Best 02 To Go Apps & Games

237+ iOS apps & games curated and reviewed

4.4 avg rating

20 free apps & games

Updated June 2026

Out of 237+ 02 to go apps and games on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top 02 To Go Apps & Games (June 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Cyl Duration	Free	4.5★ (8)	No	No	May 2026
2	O2gO2	Free	3.0★ (2)	No	Yes	May 2026
3	Easy Invoice Maker App	Free	4.9★ (27K)	No	Yes	Sep 2026
4	GO2bank: Mobile banking	Free	4.8★ (63K)	No	No	Sep 2026
5	Things That Go! Vehicle Games	Free	4.1★ (2K)	Yes	Yes	Sep 2026
6	Too Good To Go: Save Good Food	Free	4.9★ (571K)	Yes	No	Sep 2026
7	Go Program Way2Go Card	Free	4.2★ (30K)	No	No	Sep 2026
8	Clover Go - Dashboard & POS	Free	4.8★ (65K)	No	No	Sep 2026

Top Picks for 02 To Go

#1

Cyl Duration by Responsive Respiratory, Inc.

Editor's Choice

🏥 Medical

4.5(8 ratings)

Free

Cyl Duration screenshot 1

Cyl Duration screenshot 2

Cyl Duration screenshot 3

Calculates remaining oxygen in a cylinder for ambulatory users. Input device, liter flow, and cylinder size for precise remaining hours and minutes. Provides peace of mind for oxygen users on the go.

#2

O2gO2 by Aeronautical Data Systems Inc.

Changing Pressure(PSI) to time

Strong Contender

🔧 Utilities

3.0(2 ratings)

FreeIn-App Purchases

O2gO2 screenshot 1

This utility app converts oxygen cylinder pressure into remaining time, helping users manage their compressed gas resources. It provides visual indicators and calculates duration based on tank size, current pressure, and flow rate.

#3

Easy Invoice Maker App by Invoice Generator s.r.o.

Simple Invoices Generator 2 go

Worth Considering

💰 Finance

4.9😊(27K ratings)

FreeIn-App Purchases

#33in Finance

Easy Invoice Maker App screenshot 1

Easy Invoice Maker App screenshot 2

Easy Invoice Maker App screenshot 3

Easy Invoice Maker App screenshot 4

Generate, send, and track professional invoices and estimates directly from your mobile device. Streamline your billing process with quick client setup, saved product details, and automated tax calculations. Easily manage payments and debts with built-in reports.

What We Love

👍 Easy to use
📋 Customizable templates
🚀 Quick and efficient
💼 Professional-looking invoices

Room to Improve

🔒 Lack of cloud backup/sync functionality
🔍 Limited editing options for invoice items
💰 Sudden introduction of subscription fees

More 02 To Go apps to explore

GO2bank: Mobile banking

GO2bank: Mobile banking

GO2bank: Mobile banking

Mobile bank that works for you

This mobile banking app simplifies money management with features like early direct deposit, high-yield savings, and overdraft protection. It offers transparent banking with no hidden fees and tools to build credit. Secure and convenient access to funds nationwide.

Early direct depositHigh-yield savings accountOverdraft protection

Things That Go! Vehicle Games

Things That Go! Vehicle Games

Things That Go! Vehicle Games

Car Sounds For Learning 1 2 3

This app offers interactive games and flashcards designed to teach young children about vehicles, numbers, shapes, and the alphabet. It combines educational content with fun activities, inspired by a learning-through-play philosophy.

Interactive driving games40+ vehicle sound flashcardsABC transportation book

free with in-app purchases

Too Good To Go: Save Good Food

Too Good To Go: Save Good Food

Too Good To Go: Save Good Food

Rescue meals, grocery, takeout

Discover and purchase surplus food from local businesses at discounted prices. Reduce waste, save money, and enjoy tasty meals while helping the planet. Explore nearby restaurants, cafes, and grocery stores for surprise bags of delicious food.

Discover nearby surplus foodPurchase surprise bagsSave money on meals

🍔 Food & Drink

free with in-app purchases

Go Program Way2Go Card

Go Program Way2Go Card

Go Program Way2Go Card

by Conduent Inc.

Manage your prepaid card account on the go. Check balances, review transactions, activate new cards, and secure your account by locking it instantly if misplaced. Receive important alerts and manage your notification preferences.

Check available balanceReview transaction historyActivate new card

Clover Go - Dashboard & POS

Clover Go - Dashboard & POS

Clover Go - Dashboard & POS

Run your business on the Go

This app empowers small business owners to manage their operations and accept payments remotely. Track sales, monitor employee performance, and process transactions securely from your mobile device.

Run business from anywhereTrack sales in real-timeAccept contactless payments

2 Minute Football

2 Minute Football

2 Minute Football

2 Minutes to Win it, Let's Go!

Experience the thrill of football by focusing on passing and scoring touchdowns. This game offers simple, one-tap controls for quick gameplay. Compete against the clock and climb the leaderboards with fast-paced action.

One-tap passing controlsFocus on scoring touchdownsBeat the clock gameplay

Games for learning colors 2 &4

Games for learning colors 2 &4

Games for learning colors 2 &4

Learn educatioanal coloring 3

This educational coloring game helps young children learn color names in multiple languages and associate them with everyday objects. It offers interactive mini-quests to reinforce learning, develop motor skills, and foster creativity through drawing and mixing colors.

Learn color names in multiple languagesAssociate colors with objects (fruit, animals)Drawing and color mixing activities

free with in-app purchases

Freebie Invoice Maker

Freebie Invoice Maker

Freebie Invoice Maker

Invoice Simple, Invoicing App

Effortlessly create and send professional invoices, estimates, and receipts on the go. This app streamlines document generation and facilitates online payments, making it ideal for individuals and growing businesses.

Create professional invoices, estimates, and receiptsSend documents on the goAccept online payments

free with in-app purchases

Go To Car Driving 2

Go To Car Driving 2

Go To Car Driving 2

True crime city action games

Engage in a crime simulator set in an open-world city. Explore, steal cars, join gangs, or live a law-abiding life with limitless possibilities. The game offers a vast environment with various activities and vehicles.

Open-world city explorationCar theft and drivingGang and police interactions

Check your refund status

Access official IRS services on your mobile device. Check refund status, make payments, find tax preparation help, and receive tax tips and news. Stay connected with the IRS anytime, anywhere.

Check refund statusMake tax paymentsFind free tax preparation assistance

Instant Heart Rate: HR Monitor

Instant Heart Rate: HR Monitor

Instant Heart Rate: HR Monitor

Pulse Tracker & Stress Test

Measure your heart rate and stress levels accurately using your phone's camera. Track trends, view pulse waveforms, and utilize a StandUp test for fitness insights. Integrates with Apple Health.

Heart rate measurementStress level checkPulse waveform graphs

💪 Health & Fitness

free with in-app purchases

Heart Rate Monitor - Pulse BPM

Heart Rate Monitor - Pulse BPM

Heart Rate Monitor - Pulse BPM

Pulse: Step,Health HR&Oximeter

Easily monitor your heart rate, track steps, and record vital health metrics like blood pressure and body temperature. Save and visualize your health data, set reminders, and share your progress with friends and family. This app provides convenient health insights for daily well-being.

Measure heart rate anywhereTrack steps, blood pressure, and body temperatureSave and visualize health data

💪 Health & Fitness

Train games trains building 2

Train games trains building 2

Train games trains building 2

Construction Station for boy 3

This educational game allows children to build and manage their own train stations and railroads. Kids can learn about train components, construction stages, and passenger services while developing fine motor skills and logic.

Build railroad tracks and stationsManage passengers and luggageLearn about train types and mechanics

free with in-app purchases

Peoples Green2Go

Peoples Green2Go

Peoples Green2Go

by The Peoples Bank, Biloxi, Mississippi

Consolidate all your financial accounts from various institutions into one secure platform. Manage your money with tools for payments, transfers, check deposits, and account alerts. Find nearby branches and ATMs easily.

Aggregate financial accountsSet up balance alertsMake payments and transfers

free with in-app purchases

GoTo (CAR2GO) Shared Mobility

GoTo (CAR2GO) Shared Mobility

GoTo (CAR2GO) Shared Mobility

Shared Cars by hours / days

Access a wide range of shared vehicles by the hour or day. This service covers fuel, insurance, and maintenance, offering a flexible and convenient transportation solution for individuals and businesses.

Hourly and daily car rentalsShort-term rentals (3-30 days)Long-term Flexlease (1-36 months)

free with in-app purchases

Racing Crash! Drift Car Race 2

Racing Crash! Drift Car Race 2

Racing Crash! Drift Car Race 2

Speed driving & shooting games

Experience high-speed racing with intense obstacle destruction. Upgrade your vehicles, master diverse tracks, and conquer thrilling challenges to become the ultimate champion. Enjoy stunning graphics and a dynamic soundtrack for endless fun.

Smash and dash through obstaclesUpgrade and customize vehiclesRace on diverse tracks

free with in-app purchases

Free2move | Car Share & Rental

Free2move | Car Share & Rental

Free2move | Car Share & Rental

Cars by the Minute, Hour & Day

Access thousands of free-floating cars in major city centers for spontaneous trips, day rentals, or extended vacations up to 30 days. Enjoy car-sharing without rental offices, paperwork, or waiting lines, with parking and fuel/charging included.

Free-floating car sharingNo rental offices or paperworkShort, medium, and long trips

FAQ about 02 To Go

What are the best 02 to go apps & games for iPhone?

Cyl Duration tops our 02 to go apps & games ranking as of June 2026, with a 4.5-star average from 8 App Store ratings, and it's free to download.

Are there free 02 to go apps & games for iPhone?

Yes — 20 of the top 02 to go apps & games we rank are free to download, including Cyl Duration and O2gO2.

Does Cyl Duration have ads or in-app purchases?

Cyl Duration has no ads and has no in-app purchases, according to its App Store listing as of June 2026.

How many 02 to go apps & games are on the App Store?

We track 237+ 02 to go apps & games on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.

How does Cyl Duration calculate oxygen remaining?

Cyl Duration calculates remaining oxygen by allowing users to input specific settings such as the device, liter flow, and cylinder size. It then provides a precise readout of the remaining oxygen in hours and minutes.

What devices does Cyl Duration support?

Cyl Duration is available for iPhone, iPad, and iPod devices. It is designed for ambulatory users who need to monitor their oxygen supply on the go.