Best O3 Apps

250+ iOS apps curated and reviewed

4.8 avg rating

20 free apps

Updated October 2026

Whether you're new to o3 or looking for an upgrade, our curated collection of 250+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top O3 Apps (October 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	O3 Ozoon	Free	4.3★ (1.2K)	No	No	Oct 2026
2	O3: Study With Friends	Free	—	No	Yes	Oct 2026
3	Shazam: Find Music & Concerts	Free	4.9★ (8.9M)	No	No	Oct 2026
4	Microsoft Outlook	Free	4.8★ (9.3M)	Yes	Yes	Oct 2026
5	Zillow Real Estate & Rentals	Free	4.8★ (7.2M)	No	No	Oct 2026
6	Google Maps	Free	4.7★ (7.4M)	Yes	Yes	Oct 2026
7	Amazon Kindle: Reading App	Free	4.9★ (5.9M)	No	No	Oct 2026
8	Target: Shop. Style. Save.	Free	4.9★ (6.9M)	Yes	No	Oct 2026

Top Picks for O3

#1

O3 Ozoon by FAYA DEV LTD

Clothes for men

Editor's Choice

🛍️ Shopping

4.3(1.2K ratings)

Free

O3 Ozoon screenshot 1

O3 Ozoon screenshot 2

O3 Ozoon screenshot 3

O3 Ozoon screenshot 4

O3 Ozoon screenshot 5

Discover and purchase high-quality men's clothing from top international brands. Offers a curated selection at competitive prices.

#2

O3: Study With Friends by O3 Platforms Limited

Made by O3 Study Cafe

Strong Contender

📊 Productivity

0.0(0 ratings)

FreeIn-App Purchases

O3: Study With Friends screenshot 1

O3: Study With Friends screenshot 2

O3: Study With Friends screenshot 3

O3: Study With Friends screenshot 4

O3: Study With Friends screenshot 5

O3: Study With Friends screenshot 6

This community app allows users to earn digital currency for purchases like food and drinks. It's the official platform for engaging with the O3space community and its offerings.

#3

Shazam: Find Music & Concerts by Apple

Identify Songs, Live Shows

Worth Considering

4.9😊(8.9M ratings)

Free

#6in Music

Shazam: Find Music & Concerts screenshot 1

Shazam: Find Music & Concerts screenshot 2

Shazam: Find Music & Concerts screenshot 3

Shazam: Find Music & Concerts screenshot 4

Shazam: Find Music & Concerts screenshot 5

Shazam: Find Music & Concerts screenshot 6

Instantly identify music playing around you or in other apps. Discover nearby concerts, lyrics, and videos. Access your music history and get personalized recommendations.

What We Love

🚀 Instant song identification
📚 Extensive music library
🎶 Seamless integration with music apps
🔍 Helpful for discovering new music
💾 Saves song history

Room to Improve

🐛 Inconsistent performance, fails to identify songs
🔇 Struggles with non-mainstream/classical music
🔒 Sync issues with Apple Music
📤 Offline Shazams not saved
💰 Pushes paid subscriptions

More O3 apps to explore

Microsoft Outlook

Microsoft Outlook

Microsoft Outlook

Secure Email, Calendar & Files

Consolidate all your email accounts and calendars into one streamlined application. Manage your inbox, schedule meetings, and access files from various cloud services. Enhance productivity with AI-powered writing assistance and smart inbox features.

Unified inbox for multiple email accountsSmart inbox sortingQuick swipe actions

📊 Productivity

free with in-app purchases

Zillow Real Estate & Rentals

Zillow Real Estate & Rentals

Zillow Real Estate & Rentals

Buy & Sell Homes & Apartments

Explore homes and apartments with advanced tools like 3D tours and virtual staging. Estimate your buying budget, connect with agents, and manage the entire home buying or renting process seamlessly. Find your perfect place faster.

3D home toursVirtual stagingBuyAbility score estimation

Places, navigation & traffic

Navigate your world with real-time traffic, turn-by-turn directions for driving, walking, cycling, and public transport. Discover millions of businesses and places with photos and reviews. Plan trips with Street View, Immersive View, and offline maps.

Real-time GPS navigationLive traffic dataPublic transport updates

🗺️ Navigation

free with in-app purchases

Amazon Kindle: Reading App

Amazon Kindle: Reading App

Amazon Kindle: Reading App

Read books. Millions of ebooks

Access a vast library of eBooks, magazines, and comics on your mobile device. Customize your reading experience with adjustable text, brightness, and page-turning options. Look up words, track progress, and sync across devices.

Read purchased eBooksAccess Kindle UnlimitedCustomizable text and display

free with in-app purchases

Target: Shop. Style. Save.

Target: Shop. Style. Save.

Target: Shop. Style. Save.

Deals on fashion & essentials

Discover seasonal essentials, outfit ideas, and home decor. Shop deals on groceries, pantry staples, and gifts. Enjoy convenient services like curbside pickup and same-day delivery.

Shop seasonal arrivalsCurbside pickupSame-day delivery

🛍️ Shopping

free with in-app purchases

A flash drive tool

📊 Productivity

Daily Study, Audio & Prayer

Access a vast library of Bible versions in multiple languages, listen to audio Bibles, and engage in daily study with friends. Create prayers, add notes, and customize your reading experience with themes and verse images.

3,500+ Bible versionsAudio BiblesThousands of Reading Plans

free with in-app purchases

by MAHLE Aftermarket Italy S.p.A.

Control and monitor your ozone generator remotely. Generate detailed reports of its processes and send them via email as PDF files. This app helps you manage your equipment efficiently.

Remote ozone generator managementProcess monitoringReport generation

📊 Productivity

IMDb: Movies & TV Shows

IMDb: Movies & TV Shows

IMDb: Movies & TV Shows

Tickets, trailers, and ratings

Your personal entertainment guide to discover movies and TV shows. Get personalized recommendations, create watchlists, and receive alerts for new releases. Connect streaming services and rate content to find more to enjoy.

Personalized recommendationsCustomizable WatchlistsTailored alerts for new releases

🎬 Entertainment

Capital One Mobile

Capital One Mobile

Capital One Mobile

Easy account access anywhere.

Manage your finances on the go with comprehensive account access. View balances, pay bills, track transactions, and monitor your credit score. The app also offers card management, rewards redemption, and peer-to-peer payments.

View account balances and statementsPay bills and loansCheck credit score with CreditWise

AMC Theatres: Movies & More

Times, Tickets, Food, Rewards

Easily buy movie tickets, discover film details, and manage your loyalty rewards. Order concessions in advance and access digital tickets and your membership card.

Buy movie ticketsView showtimesAccess AMC Stubs rewards

🎬 Entertainment

PayByPhone Parking

PayByPhone Parking

PayByPhone Parking

The best way to park.

Easily pay for parking from your phone, extending sessions remotely and finding nearby spots. Get notifications before your session expires and track your parking history. Supports multiple payment methods for a seamless experience.

Start and extend parking sessions remotelyFind available parking using Maps or NearbyReceive session expiry notifications

free with in-app purchases

Your everyday AI assistant

This app provides access to advanced AI capabilities, including text generation, image creation from descriptions, and voice conversations. It offers personalized advice, creative inspiration, and instant answers for various tasks, syncing history across devices.

Image generation from textAdvanced voice conversationsPhoto upload and transcription

📊 Productivity

free with in-app purchases

Edits: Video Editor

Edits: Video Editor

Edits: Video Editor

Video maker from Instagram

This app simplifies video creation for social media, offering tools for editing, effects, and audio enhancement. Users can export in 4K without watermarks, manage drafts, and track performance. It provides AI animation, green screen, and automatic caption generation.

4K export without watermarkAI animationGreen screen and video overlays

📷 Photo & Video

free with in-app purchases

Send Money, Debit card

A fast, safe, and social way to send and receive money with friends and family. Easily split bills, buy crypto, and manage your finances with integrated debit and credit cards.

Send and receive moneySplit payments among friendsBuy, hold, and sell cryptocurrency

free with in-app purchases

This app provides a secure way to verify your identity for account access. It offers two-factor authentication through temporary codes or push notifications. The app prioritizes privacy, only requesting camera access for initial device registration.

Two-step verificationGenerate 6-digit codesApprove sign-in requests via push notification

Money. Debit Card. Bitcoin.

Easily send and receive money or bitcoin instantly. Save by rounding up change, invest in stocks or bitcoin, and get paid up to two days early with direct deposit. Features a customizable debit card with exclusive discounts.

Send & receive money/bitcoin instantlyRound up spare change to saveInvest in stocks, ETFs, and bitcoin

free with in-app purchases

FAQ about O3

What are the best o3 apps for iPhone?

O3 Ozoon tops our o3 apps ranking as of October 2026, with a 4.3-star average from 1.2K App Store ratings, and it's free to download.

Are there free o3 apps for iPhone?

Yes — 20 of the top o3 apps we rank are free to download, including O3 Ozoon and O3: Study With Friends.

Does O3 Ozoon have ads or in-app purchases?

O3 Ozoon has no ads and has no in-app purchases, according to its App Store listing as of October 2026.

How many o3 apps are on the App Store?

We track 250+ o3 apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.