# ICN SMARTPASS (인천공항 스마트패스) vs Waa Waa

The clearest difference is in-app purchases: ICN SMARTPASS (인천공항 스마트패스) at none against Waa Waa's 1. Waa Waa's advantage is review sentiment (43% vs 12%) and update cadence (every 2 days vs every 6 weeks). On price and ads there is nothing between them.

Both are free to download. Waa Waa sells 1 in-app purchase, starting at $0.99 per month. ICN SMARTPASS (인천공항 스마트패스) asks for nothing beyond the download.

ICN SMARTPASS (인천공항 스마트패스) ships an update every 6 weeks, Waa Waa every 2 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | ICN SMARTPASS (인천공항 스마트패스) | Waa Waa |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (165 ratings)](https://appshunter.io/ios/app/icn-smartpass/id6443837919/reviews)** | — |
| Number of ratings | **165** | — |
| Positive reviews | 12.1% of reviews | **42.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Monetization | **Free** | Freemium |
| Size | 209 MB | 59 MB |
| Requires iOS | 16.7 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [인천국제공항공사](https://appshunter.io/developer/490515541) | [1tier](https://appshunter.io/developer/1758267913) |

## What reviewers say

### ICN SMARTPASS (인천공항 스마트패스)

[App page](https://appshunter.io/ios/app/icn-smartpass/id6443837919)

Register your Smart Pass ID and use the airport with facial recognition. Once registered with your passport and face, it's usable for 5 years with robust security features. Supports mobile and paper boarding passes, with upcoming reservation services.

**Highlights:** Facial recognition airport access, 5-year registration validity, Passport and face registration, Secure authentication (anti-forgery, liveness), Mobile and paper boarding pass support, Upcoming reservation services

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ⭐ Works well with iPhone 11 Pro Max
- ✅ Passport chip scanning successful for some users
- 🔑 Helpful tips for scanning US passports

**What reviewers complain about**

- 🚫 Passport chip scanning failure for many users
- 🤯 Difficult and confusing to use
- 🐞 Frequent crashes and bugs
- 🙅‍♀️ Doesn't work with non-Korean passports/boarding passes

**Reported bugs**

- Passport chip scanning not working
- Boarding pass QR code not recognized
- Registration and verification process issues

**Requested features**

- Manual passport information entry option
- Better instructions and guidance for users
- Support for more passport types and boarding pass formats


### Waa Waa

[App page](https://appshunter.io/ios/app/waa-waa/id6752776912)

Understand your baby's needs with AI-powered cry analysis. This app interprets emotions in your baby's cries in real-time, offering insights into their feelings and needs. Track crying patterns and manage baby profiles for a deeper connection.

**Highlights:** Real-time cry analysis, Video & audio file analysis, Cry pattern statistics, Baby profile management, AI-powered emotional insights, Growth milestone logging

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan (No Ads) | $0.99 | per month |


## Frequently asked questions

### Is ICN SMARTPASS (인천공항 스마트패스) free?

ICN SMARTPASS (인천공항 스마트패스) is free to download, with no in-app purchases.

### Is Waa Waa free?

Waa Waa is free to download, with in-app purchases available.

### Do ICN SMARTPASS (인천공항 스마트패스) or Waa Waa have ads?

Neither ICN SMARTPASS (인천공항 스마트패스) nor Waa Waa shows ads.

### Which is updated more often, ICN SMARTPASS (인천공항 스마트패스) or Waa Waa?

ICN SMARTPASS (인천공항 스마트패스) ships an update every 6 weeks, and Waa Waa every 2 days. Most recently, ICN SMARTPASS (인천공항 스마트패스) was updated on October 30, 2026 and Waa Waa on October 30, 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.*