| UAB 360 Mind | 🍎 | 1 | 4.3★ | Education |
| UAB MN Technologijos | 🍎 | 1 | 4.7★ | Utilities |
| UBI MEDIA FZE LLC | 🍎 | 1 | 4.5★ | Photo & Video |
| UCWEB SINGAPORE PTE. LTD. | 🍎 | 1 | 4.4★ | Utilities |
| UDO GAMES OYUN YAZILIM ANONIM SIRKETI | 🍎 | 1 | 4.7★ | Games |
| UDisc LLC | 🍎 | 1 | 4.9★ | SPORTS |
| UGames Software Limited | 🍎 | 1 | 4.6★ | Games |
| UGroupMedia inc | 🍎 | 1 | 4.8★ | Entertainment |
| ULTIMATE,Inc | 🍎 | 1 | 4.6★ | Photo & Video |
| ULTRA STELLAR, LLC | 🍎 | 1 | 4.6★ | Finance |
| ULTRAHUMAN HEALTHCARE PRIVATE LIMITED | 🍎 | 1 | 4.6★ | Health & Fitness |
| UMake | 🍎 | 1 | 4.2★ | Graphics & Design |
| UNA Consulting GmbH | 🍎 | 1 | 4.6★ | Business |
| UNACADEMY INC | 🍎 | 1 | 4.8★ | Education |
| UNEARBY LIMITED | 🍎 | 1 | 4.4★ | Social Networking |
| UNICO GAMES BILISIM LIMITED SIRKETI | 🍎 | 1 | 4.8★ | Games |
| UNITED MARKETING TECHNOLOGIES,INC. | 🍎 | 1 | 3.9★ | Social Networking |
| UNITED, Inc. | 🍎 | 1 | 4.6★ | Health & Fitness |
| UNIVERLIST TEKNOLOJI SANAYI VE TICARET ANONIM SIRKETI | 🍎 | 1 | 4.6★ | Photo & Video |
| UNIVERSAL TECHLAB | 🍎 | 1 | 4.6★ | Entertainment |
| UNSH VOF | 🍎 | 1 | 4.6★ | Utilities |
| UNUM, Inc. | 🍎 | 1 | 4.5★ | Graphics & Design |
| UP Faith & Family | 🍎 | 1 | 4.6★ | ENTERTAINMENT |
| UPLOSS LIMITED | 🍎 | 1 | 4.6★ | Health & Fitness |
| UPWAKE.ME LTD | 🍎 | 1 | 4.8★ | Games |
| UREAD GLOBAL PTE. LTD. | 🍎 | 1 | 4.6★ | Book |
| UREELS PTE.LTD. | 🍎 | 1 | 4.5★ | ENTERTAINMENT |
| USM | 🍎 | 1 | 3.8★ | Games |
| UTILITECH LTD | 🍎 | 1 | 4.7★ | Graphics & Design |
| UTR | 🍎 | 1 | 4.6★ | SPORTS |
| UULA Technologies | 🍎 | 1 | 4.7★ | Education |
| UZABASE, Inc. | 🍎 | 1 | 4.4★ | News |
| Ubicolor Ltd | 🍎 | 1 | 4.3★ | Photo & Video |
| Ubisoft Nova | 🍎 | 1 | 4.7★ | Games |
| Udemy | 🍎 | 1 | 4.7★ | Education |
| Udisense inc. | 🍎 | 1 | 4.7★ | Lifestyle |
| Ultimate Guitar | 🍎 | 1 | 4.8★ | Music |
| Ultrafine | 🍎 | 1 | 4.7★ | Utilities |
| Ulysses GmbH & Co. KG | 🍎 | 1 | 4.5★ | Productivity |
| UmangKumar Gajera | 🍎 | 1 | 4.3★ | Photo & Video |
| Umut Koray Melek | 🍎 | 1 | 4.1★ | EDUCATION |
| Unagrande Kompani AO | 🍎 | 1 | 4.9★ | Health & Fitness |
| Unbing International Limited | 🍎 | 1 | 4.7★ | Graphics & Design |
| Unbing Ltd | 🍎 | 1 | 4.3★ | Utilities |
| Unbing Ltd. | 🍎 | 1 | 2.8★ | Utilities |
| Unbound Applications | 🍎 | 1 | 4.9★ | Lifestyle |
| Uncaught Exception Inc | 🍎 | 1 | 4.8★ | Business |
| Unchained Mind | 🍎 | 1 | 4.7★ | Lifestyle |
| Uncharted Labs Inc. | 🍎 | 1 | 4.5★ | Music |
| Uncovered Labs | 🍎 | 1 | 4.8★ | Lifestyle |