Best Wearable Technology Companies in Seoul, South Korea
The 54 best Wearable Technology companies in Seoul, South Korea in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Olive Union.
Our analysis of 50 Wearable Technology companies
$7.0b in tracked funding; 93% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Wearable Technology companies in Seoul
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Olive Union Provider of personal sound amplifying product | $20M | 63 mo ago | Series B | Owen Song Founder & CEO | 2016 | ShopifySentryZendesk+55 | 52 patents Digital hearing aid signal processing, remote care, and auditory training/therapy systems | — |
| 2 | HoneyNaps Developer of AI-based sleep disorder diagnosis and bio-signal monitoring systems. 48AI top 24%Moat top 25%Innovation top 37%Patents top 37% All 9 signals ▾AItop 24% Moattop 25% Innovationtop 37% Patentstop 37% Producttop 40% Fundingtop 50% Marketbottom 34% Globalbottom 31% Newsbottom 22% AI: Holds AI/ML patents (G06N-family CPC) · Product described with: ai-based, ai-driven Moat: Editorial + unicorn rating 7/10 · IP moat: 32 patents rank vs industry peers · Fliar Intelligence Index 48/100 | $16M | 26 mo ago | Series B | — | 2015 | — | 32 patents Digital sleep monitoring and CBT‑I therapy systems for heart‑rate and respiratory analysis | — |
| 3 | LINKFLOW Provider of a wearable 360-degree camera 50Talent top 23%Moat top 25%Patents top 37%Funding top 40% All 10 signals ▾Talenttop 23% Moattop 25% Patentstop 37% Fundingtop 40% Techtop 40% Producttop 40% Innovationtop 44% Fin. healthtop 45% Marketbottom 36% Globalbottom 36% Talent: 5 named leaders on record · 5 C-suite/founder profiles curated Moat: Editorial + unicorn rating 7/10 · IP moat: 82 patents rank vs industry peers · Fliar Intelligence Index 50/100 | $14M | 27 mo ago | Series C | Sammy Cho Co-Founder | 2016 | Cart FunctionalityShopifyYouTube+24 | 82 patents AI‑driven assistive navigation and wearable imaging systems for visually impaired users | — |
| 4 | Welt Smart connected belt that can monitor physical activity and waist size. 37Patents top 17%Innovation top 25%Product top 35%Funding top 37% All 8 signals ▾Patentstop 17% Innovationtop 25% Producttop 35% Fundingtop 37% Moattop 45% Globalbottom 43% Techbottom 30% Marketbottom 29% Patents: 65 patents matched (strict assignee match) · 51 filings since 2022 vs 14 in 2017-21 Innovation: 65 patents (top 26% of patent-holders) · 51 filings since 2022 vs 14 in 2017-21 rank vs industry peers · Fliar Intelligence Index 37/100 | $10M | 24 mo ago | Series C | — | 2016 | — | 65 patents AI-powered personalized digital therapeutics and smart pharmaceutical mixing/dispensing systems | — |
| 5 | Fitogether Provider of a wearable device for gathering player data | $9M | 58 mo ago | Series B | Jinsung Yoon Co-Founder & CEO | 2017 | WebflowMemberStackSvelte+19 | 59 patents Real-time tracking, analytics, and visual overlay for team sports performance | — |
| 6 | Ybrain Developer of electronic therapeutics and related diagnostic and monitoring technologies | $4M | 130 mo ago | Series B | Kiwon Lee CEO and CTO | 2013 | ImwebSentryFroala Editor+26 | 19 patents Patents concentrated in health & consumer products | — |
| 7 | Wellysis Provider of smart wearable wristband and app for ECG monitoring | $4M | 49 mo ago | Series A | Young Juhn CEO | 2019 | — | 18 patents Wearable biosignal sensors and AI-based atrial fibrillation detection for health monitoring | — |
| 8 | Looxid Labs Developer of emotion recognition system for interactions in VR | $4M | 92 mo ago | Series A | — | 2015 | — | 65 patents Biosignal-driven cognitive health assessment and diagnostic platforms for wearable devices | — |
| 9 | LetinAR Developer of AR-based smart glasses 78Innovation top 15%AI top 15%Patents top 17%Moat top 29% All 9 signals ▾Innovationtop 15% AItop 15% Patentstop 17% Moattop 29% Fundingtop 42% Markettop 49% Producttop 49% Talentbottom 49% Globalbottom 40% Innovation: 243 patents (top 7% of patent-holders) · 160 filings since 2022 vs 83 in 2017-21 AI: Holds AI/ML patents (G06N-family CPC) rank vs industry peers · Fliar Intelligence Index 78/100 | $4M | 2 mo ago | Series B | Jaehyeok Kim CEO | 2016 | — | 243 patents Patents concentrated in computing, sensing & instrumentation | 1 award |
| 10 | Lineable Wearable tracking beacon for children | $2M | 94 mo ago | Deadpooled | Seokmin Moon Founder & CEO | 2014 | — | 11 patents LPWAN-enabled wearable positioning and beacon-based location services | — |
| 11 | Kairos Watches Smart connected hybrid watches with mechanical and smart watch functions | $2M | 136 mo ago | Series A | Sam Yang Founder & MD | 2013 | Cart FunctionalityAnimate.cssBootstrap+9 | — | — |
| 12 | GlucoFit AI-powered blood sugar management solution | $901K | 28 mo ago | Seed | Yang Hyeok-Yong CEO | 2022 | TypeScriptGraphQLNode.js+17 | — | — |
| 13 | Impressivo Provider of smart clothing | $100K | 76 mo ago | Series A | David Ahn Founder | 2015 | — | — | — |
Top 12 Wearable Technology companies in Seoul
#1
Series B · Seoul, Seoul · founded 2016 · 59 employees$3.6Mraised▾
Developer of AR-based smart glasses. It is a technology company that develops optical solutions for augmented reality headsets and glasses. Its offerings include an AR optic lens that claims to be capable of showing a sharp virtual object image on short distances using small reflectors. It provides a field of view of over multi-degrees, which can be extended by arranging more pin mirrors, and a full-color expression without chromatic aberration. Claims that the technology enables simultaneous display and interaction with a virtual object away from the eyes, without feeling dizzy.
- May 2026Series B$18.6M
- Jan 2021Series A—
- Dec 2020Series A—
- Oct 2018Series A$3.6M
#2
Series B · Seoul, Seoul · founded 2015 · 23 employees$15.5Mraised▾
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- May 2024Series B$11.6M
- 2021Series A$3.9M
- 2019Seed—
#3
Series C · Seoul, Seoul · founded 2016 · 13 employees$14.4Mraised▾
LINKFLOW provides a wearable 360-degree camera for capturing VR videos. Known as the FITT360 series, it consists of three/four cameras and features live streaming & WiFi connectivity capabilities. Claims to be designed for public security and it preserves & transmits evidence through 360-degree video. Is compatible with iOS and Android devices.
- Apr 2024Series C$8.5M
- Apr 2020Series B$5.8M
- Seed—
#4
Series C · Seoul, Seoul · founded 2016 · 22 employees$10.1Mraised▾
WELT is a smart belt developed by Welt Corp which is a spin-off company from Samsung Electronics. The belt tracks used a pedometer to track users fitness metrics like steps taken and calories burned. The WELT uses a magnetic waist sensor to track user's waist size in real time. Using this data they can calculate calorie intake. The device connects to the smartphone via Bluetooth. The proprietary app gives insights about user's health by analysing the data collected by the WELT. Have raised more than $72K on Kickstarter.
- Jun 2024Series C$10.1M
#5
Series B · Seoul, Seoul · founded 2016 · 17 employees$20Mraised▾
Provider of personal sound amplifying product. The company's product, Olive, is a smart hearing aid and uses a sound algorithm and Bluetooth technology. The connected app allows users to test their hearing ability and manage their hearing profile.
- Apr 2021Series B$7M
- Mar 2019Series A$10M
- Jan 2018Seed—
#6
Series B · Seoul, Seoul · founded 2017 · 36 employees$9.2Mraised▾
Provider of a wearable device for gathering player data. It develops a wearable device for player data acquisition. It also provides an analytics solution for monitoring performance and managing teams.
- Aug 2021Series B$9.2M
#7
Seed · Seoul, Seoul · founded 2022$900.7Kraised▾
AI-powered blood sugar management solution. It uses a Continuous Glucose Monitoring sensor attached to the arm and linked to the Glucofit app, allowing users to measure blood sugar data in real-time.
- Feb 2024Seed$900.7K
#8
Series A · Seoul, Seoul · founded 2019 · 30 employees$4Mraised▾
Provider of smart wearable wristband and app for ECG monitoring. The users can verify the live-streaming ECG on their mobile devices. The ECG report is automatically transferred to the cloud platform for AI-assisted analysis and interpretation from the analysis the cardiologists can diagnose heart-related diseases.
- May 2022Series A$4M
#9
Series A · Seoul, Seoul · founded 2015 · 22 employees$4Mraised▾
Developer of emotion recognition system for interactions in VR. It provides an analytics solution that can track insights based on users' emotional reactions to VR experiences. It uses a mobile-powered VR headset combined with eye-tracking and EEG sensors that measure users' eye movements and brainwaves. Its emotion recognition API with advanced software delivers eye and brain signals in real-time and classifies the bio-signals including brainwaves and pupil information into emotional states. It caters to education, health care, marketing, and research.
- Nov 2018Series A$4M
#10
Series B · Seoul, Seoul · founded 2013 · 44 employees$4.2Mraised▾
Developer of electronic therapeutics and related diagnostic and monitoring technologies. The company focuses on creating solutions for mental healthcare needs. It delivers devices and platforms intended for use in at-home environments. The company’s products incorporate neuromodulation and biosignal analysis.
- Aug 2015Series B—
- Aug 2014Series A$3.5M
- Seed$643K
#11
Deadpooled · Seoul, Seoul · founded 2014 · 8 employees$2Mraised▾
Lineable makes a low cost($5), durable, Bluetooth beacon based wristband for children, that warns parents when their child moves out of range of their smartphone. The band depends on crowd sourced GPS and when a child is reported missing it reports any appearance of the child within other Lineable user's range to the parents. Has raised more than $36k on a goal of $30k in Indiegogo.
- Aug 2018Series A$2M
#12
Series A · Seoul, Seoul · founded 2013$2Mraised▾
Kairos watch develops smart connected hybrid watches. The watches developed by the company shows time using mechanical functions and displays information like incoming messages, calls, emails etc using a digital glass placed over the watch face. The company also developed a smartwatch strap that can be attached to a normal watch to add smart watch functionalities like alert notifications, fitness tracking etc.
- Mar 2015Series A$1M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Wearable Technology coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Wearable Health in Seoul is moving
A read on the academic research around Wearable Health in Seoul — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 51 papers.
- Seoul National University24
- Seoul National University Hospital13
- Seoul National University Bundang Hospital13
- The Catholic University of Korea Seoul St. Mary\'s Hospital7
- Seoul St. Mary\'s Hospital7
- Glycemic2
- Continuous glucose monitoring2
- Type 2 diabetes2
- Diabetes mellitus2
- Diabetes management1
- Continuous glucose monitoring1→17
- Diabetes mellitus2→9
- Hypoglycemia1→3
- Continuous glucose monitoring3→7
- Glycemic1→5
- Diabetes mellitus4→5
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.