. tcall교원안심번호's advantage is monetization model (free vs ad-supported). On price, update cadence, ads and in-app purchases there is nothing between them.

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

oitalk ships an update every 3 weeks, tcall교원안심번호 fortnightly. The most recent releases landed on September 30, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | oitalk | tcall교원안심번호 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **20.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Ad-supported | **Free** |
| Size | 319 MB | 8 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [G.N.Talk](https://appshunter.io/developer/1066639030) | [yang minjong](https://appshunter.io/developer/1554022510) |

## What reviewers say

### oitalk

[App page](https://appshunter.io/ios/app/oitalk/id1080240167)

This app offers a secure communication platform for companies and groups, featuring notices, schedules, and dedicated chat rooms. It also provides personal chat functions for friends and family, with options for volatile messages and multimedia sharing.

**Highlights:** Company and group communication, Notices, schedules, and bulletin boards, Dedicated organization chat rooms, 1:1 and group personal chats, Multimedia file sharing, Privacy and live chat options

**Features:** macOS Compatibility

**In-app purchases:** none


### tcall교원안심번호

[App page](https://appshunter.io/ios/app/tcall/id1554022508)

Facilitates communication between teachers and parents/students through posts, comments, SMS, and calls. Requires registration with the "New Teacher Safe Number" service to use.

**Highlights:** Class bulletin board, Send calls/SMS, Push notifications, Post and comment functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is oitalk free?

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

### Is tcall교원안심번호 free?

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

### Do oitalk or tcall교원안심번호 have ads?

Neither oitalk nor tcall교원안심번호 shows ads.

### Which is updated more often, oitalk or tcall교원안심번호?

oitalk ships an update every 3 weeks, and tcall교원안심번호 fortnightly. Most recently, oitalk was updated on September 30, 2026 and tcall교원안심번호 on September 29, 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.*