| KANGJIN VIET NAM JOINT STOCK COMPANY | 🍎 | 1 | 4.6★ | Entertainment |
| KARMAN Games | 🍎 | 1 | 4.7★ | Games |
| KAT IP PTY LTD | 🍎 | 1 | 4.9★ | Reference |
| KAYA Climbing✉ | ▶️ | 1 | 4.0★ | Sports |
| KAYA TEAM✉ | ▶️ | 1 | 3.8★ | Social |
| KDEV✉ | ▶️ | 1 | 4.5★ | Tools |
| KDMedia✉ | ▶️ | 1 | 4.5★ | Beauty |
| KED Apps✉ | ▶️ | 1 | 4.2★ | Entertainment |
| KELVIN DAVON JENKINS✉ | ▶️ | 1 | — | Arcade |
| KENTA OKAMURA | 🍎 | 1 | 4.6★ | Travel |
| KESOFTGAMES✉ | ▶️ | 1 | 4.9★ | Arcade |
| KEYSTORM HOLDINGS LTD✉ | ▶️ | 1 | 4.3★ | Arcade |
| KHN Solutions, LLC.✉ | ▶️ | 1 | 4.4★ | Medical |
| KICK - Live Streaming✉ | ▶️ | 1 | 4.5★ | Entertainment |
| KIDS GAMES LLC | 🍎 | 1 | 4.8★ | Games |
| KINGS FORTUNE PTE.LTD. | 🍎 | 1 | 4.6★ | Games |
| KINGSMEN VIETNAM COMPANY LIMITED | 🍎 | 1 | 4.4★ | Utilities |
| KINGSOFT OFFICE SOFTWARE CORPORATION LIMITED | 🍎 | 1 | 4.8★ | Productivity |
| KINKY DATING APP LTD | 🍎 | 1 | 4.1★ | Social Networking |
| KINOKUNIYA COMPANY LTD. | 🍎 | 1 | 4.4★ | Book |
| KIRI Innovation✉ | ▶️ | 1 | 4.1★ | Photography |
| KITERETSU INC. | 🍎 | 1 | 4.2★ | Games |
| KIWI MIBO NETWORK TECHNOLOGY CO.,LIMITED | 🍎 | 1 | 4.9★ | Games |
| KIXEYE | 🍎 | 1 | 4.5★ | Games |
| KIYO Learning Co.,Ltd. | 🍎 | 1 | 4.6★ | Education |
| KL Technology Limited✉ | ▶️ | 1 | 4.6★ | Art & Design |
| KLDGlobalGame✉ | ▶️ | 1 | 4.5★ | Casual |
| KLEC Dev✉ | ▶️ | 1 | 4.7★ | Casino |
| KLab Inc. | 🍎 | 1 | 4.4★ | Games |
| KOLB SISTEMAS - EIRELI | 🍎 | 1 | 4.5★ | Music |
| KOO-KI | 🍎 | 1 | 4.3★ | Education |
| KOOPLY✉ | ▶️ | 1 | 4.6★ | Arcade |
| KRAFTON Inc | 🍎 | 1 | 3.9★ | Games |
| KRAFTON, Inc.✉ | ▶️ | 1 | 4.2★ | Sports |
| KREMITAL LIMITED✉ | ▶️ | 1 | 4.4★ | Education |
| KRNL SRL✉ | ▶️ | 1 | 4.0★ | Entertainment |
| KS Mobile, Inc. | 🍎 | 1 | 4.0★ | Social Networking |
| KSE MOTV HOLDINGS LLC✉ | ▶️ | 1 | 4.7★ | Sports |
| KUCHIYO CO., LIMITED✉ | ▶️ | 1 | — | Casual |
| KUCO Apps✉ | ▶️ | 1 | 4.8★ | Beauty |
| KURO GAMES | 🍎 | 1 | 4.6★ | Games |
| KURO TECHNOLOGY (HONG KONG) CO., LIMITED✉ | ▶️ | 1 | 4.4★ | Action |
| KVADGroup App Studio✉ | ▶️ | 1 | 4.7★ | Photography |
| KY Technology Co., Ltd.✉ | ▶️ | 1 | 4.7★ | Entertainment |
| KYHU | 🍎 | 1 | 4.6★ | GAMES_WORD |
| KYOTO K.K. | 🍎 | 1 | 4.6★ | Entertainment |
| Ka Wai Tong | 🍎 | 1 | 4.7★ | Health & Fitness |
| Kaarel Kirsipuu | 🍎 | 1 | 4.3★ | Games |
| Kabam Games, Inc. | 🍎 | 1 | 4.7★ | Games |
| Kadax Games✉ | ▶️ | 1 | 4.3★ | Trivia |