If you tap, an expert will answer! The moment you need help, you can receive a variety of services from proven experts, including lessons, moving, cleaning, and interior design!

Latest Version

Version
Update
Jun 14, 2025
Developer
Category
Google Play ID
Installs
500+

App APKs

똑똑 - 검증된 전문가 매칭 플랫폼 APP

■ Knock - Find an expert when you need help (lessons, moving, cleaning, interior design, etc.)
- When you select the service you want and fill out a request card, you will receive a quote card sent by experts who meet the conditions you set.
- Compare the various quote cards that have arrived to you and meet a custom expert.

■ Over 100 different service categories
- You can meet various service experts in a total of 8 main categories, from lessons, moving/cleaning, interior design, installation/repair to outsourcing, law, finance, and wedding.

■ Self-verified and trustworthy expert
- At Smart, only experts who have been thoroughly verified through a strict review of business registration and certification, elimination of low-rated experts, and review management process can work.

■ Expert profile at a glance
- You can find out the information of the expert who sent you the quote card, including introduction photo, detailed information, services provided, service area, experience, and qualifications.
- You can see reviews and ratings from customers who actually received services from experts.
- With a portfolio, you can preview the service results and costs of the expert's work.

■ Service request card completed with a few clicks
- You can complete the request card by selecting the service you need and answering a few questions.
- Experts send quote cards after looking at the request card I registered. Afterwards, all you have to do is select a professional to entrust the service to.

■ Chat with experts with peace of mind
- Your number will not be exposed to experts until you decide on the expert who will provide the service and make an 'expert reservation'.
- Consult with experts from schedule coordination to reservation process with confidence.

[Information on optional access rights]
- Camera: Used to take pictures when filling out a service request card, writing a review, or chatting.
- Photo: Used to attach a photo when filling out a service request card, writing a review, or chatting.
- Notification: Used to receive notification of the arrival of a quote card and notification of major notices.

* You can use the service even if you do not agree to the optional access rights.
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