KeyLinker vs 아차 충전 !
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KeyLinker
Customize and enhance your controller experience with this utility app. Modify parameters for keys, lighting, vibration, and more to suit your personal preferences. Enjoy a more personalized and responsive gaming setup.
- Modify key parameters
- Customize lamplight settings
- Adjust vibration feedback
- Configure joystick and trigger
- Simultaneous device connection
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This app is used by handles that support keylinker protocol, which can be set to modify the parameters of more than ten functions of the handle, such as keys, lamplight, vibrations, joystick and trigger. Users can modify the parameters of the handle according to their habits. The flexible parameter settings greatly enhance the handle experience.The handle can be connected to this app and other equipment at the same time, and can be used at the same time
아차 충전 !
Easily monitor your controller's battery level while gaming. Avoid interruptions due to low battery and enjoy a seamless gameplay experience. Offers both free and premium features for enhanced convenience.
- Check controller battery in-app
- Receive battery notifications
- Monitor while using other apps
- Subscription options available
- Automatic renewal
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컨트롤러를 사용하면서 배터리 확인이 불편하셨던 경험이 있나요 ? 배터리를 확인 못해 게임 플레이를 원할하게 못한 경험이 있나요 ? 이제 아차 충전 ! 으로 편하게 게임을 즐겨주세요 ! [무료기능] ◼ 컨트롤러 연결 후 앱 내에서 컨트롤러 배터리 확인 [유료기능] ◼ 컨트롤러 연결 시, 다른 앱을 사용하면서 노티 기능을 통해 컨트롤러 배터리 확인 가능 구매 확인 시 결제는 애플 ID 계정에 청구됩니다. 구독은 현재 기간이 종료되기 적어도 24시간 전에 취소하지않으면 자동으로 갱신됩니다. 구독은 현재 기간이 종료되기 24시간 이내에 갱신으로 청구됩니다. 구독 후 앱스토어 계정 설정에서 구독을 관리하고 취소할 수 있습니다. 자동 갱신 구독 기능 ◼ 1주일 (₩1,400), 1개월 (₩4,300) 그리고 1년 (₩45,000) ◼ 1주일 ($0.99), 1개월 ($2.99) 그리고 1년 ($29.99) ◼ 개인 정보 보호 정책 및 이용 약관: https://voracious-pigment-aaf.notion.site/30f23504cad7456e9472ac959c3e95b8?pvs=4
Screenshots
Verdict
The clearest difference is rating: 아차 충전 ! at 5.0 against KeyLinker's 2.3. 아차 충전 ! also leads on update cadence (fortnightly vs every 2 months). KeyLinker's advantage is in-app purchases (none vs 3) and ratings volume (49 vs 2). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. 아차 충전 ! sells 3 in-app purchases, starting at $0.99 per 7 days. KeyLinker asks for nothing beyond the download.
아차 충전 ! holds the better App Store score, 5.0 against 2.3. That said, the two scores are not equally well evidenced: KeyLinker has 49 ratings behind it against 2, so its average is the more settled of the two.
KeyLinker ships an update every 2 months, 아차 충전 ! fortnightly. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.
| Parameter | KeyLinker | 아차 충전 ! |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (49 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 30.2% of reviews | — |
| Number of ratings | 49 — better | 2 |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 38 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | ShenZhen ZhiXu Technology Co., Ltd | Dongyeong Kang |
Customer experience
KeyLinker
아차 충전 !
In-app purchases
KeyLinker
No in-app purchases
아차 충전 !
- 아차 충전 ! 프리미엄 스탠다드$0.997 Days
- 아차 충전 ! 프리미엄 스탠다드$2.991 Month
- 아차 충전 ! 프리미엄 스탠다드$29.991 Year
