# SIREN24 아이핀(마이핀) vs CBCD 2024

The clearest difference is update cadence: SIREN24 아이핀(마이핀) at every 2 months against CBCD 2024's every 8 months. CBCD 2024's advantage is iOS requirement (11.2 vs 13.0). 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.

SIREN24 아이핀(마이핀) ships an update every 2 months, CBCD 2024 every 8 months. The most recent releases landed on October 17, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SIREN24 아이핀(마이핀) | CBCD 2024 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.2 (507 ratings)](https://appshunter.io/ios/app/siren24/id960609828/reviews)** | — |
| Number of ratings | **507** | — |
| Positive reviews | 5.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | Free | — |
| Size | 89 MB | 32 MB |
| Requires iOS | 13.0 | **11.2** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | +4 |
| Developer | [Seoul Credit Rating & Information Inc.](https://appshunter.io/developer/479851069) | [MAKADU TECNOLOGIA DE INFORMACAO LTDA](https://appshunter.io/developer/1144302148) |

## What reviewers say

### SIREN24 아이핀(마이핀)

[App page](https://appshunter.io/ios/app/siren24/id960609828)

This app provides secure and convenient access to i-PIN and My-PIN services. It offers real-time authentication alerts, allows for i-PIN/My-PIN lookup and changes, and supports secondary authentication methods like OTP and QR codes for easy management.

**Highlights:** i-PIN management (issue, revoke, history), My-PIN management (issue, revoke, history), Real-time authentication alerts, Secondary authentication setup (OTP, QR), QR code simple authentication

**Features:** macOS Compatibility

**In-app purchases:** none


### CBCD 2024

[App page](https://appshunter.io/ios/app/cbcd-2024/id1509006980)

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

**In-app purchases:** none


## Frequently asked questions

### Is SIREN24 아이핀(마이핀) free?

SIREN24 아이핀(마이핀) is free to download, with no in-app purchases.

### Is CBCD 2024 free?

CBCD 2024 is free to download, with no in-app purchases.

### Do SIREN24 아이핀(마이핀) or CBCD 2024 have ads?

Neither SIREN24 아이핀(마이핀) nor CBCD 2024 shows ads.

### Which is updated more often, SIREN24 아이핀(마이핀) or CBCD 2024?

SIREN24 아이핀(마이핀) ships an update every 2 months, and CBCD 2024 every 8 months. Most recently, SIREN24 아이핀(마이핀) was updated on October 17, 2026 and CBCD 2024 on October 10, 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.*