KT 스팸차단 vs Washswat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KT 스팸차단
Manage and review KT SMS/MMS spam messages. Register custom block numbers and phrases, or utilize community-ranked lists for smart filtering. Allows for whitelisting numbers and reviewing filtered messages.
- Block custom numbers
- Block custom phrases
- Community-ranked block lists
- Smart spam filtering
- Review filtered messages
- Whitelist numbers
- Address book integration
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※ 해당 어플은 KT 고객전용입니다. 타 통신사 고객께선 이용이 불가능합니다. KT 스팸차단 어플이란? 해당 어플은 설치하는 순간 스팸문자를 자동적으로 차단해주는 어플이 아닙니다. 저희 어플은 KT 부가서비스인 'KT 스팸차단서비스'로 인해 기본적으로 차단되어진 스팸문자 내역확인, 그리고 해당 어플내에서 사용자가 차단하고자하는 문구 또는 번호를 등록하여 선택적으로 차단되어진 문자 내역을 확인하는 어플입니다. KT 스팸차단서비스란? 핸드폰으로 수신되는 스팸문자를 차단해 주는 KT 무료부가 서비스입니다. 어플에서 고객님이 받고 싶지 않은 번호와 문구를 등록하시면, 해당 번호나 문구가 포함된 문자는 자동으로 필터링 됩니다. KT 스팸차단 어플에서 다음과 같은 서비스를 이용하실 수 있습니다. 1. 차단번호 - 차단을 원하는 번호를 등록하고 관리하실 수 있습니다, 또한 공통차단번호 및 이용자 랭킹을 통하여 별도 등록없이 손쉽게 차단이 가능하십니다.. 2. 차단문구 - 차단을 원하는 문구열을 등록하고 관리하실 수 있습니다. 또한, 공통차단문구 및 이용자 랭킹을 통하여 별도 등록없이 손쉽게 차단이 가능하십니다. 3. 허용번호 - 허용을 원하는 번호를 등록하고 관리하실 수 있습니다, 4. 스마트차단 - 변종문구 스팸을 차단하고, 스스로 스팸문자를 선별하여 알아서 차단해주는 지능형 스팸차단이 기능하십니다. 5. 스팸메시지 - 등록하신 차단번호/문구를 통하여 필터링된 스팸메시지를 확인하실 수 있습니다. 6. 주소록연동 - 단말내 저장된 주소록을 연동하여 해당 번호로 발신되는 메시지는 차단하지 않도록 설정이 가능하십니다. [KT 스팸차단 의 접근 권한 항목 및 필요 사유] 1. 필수적 접근 권한 # 사진 권한 (이미지저장) 1.차단 된 스팸 이미지를 단말에 저장 시 활용 2. 선택적 접근권한 # 연락처 권한 (연락처정보) 1.주소록을 동기화 하기 위해 활용 2.친구들에게 추천 시 주소록을 가져오기 위해 활용 * 선택적 접근권한의 허용에는 동의하지 않아도 서비스의 이용이 가능합니다.
Washswat
This app provides a top-rated dry-cleaning and laundry service. It offers convenient solutions for garment care, making it the leading choice in Korea.
- Dry-cleaning services
- Laundry services
- Garment care solutions
- Convenient pickup and delivery
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● Contactless pickup and delivery, ready in a second at your door Just place an order in the app and leave your laundry at your door. You can follow every step from pickup to delivery in real time, so you can hand it over without worrying about loss or damage. ● Experts inspect your laundry in person and share a care report Every item is checked in person by a skilled expert. We look for stains, lint, and damaged spots, mark them with photos, and recommend the right washing method for each piece in a report. You can see exactly how it was washed and how it turned out, with nothing hidden. ● No surprise charges, just the care you choose We suggest only the care your laundry really needs, and you decide whether to go ahead. Whether protecting the fabric or removing a stain matters more, the choice of washing method is yours. ● Check an AI estimate before you hand it over Take a photo of your laundry with the camera to see the expected cost in advance. There's no guessing about the price, so you can review a clear estimate before you send anything. ● Premium restoration care backed by professional know-how Bring your favorite clothes back to life with premium care that goes through a professional process. If you have a treasured piece you're worried about, you can leave it to Washswat with confidence. ● App access permissions These permissions help you use Washswat more comfortably. We're providing this notice in accordance with Article 22-2 (Consent to Access Authority) of the Act on Promotion of Information and Communications Network Utilization and Information Protection, etc. [Optional permissions] Notifications: to let you know about pickup, delivery, and washing progress Camera: to photograph your laundry with the AI lens and check its type and condition Photos and media: to upload laundry photos and attach or review your requests You can still use the rest of the service even if you don't allow the optional permissions. Only those specific features will be limited. You can change permissions anytime in Settings > Apps > Washswat > Permissions. ● We're always here to help 1:1 chat support: every day, 7AM to 8PM Phone support: weekdays, 9AM to 6PM (lunch 12PM to 1PM) Customer center: 1566-5892 KakaoTalk channel: @세탁특공대 Closed on Lunar New Year's Day and Chuseok
Screenshots
Verdict
The clearest difference is review sentiment: Washswat at 94% against KT 스팸차단's 22%. Washswat also leads on rating (4.7 vs 4.1) and update cadence (every 4 weeks vs every 5 months). On price, ratings volume, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Washswat holds the better App Store score, 4.7 against 4.1. Both are backed by a comparable volume of ratings — 135 and 373 respectively. Written reviews point the same way: 22% of KT 스팸차단's written reviews are positive against 94% of Washswat's.
KT 스팸차단 ships an update every 5 months, Washswat every 4 weeks. Both last shipped on October 26, 2026.
| Parameter | KT 스팸차단 | Washswat |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (135 ratings) | 4.7 (373 ratings) — better |
| Positive reviews | 21.9% of reviews | 93.7% of reviews — better |
| Number of ratings | 135 | 373 — better |
| Update frequency | Every 5 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 12 MB | 114 MB |
| Age rating | 4+ | 4+ |
| Developer | KT Corporation | (주)워시스왓 |
Customer experience
KT 스팸차단
Washswat
Bugs and requests
KT 스팸차단
Not enough reviews yet to summarise bugs or requests.
Washswat
Reported bugs
2 issues- Login and authentication problems for some users
- Inconsistent app performance on older devices
Requested features
3 requests- Expanded pickup and delivery time options
- More customization for specialized cleaning requests
- Improved communication on status updates
In-app purchases
KT 스팸차단
No in-app purchases
Washswat
No in-app purchases








