# 은성전자 vs Auto Scroll Chords

The clearest difference is in-app purchases: 은성전자 at none against Auto Scroll Chords's 1. 은성전자 also leads on iOS requirement (15.0 vs 17.6). Auto Scroll Chords's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Auto Scroll Chords sells 1 one-off in-app purchase. 은성전자 asks for nothing beyond the download.

은성전자 ships an update every 3 months, Auto Scroll Chords every 3 weeks. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 은성전자 | Auto Scroll Chords |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 44 MB | 4 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JONGIN WON](https://appshunter.io/developer/1860476320) | [jaeyung kim](https://appshunter.io/developer/1864823166) |

## What reviewers say

### 은성전자

[App page](https://appshunter.io/ios/app/id6756403070)

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

**In-app purchases:** none


### Auto Scroll Chords

[App page](https://appshunter.io/ios/app/auto-scroll-chords/id6757780348)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifelong collection | $0.49 | one-time |


## Frequently asked questions

### Is 은성전자 free?

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

### Is Auto Scroll Chords free?

Auto Scroll Chords is free to download, with in-app purchases available.

### Do 은성전자 or Auto Scroll Chords have ads?

Neither 은성전자 nor Auto Scroll Chords shows ads.

### Which is updated more often, 은성전자 or Auto Scroll Chords?

은성전자 ships an update every 3 months, and Auto Scroll Chords every 3 weeks. Most recently, 은성전자 was updated on October 30, 2026 and Auto Scroll Chords on October 24, 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.*