Apps starting with O
251 apps
- O-KAM Pro
- O3: Study With Friends — Made by O3 Study Cafe
- OANow Opelika-Auburn News
- OB Fantasy Football — CAN College Fantasy Football
- Obby Parkour: Runner Game — Fun Jumping Party Master
- OBD2 Car Scanner - EOBD Facile — Torque & ELM327 OBD Diagnostic
- OBD2 Scanner | OBD Auto Doctor — Car Diagnostics & Check Engine
- OBDAI OBD2 Scanner & ELM327 AI — AI Mechanic + Repair Videos
- OBDeleven – OBD2 car scanner — Diagnostics & customization
- OBDLink
- OBDocker - OBD2 Car Scanner — Diagnose, Service, Modify Cars
- Obedience: BDSM Habit Tracker — BDSM app for kinky couples
- Object Removal AI Retouch — Photo Eraser & Magic Remover
- Objets — Museum of everything you love!
- Obodon: JLPT Kanji Game & Quiz — Learn Japanese Kanji fast!
- ObsCare
- Obsidian Knight: Roguelike RPG — Idle Medieval Adventure Games
- OCD HELP — Stop OCD Rumination & Anxiety
- Ocean Fish Evolution
- Ocean Shopping — Save with your favorite brands
- Ocean Whispers: Casual Game — Embark On The Unknown
- Ocenowo Dzienniczek
- OCO — one-touch puzzle-platformer
- Octohide VPN: Private & Secure — No account. Fast. Unlimited
- OCTOPATH TRAVELER: CotC — FFVI Collab & Mid-Year Fest
- Octopus 八達通
- Octopus: Budget, Money Tracker — Personal Finance Organizer
- Octro Indian Rummy — Play Live Indian Rummy Game
- Octro Poker Texas Holdem Games — Texas Holdem Casino Card Games
- Oda Class — Best LIVE Online Learning app
- Oddscore — Football Odd Analyzer
- OddsJam: Sharp Sports Betting — Player Props, +EV, & Arbitrage
- Oeni: #1 Wine Cellar Manager — Scan, track, rate & 3D cellar
- Off Book! Pro
- Off The Road - OTR Mud Racing — Extreme open world simulator
- Off-Road Kings — Mud car games simulator truck
- OffBlock — Pilot Logbook & FlightCrew App
- Offender Locator: Find & Watch — Neighborhood Safety Patrol
- OfferUp Buy & Sell Marketplace — Buying & Selling Items Locally
- Office Cat: Idle Tycoon Games — Build your cat tycoon empire!
- Office Life!: Tycoon Games — Manage Business: Make money
- Office Suite-Word, PDF, Sheets — Document, PPT, Excel App
- Office Word - Edit Word Docs — Edit DOCX Word, XLSX Sheets
- Office Workout & Wellness — Energize Your Office Hours
- Offline Music Player & Editor — Play MP3 Offline&MP3 Converter
- Offline Music Player ‣‣ — Play Cloud Music ‣ Live Radio
- Offline Music Player-MP3 Songs — Listen & Play Audio - No WiFi
- Offline Music, MP3 Player — Play music without internet
- Offline Pages
- Offline Poker - Texas Holdem — No-Wait No-Limit Poker
- OffRoad Drive Pro — The Ultimate 4x4 OffRoad Game
- Offroad Legends — Race challenging tracks!
- Offroadin’: Trail Maps & GPS — Your Garage, Trip Logs & Mods
- Offside Checker: VAR Tool — Analyze offside situations
- Offtop - Music Studio — Share Unreleased Music & Beats
- Offtrack: AI DJ Mixer — AI Mix - Spotify/Apple Music
- Oggi Cucino - Digital Edition
- Ogori - Traceability — Storage based using Blockchain
- Oh My Doll - Avatar Creator — Create your own custom Doll
- Oh She Glows — Healthy Plant-Based Recipes
- Ohio State Football — Radio, Rosters, Scores, Stats
- OhMyLove: Relationship app — Flourish & spark as a couple
- Oil Tycoon: Idle Miner Factory — Drilling simulator & clicker
- OiTr — provides napkins free charge
- OJI AI Video & Photo Generator — Photo Editor. Realistic Selfie
- Okay?
- OkCupid Dating: Date Singles — Find, Match & Meet New People
- Okey Elit — Yılın Okey Oyunu
- Okey Sohbet: 101 & Batak
- Okey! — a Turkish classic
- Oki: Language Learning — Words, lessons, practice
- Oklahoma State Football — Radio, Rosters, Scores, Stats
- OKOK
- OKOK·International
- OkOliver: AI Memory Assistant — Remember tasks, facts & notes
- Okudu AI - Create Stories — Read personalized stories
- Okuma－AI Signage & Monitoring — AI 視訊智能監控 強大防護一鍵掌握
- OL Masterminds
- Old School RuneScape — Iconic Fantasy MMORPG
- Old Vegas Classic Slots Casino — Enjoy 777 Slot Machine Games!
- Oldify - Old Face App — Age your face and snap videos
- OldRoll - Vintage Film Camera — Disposable Cam & Retro Filters
- OLIO — Share more. Waste less.
- Olive: Food & Cosmetic Scanner — Scan & Eat Healthy Ingredients
- Ollie's Wine Pal — Your Personal Wine Diary
- Olvid — Private messaging for everyone
- OLX - Comprar e Vender Artigos — Produtos,Eletrônicos, Imóveis
- Olympus Pro Legacy — Smarter Fitness Management
- OM (Officiel) — Olympique de Marseille
- Om Mani – Global Buddhism — Mantra, Sutra & Mala Counter
- Om Tamil Calendar 2025 — Rasi Palan & Astrology
- Omar Sharif Bridge Card Game — Bridge tournaments for all.
- OmimO — Pass the PEBC, remember more
- Omnia Fishing: Spots & Maps — Fishing App: Maps & Reports
- Omniheroes — Casual Strategy Fantasy RPG
- Omnipet - Pet Translator — Talk to your pet
- OmniTranslate — AI Translator — Advanced AI Novel Translator
- Omo: Healthy Weight Loss App — Lose weight with psychology
- Omrify: OMR & MCQ Scanner — By Kritarsh Technologies
- OMRON connect US/CAN/EMEA
- On My Way — Alles voor je rijbewijs
- On Shelf — Your Retail Inventory Manager
- On the line
- On-Point — Student Behavior Management
- On3 App
- Once Human — 末日之路，「異」無反顧
- Once: Chat & Connect App — Not Another Dating App
- OnCue Audio — event & sports audio player
- One Deck Dungeon — Roll the dice for adventure!
- One Goal: Locked In. — App Blocker & Focus Timer
- One Hand Survivor — One Hand to Stop Apocalypse!
- One More Shot - AI Music Video — AI Generator - AI Video Maker
- One Plug — Find EV Chargers
- one sec | screen time + focus — App & Website Limit, Blocker
- One4Wall: Wallpapers & Themes — 4K Live HD, Widgets & AI Gen
- OneAI : All in one AI — GPT, Gemini & Claude in One AI
- OneChat AI: AI Photo & Video — Photo Editor, Enhancer & Video
- OneClickPro — Branding and Marketing Posters
- OneCollector — Manage your One Piece cards
- onecrag — Let's climb everywhere
- oneD — Thai drama series sitcom
- OneFootball Live Soccer scores — Transfers, Goals & MLS News
- OneFootball Live Soccer scores — WC26: Games, Stats, Results
- OneNovel — Reading journey starts here!
- OneSearch: DeepSearch Finder — AI Chat, Deep Search Assistant
- OneShort - Watch Short Dramas — Relax in a Moment
- OneState RP: Role Play Online — Open World Multiplayer Game
- OneTube: Music & Video Player — Background Popup Video player
- Onevoca: Flashcards/vocabulary — 600,000 students
- Onform: Video Analysis App — Technique Coaching & Messaging
- Onion Browser — Secure, anonymous web with Tor
- Online Soccer Manager (OSM) — Manage the best football team
- OnlinePianist: Piano Songs — Learn How to Play & Tutorials
- OnlyDrams — Your spirits all in one place.
- Onmyoji Arena — Summer Celebration Kicks Off
- ONN TV Remote — Control ONN TV
- onNAV Marine — Modern 3D marine charts, buoys
- Onnect – Pair Matching Puzzle — Connect Tiles & Brain Teasers
- Onoff Numbers — Multiple numbers with one app
- OnPhone - Second Phone Number — Phone Number for Texts & Calls
- OnSkin: Beauty Product Scanner — Cosmetic Ingredient Checker
- OnSong 2026 — Chords, Music, Setlists, MIDI+
- ONVY — AI Health Coach — Nutrition, sleep and fitness
- ONVY — AI Health Coach — Nutrition, sleep and fitness
- onX Backcountry: Trail GPS App — Offline Hiking & Biking Maps
- Onyx Coach: Overload Tracker — Progressive Strength Log
- Oodle: Asian & Filipina Dating — Meet Verified Singles Overseas
- Oops! Tidy Up — Tidy up for your own room.
- OORA — Learn languages from audio
- OP Auto Clicker: Automatic Tap — A good Auto Click Assistant.
- OP TCG Dex: Card Scanner — Deck Builder & Price Tracker
- OPA! Family Party Card Game — Super Fun Matching Card Game
- Opal: Screen Time Control — Focus, App Blocker & Timer
- Open Authenticator by Skyost — An open-source TOTP manager
- Open English: Learn English
- Open World - City Exploration — Discover and Play in Cities
- Open: Breathwork + Meditation — A Mindfulness Studio
- Openchat: AI Chatbot Copilot — Image, Voice, Text Generation
- OpenLearning
- OpenReps: Gym Log + Food Scan — Your Intelligent Gym Log
- OpenRunner – Bike, hike, trail — Route planner & topo maps
- OpenToon - Manga Translator — Translate Manhwa & Webtoons
- Operate Now: Hospital — Surgery Simulation Game
- Operation: New Earth — Battle against Space Aliens
- OPERI : Operational Readiness
- OPlayer - video player — classic media streaming
- OPlayer HD - video player — classic media player
- Oprah Daily
- Opti Balance — Nutrición Ganadera Óptima
- Opti Cleaner & Optimizer — Optimize & clean your storage
- OptimalWork — Thrive at work and beyond.
- OptionPosition+
- Options Sentiment Screener — Become a Good Options Trader!
- OptionsTrader by IBD
- OQEE by Free — TV En direct & Replay
- Or for deg som ikkje finn ord
- Orai - Improve Public Speaking — Be confident in presentations
- Orakemu - Planner Journal Todo — Gamified Productivity App
- Orangetheory Fitness — The smartest one-hour workout
- Orato Spoken English — Learn English the smart way.
- Orb: Psychic Chat & Reading — Live Psychic Reading & Tarot
- Orca: Boat GPS, Charts, Routes — GPS Chart Route Sail Powerboat
- Orçamento Perfeito
- Orcan: Zero Chill — Savage workout reminders
- Order Crazy: Water Sort Puzzle — Match Bottle Sorting Master 3D
- Oregon Road and Traffic Cams — Road Conditions & Weather Map
- Oregon Road Report — Road conditions for Oregon
- Oregon State Football — Radio, Rosters, Scores, Stats
- ORG 24: Your Music — Piano, Beats & Studio
- Organ Trail: Director's Cut
- Organic Fit: Workout for Women — Pilates at Home, Weight Loss
- Organiza-te
- Organize:Pro - Task Manager — To Do and Project Management
- Organizze Budget Planner — Financial and Bill Organizer
- Originals for Hulu — Keep Track of Hulu Originals
- Originals for Netflix — Track of Netflix Originals
- Originals for Peacock TV — Discover, Track Shows & Movies
- Orion – Horoscope & Tarot — Astrology & Soulmate Sketch
- Orisym: Orienteering Symbols — testing and learning symbols
- Orlando Business Journal
- Orlando Sentinel — Your source for Orlando news
- Ornament: Your Health Coach — Knows what your body needs
- Orthodox Bible — Daily Devotionals, Septuagint
- Orukka by Monesave – Ring App — Contactless Payment Rings
- Orunaye
- OS Gym Workout Plan Tracker — AI Weightloss Fitness Logger
- OS Maps: Walk, Hike, Run, Bike — Trail map, plan & GPS navigate
- OsidOri: Shared Budget & Money — Couple Expense Tracker & Scan
- OsiMIDI T1 Remote
- OsmAnd Maps Travel & Navigate — Top-rated mobile trip planner
- Osmosis - Med School Study App — Medical education & USMLE prep
- OSN+ — Watch The Best Movies & Series
- OSO+ — Your Emotional GPS
- Osta: Save & Share Recipes — Cooking Organizer & Cook Book
- Othership: Booking App — Sauna and Ice Bath
- Othership: Guided Breathwork — Mindful Breathing Exercises
- Otherworld Mercenary Corps — Pixel-Art Beauties × Idle RPG
- Otium Mahjong: Wafū Tile Match — Mahjong Tile Puzzle Game
- Otium Word: Cross Puzzle Game — Word Puzzle Game for Relaxing
- Otter Ocean - Scavenger Hunt — Adventure with cute animals
- Otter Transcribe Voice Notes — AI Note Taking, Memo Recorder
- OtterLife: AI Health Tracker — Calorie Counter,Sleep& Fitness
- OTTTD: Over The Top Tower Defense
- Oumi – Interactive Story Stage — Live Improv & Story Games
- Our Groceries Shopping List — Share lists easily with family
- OurCal: Shared Family Calendar — Chat, Plan, Sync, & Notes App
- OurDay - Our Minimi in Widget — Start a D-Day with your lover
- OurFamilyWizard Co-Parent App — The Best Co-Parenting App
- Outdooractive. Hike and Ride — Trail Maps, GPS & Routes
- OuterWarfare - Survival Royale
- Outfit Formulas: Closet Maker — Midlife & Menopause Style
- Outfit Generator Chroma Style — Best Outfit Generator
- Outfit: Outdoor Fitness — Get outside faster!
- Outlier: Smart Sports Betting — Props, Stats, Odds & Analysis
- Outmap: Ski & Snowboard Maps — Offline maps for adventures
- Outplayer — Simple, powerful video player
- Over 1.5+ Daily Betting Tips — Daily Football Betting Tips
- Over 40 — Magnifying Glass & Flashlight
- Overcast Podcast App — Podcast player
- Overdrop - Weather & Widgets — Local Radar & Severe Alerts
- Overmortal-Idle RPG — Martial World, so easy
- Overwinter Survival — Winter, Survival and Cards
- Ovulation & Period Tracker App
- Owlet Dream — Better Sleep for Families
- Owll Translator:AI Voice Clone — instant translate Voice & Text
- Owll: AI Note Taker&Assistant — Record, Transcribe Voice Notes
- Owvie
- Oxford Dictionary & Thesaurus — Etymology & Offline Vocabulary
- Oxide: Survival Island Online — Multiplayer Simulator Day Game
- OyeTalk — Live Voice Chat Room
- Ozard: AI Study Companion — Learn with your AI tutor