| Oran Dynamics Ltd | 🍎 | 1 | 4.6★ | NAVIGATION |
| Orange Labs Information Technology HongKong Limited | 🍎 | 1 | 4.6★ | Social Networking |
| Orange Media CO.,Ltd | 🍎 | 1 | 4.2★ | Graphics & Design |
| OrangeBay Information Technology Co., Ltd. | 🍎 | 1 | 4.8★ | Photo & Video |
| OrangesGame Technology Limited | 🍎 | 1 | 4.3★ | Games |
| Orangutech LLC | 🍎 | 1 | 4.7★ | Sports |
| Orbital Knight sp. z o.o. | 🍎 | 1 | 4.1★ | Games |
| Orbital Nine Games Inc | 🍎 | 1 | 4.5★ | Games |
| Orchard Innovations | 🍎 | 1 | 4.6★ | Photo & Video |
| OrchildEagle Technology Limited | 🍎 | 1 | 4.1★ | Photo & Video |
| Oregonian Publishing Company LLC | 🍎 | 1 | 4.3★ | News |
| Organizze Tecnologia LTDA | 🍎 | 1 | 4.6★ | Finance |
| Organum Limited | 🍎 | 1 | 4.2★ | Music |
| Orienjoy International Company Limited | 🍎 | 1 | 4.7★ | Games |
| Oriental Huaxin Technology Co., Ltd. | 🍎 | 1 | 3.0★ | Social Networking |
| Oriented Games | 🍎 | 1 | 4.5★ | Games |
| Original Games Pte. Ltd. | 🍎 | 1 | 4.7★ | Games |
| Oringe Inc. | 🍎 | 1 | 4.9★ | Graphics & Design |
| Ornament Health AG | 🍎 | 1 | 4.6★ | Health & Fitness |
| Ornitorenk Dijital Hizmetler Anonim Sirketi | 🍎 | 1 | 4.6★ | Health & Fitness |
| Orodragon Ltd. | 🍎 | 1 | 4.5★ | Games |
| Osawa Shunsuke | 🍎 | 1 | 4.5★ | Photo & Video |
| Oskarina Ramos | 🍎 | 1 | 4.8★ | Utilities |
| OsmAND B.V. | 🍎 | 1 | 4.6★ | Travel |
| Osprit Inc. | 🍎 | 1 | 4.8★ | Reference |
| Otrofy Inc. | 🍎 | 1 | 4.6★ | Finance |
| Otter.ai, Inc. | 🍎 | 1 | 4.7★ | Productivity |
| OurCal Ltd. | 🍎 | 1 | 4.7★ | Productivity |
| OurFamilyWizard, LLC | 🍎 | 1 | 4.6★ | PRODUCTIVITY |
| OurGroceries, Inc. | 🍎 | 1 | 4.8★ | Shopping |
| Outerdawn Limited | 🍎 | 1 | 4.8★ | Games |
| Outerminds Inc. | 🍎 | 1 | 4.9★ | Games |
| Overcast Radio, LLC | 🍎 | 1 | 4.5★ | News |
| Overdesigned, LLC | 🍎 | 1 | 4.7★ | Travel |
| Overdreamer, LLC | 🍎 | 1 | 4.9★ | Education |
| Overlap Studios, Inc. | 🍎 | 1 | 4.6★ | Health & Fitness |
| Ozion | 🍎 | 1 | 4.9★ | Reference |
| P&G Baby Care Digital LLC | 🍎 | 1 | 4.7★ | Health & Fitness |
| P&G Health Care | 🍎 | 1 | 4.6★ | Health & Fitness |
| P.D. PLAYGENES INTERNATIONAL LIMITED | 🍎 | 1 | 4.7★ | Games |
| PAGA GAMES | 🍎 | 1 | 4.4★ | Games |
| PAL-KAI CO.,LTD | 🍎 | 1 | 4.7★ | Entertainment |
| PALAUA AND SONS Pte Ltd | 🍎 | 1 | 4.9★ | Reference |
| PAMPAM, TOV | 🍎 | 1 | 4.5★ | Games |
| PANGU GAME GLOBAL LIMITED | 🍎 | 1 | 4.7★ | Games |
| PANTHERA | 🍎 | 1 | 4.8★ | Games |
| PARTYPOP PTE. LTD. | 🍎 | 1 | 4.7★ | Games |
| PAWFECT INNOVATIONS PTE. LTD. | 🍎 | 1 | 4.7★ | Entertainment |
| PB Studios OU | 🍎 | 1 | 4.4★ | Productivity |
| PCLOUD LTD | 🍎 | 1 | 4.7★ | Productivity |