# 디지털OTP vs 보안카드 뭐였지?

The clearest difference is review sentiment: 보안카드 뭐였지? at 44% against 디지털OTP's 2%. 보안카드 뭐였지? also leads on rating (4.5 vs 1.6) and update cadence (every 3 weeks vs every 4 months). 디지털OTP's advantage is in-app purchases (none vs 1). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. 보안카드 뭐였지? sells 1 one-off in-app purchase. 디지털OTP asks for nothing beyond the download.

보안카드 뭐였지? holds the better App Store score, 4.5 against 1.6. Both are backed by a comparable volume of ratings — 9 and 15 respectively. Written reviews point the same way: 2% of 디지털OTP's written reviews are positive against 44% of 보안카드 뭐였지?'s.

디지털OTP ships an update every 4 months, 보안카드 뭐였지? every 3 weeks. The most recent releases landed on October 15, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | 디지털OTP | 보안카드 뭐였지? |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.6 (9 ratings)](https://appshunter.io/ios/app/otp/id1129049090/reviews) | **[4.5 (15 ratings)](https://appshunter.io/ios/app/id1437161502/reviews)** |
| Number of ratings | 9 | **15** |
| Positive reviews | 1.9% of reviews | **44.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 45 MB | 23 MB |
| Requires iOS | 9.0 | 9.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KFTC](https://appshunter.io/developer/370391938) | [Yong-il Kim](https://appshunter.io/developer/1289103450) |

## What reviewers say

### 디지털OTP

[App page](https://appshunter.io/ios/app/otp/id1129049090)

This app provides a secure digital one-time password (OTP) service directly on your smartphone. It simplifies financial transactions by replacing physical security cards with your mobile device. Register at a participating bank to start using it for secure banking.

**Highlights:** Digital OTP generation, Secure financial transactions, Replaces physical security cards, Supports multiple banks, Face ID authentication, Push notification alerts

**In-app purchases:** none


### 보안카드 뭐였지?

[App page](https://appshunter.io/ios/app/id1437161502)

Securely manage all your security cards in one place. Access them quickly via widgets or unlock with biometrics. Data is encrypted and synced via iCloud, ensuring convenience and robust protection.

**Highlights:** Widget access, Master password protection, Biometric unlock (Touch ID/Face ID), iCloud auto-sync, AES encryption, Auto-lock after 10 seconds

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 프리미엄 등록 | $0.99 | one-time |


## Frequently asked questions

### Is 디지털OTP free?

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

### Is 보안카드 뭐였지? free?

보안카드 뭐였지? is free to download, with in-app purchases available.

### Which has better reviews, 디지털OTP or 보안카드 뭐였지??

보안카드 뭐였지? is rated higher. 디지털OTP averages 1.6 out of 5 from 9 ratings, while 보안카드 뭐였지? averages 4.5 from 15 ratings.

### Do 디지털OTP or 보안카드 뭐였지? have ads?

Neither 디지털OTP nor 보안카드 뭐였지? shows ads.

### Which is updated more often, 디지털OTP or 보안카드 뭐였지??

디지털OTP ships an update every 4 months, and 보안카드 뭐였지? every 3 weeks. Most recently, 디지털OTP was updated on October 15, 2026 and 보안카드 뭐였지? on October 21, 2026.

---

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