# Wallpaper Size vs ICN SMARTPASS (인천공항 스마트패스)

The clearest difference is review sentiment: Wallpaper Size at 92% against ICN SMARTPASS (인천공항 스마트패스)'s 12%. Wallpaper Size also leads on rating (4.8 vs 1.5) and update cadence (every 3 days vs every 6 weeks). ICN SMARTPASS (인천공항 스마트패스)'s advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Wallpaper Size sells 1 one-off in-app purchase. ICN SMARTPASS (인천공항 스마트패스) asks for nothing beyond the download.

Wallpaper Size holds the better App Store score, 4.8 against 1.5. That said, the two scores are not equally well evidenced: ICN SMARTPASS (인천공항 스마트패스) has 165 ratings behind it against 22, so its average is the more settled of the two. Written reviews point the same way: 92% of Wallpaper Size's written reviews are positive against 12% of ICN SMARTPASS (인천공항 스마트패스)'s.

Wallpaper Size ships an update every 3 days, ICN SMARTPASS (인천공항 스마트패스) every 6 weeks. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Wallpaper Size | ICN SMARTPASS (인천공항 스마트패스) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (22 ratings)](https://appshunter.io/ios/app/wallpaper-size/id1435499335/reviews)** | [1.5 (165 ratings)](https://appshunter.io/ios/app/icn-smartpass/id6443837919/reviews) |
| Number of ratings | 22 | **165** |
| Positive reviews | **92.5% of reviews** | 12.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 55 MB | 209 MB |
| Requires iOS | **16.4** | 16.7 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kyung Hyun Park](https://appshunter.io/developer/1303604119) | [인천국제공항공사](https://appshunter.io/developer/490515541) |

## What reviewers say

### Wallpaper Size

[App page](https://appshunter.io/ios/app/wallpaper-size/id1435499335)

This app helps you optimize wallpaper images to fit your screen perfectly, ensuring icons and time don't obscure your chosen background. It offers various tools to adjust image size, add effects like blur, and overlay elements such as calendars or barcodes.

**Highlights:** Adjust image size, Add background blur, Overlay calendar and barcode, Apply image filters, Adjust brightness and contrast, Add various visual effects, Crop image

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Erase Ads | $7.99 | one-time |


### 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


## Frequently asked questions

### Is Wallpaper Size free?

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

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

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

### Which has better reviews, Wallpaper Size or ICN SMARTPASS (인천공항 스마트패스)?

Wallpaper Size is rated higher. Wallpaper Size averages 4.8 out of 5 from 22 ratings, while ICN SMARTPASS (인천공항 스마트패스) averages 1.5 from 165 ratings.

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

Wallpaper Size shows ads; ICN SMARTPASS (인천공항 스마트패스) does not.

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

Wallpaper Size ships an update every 3 days, and ICN SMARTPASS (인천공항 스마트패스) every 6 weeks. Most recently, Wallpaper Size was updated on November 1, 2026 and ICN SMARTPASS (인천공항 스마트패스) 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.*