- Kitman Labs
- Kitman Labs Athlete
- Kitman Labs Kiosk
- KitNew-Monitor fat, slimming artifact
- Kitten GO!
- Kitts Coaching
- KC Beauty Center
- KittyCatCarb
- Kitu-App
- KiTZ (KiddieApps)
- KIVACH: рецепты для здоровья
- Kiwi Konnect
- Kiwi Racquet and Fitness Club
- Kiwi: Daily Motivation Quotes
- Kiwisens
- Weight Loss in 28 Days
- Kiểm dịch y tế
- KJoule Kcal
- KK Birchmeier
- KKH Schrittwettbewerb
- KKK Haiterbach
- KKSt Portal
- KKU PM2.5
- KKV
- KL Cosmetic Clinics LTD
- KLAFS Sauna
- Klahanie HOA
- KLAK Patienten APP
- KLAR Smile
- Klarity
- Klarälvsloppet
- KLAS
- Klasik Fit, LLC
- Kleanfit (India)
- Kleins Hair and Beauty
- Kletterfabrik Köln
- Kletterhalle Dellbrück
- KlikKB
- KlimaBai!
- KLIMANAVI
- Klini Viva Bem
- Klinik ChiemseeWinkel Seebruck
- Klinik Estetika dr. Affandi
- Virtual Clinic
- Klinik Prof. Schedel App
- Klinik Sonnenblick
- Klinik St. Irmingard
- Klinik Windach Patientenapp
- Klinik-Puls
- Klinikum St. Georg Leipzig
- Klinio: Health & Weight Loss
- Klinix
- Klocked
- KLSCM 2020 Virtual Run
- KLU
- KlukvaGym
- Squeeze Day
- KM1
- KMA Black Belt Champions
- KMA Challenge Martial Arts
- KMA Crystal Lake
- KMA Sleepy Hollow
- KMD Nexus Video II
- KMetrix: Pace Calculator
- KMI 건강검진-당신의 건강관리 파트너
- Knead Masters