# 인천e음 vs Salayze

The clearest difference is ads: Salayze at none against 인천e음's shown. Salayze also leads on update cadence (every 5 days vs every 3 weeks) and iOS requirement (13.0 vs 15.0). On price, 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.

인천e음 ships an update every 3 weeks, Salayze every 5 days. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 인천e음 | Salayze |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (11 ratings)](https://appshunter.io/ios/app/e/id1383589803/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 67.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 230 MB | 23 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KONA I CO., LTD](https://appshunter.io/developer/1161985923) | [Juno Choi](https://appshunter.io/developer/1896290618) |

## What reviewers say

### 인천e음

[App page](https://appshunter.io/ios/app/e/id1383589803)

This app offers a unique mobile and IC card-based electronic gift certificate for regional economic revitalization. It allows users to easily apply for, charge, and use the card at various local merchants, while also providing access to linked services and income tax benefits.

**Highlights:** Mobile and IC card electronic gift certificate, Regional economic revitalization, Linked services (taxi, delivery, shopping), Easy card application and delivery, Simple charging and balance checks, Income tax deduction benefits

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

**In-app purchases:** none


### Salayze

[App page](https://appshunter.io/ios/app/salayze/id6766448139)

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

**In-app purchases:** none


## Frequently asked questions

### Is 인천e음 free?

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

### Is Salayze free?

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

### Do 인천e음 or Salayze have ads?

인천e음 shows ads; Salayze does not.

### Which is updated more often, 인천e음 or Salayze?

인천e음 ships an update every 3 weeks, and Salayze every 5 days. Most recently, 인천e음 was updated on October 24, 2026 and Salayze on October 8, 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.*