# tcall교원안심번호 vs 녹색어머니중앙회

The clearest difference is update cadence: tcall교원안심번호 at fortnightly against 녹색어머니중앙회's every 2 months. tcall교원안심번호 also leads on iOS requirement (13.0 vs 18.0). On price, ads, 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.

tcall교원안심번호 ships an update fortnightly, 녹색어머니중앙회 every 2 months. The most recent releases landed on October 14, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | tcall교원안심번호 | 녹색어머니중앙회 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | — |
| Size | 8 MB | 4 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [yang minjong](https://appshunter.io/developer/1554022510) | [Seung Jun Woo](https://appshunter.io/developer/1477491807) |

## What reviewers say

### 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


### 녹색어머니중앙회

[App page](https://appshunter.io/ios/app/id6748849214)

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

**In-app purchases:** none


## Frequently asked questions

### Is tcall교원안심번호 free?

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

### Is 녹색어머니중앙회 free?

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

### Do tcall교원안심번호 or 녹색어머니중앙회 have ads?

Neither tcall교원안심번호 nor 녹색어머니중앙회 shows ads.

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

tcall교원안심번호 ships an update fortnightly, and 녹색어머니중앙회 every 2 months. Most recently, tcall교원안심번호 was updated on October 14, 2026 and 녹색어머니중앙회 on October 17, 2026.

---

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