Trost
1 known investors
Trost operates a Korean mental-health and psychological counseling app offering 24-hour non-face-to-face counseling, free psychological self-assessments, meditation, and sleep/healing audio content. It also runs a mental-care community and publishes expert mental-health columns for individuals seeking emotional support.
Also known as Trost · 트로스트
Investors · 1
Company profile
researched Aug 2026Trost (트로스트) is a South Korean mental-health service delivered through a mobile app and website. Its core offering is 1:1 psychological counseling with certified professional counselors, which users can book by chat, phone, video or in-person session at a time of their choosing, and which the service positions as available around the clock without face-to-face contact. Counselor profiles are supported by introductory videos and satisfaction ratings, and the service also helps users locate nearby counseling centers.
Alongside paid counseling, the app provides free psychological self-assessments covering depression, self-esteem, MBTI-linked depression and job stress, an AI chatbot ("TT") for mind management, an emotion diary and "emotion scanner," mental reports, and a daily routine feature. A sound-therapy library groups sleep, ASMR and meditation audio, including narrated Korean and Western classic literature and ambient soundscapes. The website additionally hosts a mental-care community where users post personal concerns and receive comments, expert columns written by Trost counselors on topics such as PTSD flashbacks, stress and TCI temperament-test interpretation, daily quotation and Bible-verse content, and pages on psychiatric medication. Usage is anonymous, with users identified only by nickname. The Android listing is published by Dain Co. Ltd., based at 149 Dosan-daero, Gangnam-gu, Seoul.
Business model
Trost distributes a free consumer app that monetizes through in-app purchases, principally paid 1:1 sessions with professional counselors, while free psychological tests, community access, sound therapy and expert columns serve as no-cost entry points. The website also promotes a corporate mental-care program (an employee assistance program marketed as 넛지EAP), indicating a business-to-business channel alongside the consumer offering.
Traction
The Google Play listing shows over 100,000 downloads and continued maintenance releases, with an update recorded on 2026-08-09. The website shows an active community with popular posts drawing double-digit comment counts and quotation content accumulating hundreds to over 999 reactions per item.
▸Full profile — market position, technology, go-to-market, geography
Market position
The company's own site describes Trost as Korea's leading psychological counseling and mental-care app, and the service reports counselor satisfaction ratings above 4.7. Its Android app records more than 100,000 downloads.
Technology
The service is delivered as an Android (and web) application supporting chat, phone and video counseling sessions. It includes an AI chatbot for guided self-reflection, automated psychological self-assessment instruments with scored results, an emotion diary and emotion-scanning features producing mental reports, and a streaming audio library with per-track volume controls for individual sound layers.
Go-to-market
Distribution is through consumer app stores and the trost.co.kr website, supported by free psychological tests, a user community, counselor introduction videos and expert columns that draw organic search and repeat visits. The company maintains an Instagram account and a KakaoTalk Plus Friend channel for direct outreach, and markets a separate corporate mental-care program to employers.
Individual consumers in South Korea seeking psychological counseling or emotional support — including people dealing with depression, anxiety, low self-esteem, burnout, workplace and job stress, parenting and marital conflict, and sleep difficulties — plus employers looking to provide a corporate mental-care/EAP program to staff. The Google Play listing carries a Teen content rating.
Geography
Operations are Korean-language and centered on South Korea; the app developer lists an address at 149 Dosan-daero, Gangnam-gu, Seoul, with a Korean support phone number.
Compiled by commissioned research from 5 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
▸Research sources · 5
primary sources listed
- Trosttrost.co.kr · web
5 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Trost do?
- Trost is a Korean mental-care app offering 24-hour non-face-to-face psychological counseling, free self-tests, meditation and ASMR.
- Who are Trost's investors?
- Trost's investors include Kakao Ventures.