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Best O2Co2 Apps & Games

236+ iOS apps & games curated and reviewed

4.2 avg rating
19 free apps & games
Updated June 2026

Out of 236+ o2co2 apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for O2Co2

O2Cam: Take photos that breath#1

O2Cam: Take photos that breath by Xiamen HongTianChuangShi Technology Co., Ltd.

Take exquisite, natural-lookin
Editor's Choice
📷 Photo & Video
4.8😊(2.5K ratings)
Free
O2Cam: Take photos that breath screenshot 1
O2Cam: Take photos that breath screenshot 2
O2Cam: Take photos that breath screenshot 3
O2Cam: Take photos that breath screenshot 4
O2Cam: Take photos that breath screenshot 5

Capture the delicate texture of your skin and bring your natural beauty to life with this app. Take flawless photos with high-quality and elegant finishes using the O2 Set and Adjust function. Experience photography that breathes authenticity.

What We Love

  • 😊 Best camera app
  • 👍 Natural-looking filters and makeup
  • 💡 Adjustable features like portrait mode
  • 🚀 Efficient and smooth performance

Room to Improve

  • 🐛 Occasional crashes and image upload issues
  • 💰 Watermark on free version
  • 🔒 Lack of privacy/security features
Blaze of Battle#2

Blaze of Battle by Shenzhen Leyi Network Co., Ltd.

Lead your dragon to victory!
Strong Contender
🎮 Games
4.1😐(3.7K ratings)
FreeAdsIn-App Purchases
Blaze of Battle screenshot 1
Blaze of Battle screenshot 2
Blaze of Battle screenshot 3
Blaze of Battle screenshot 4
Blaze of Battle screenshot 5

Lead your dragon and knights to victory in this thrilling SLG game where you build a powerful army, customize your city, and battle millions of players worldwide. Join alliances, strategize, and dominate in Blaze of Battle. Play for free now and claim your destiny!

What We Love

  • 🚀 Addictive and fun
  • 👍 Great strategy game
  • 🤖 Unique concept with dragons
  • 🤝 Friendly community

Room to Improve

  • 💰 Pay-to-win model
  • 🕰️ Slow progression without spending
  • 🔒 Lack of security/protection for smaller players
ASTRA: Knights of Veda#3

ASTRA: Knights of Veda by DRIMAGE Co., Ltd

Season 2 Tears of the Goddess
Worth Considering
🎮 Games
4.6😐(1.5K ratings)
FreeAdsIn-App Purchases
ASTRA: Knights of Veda screenshot 1
ASTRA: Knights of Veda screenshot 2
ASTRA: Knights of Veda screenshot 3
ASTRA: Knights of Veda screenshot 4
ASTRA: Knights of Veda screenshot 5
ASTRA: Knights of Veda screenshot 6

Embark on a captivating journey in a beautifully dark fantasy world with ASTRA: Knights of Veda. Engage in ultimate action combat, explore stunning artwork, and immerse yourself in a deep narrative. Join the Knights of Veda and take on the tyrannical 'Mad King' Magnus. [Experience the Adventure](https://astra.hybeim.com/en)

What We Love

  • 🚀 Phenomenal gameplay
  • 👍 Immersive story and atmosphere
  • 🎨 Gorgeous art style
  • 🔊 Exceptional voice acting

Room to Improve

  • 🐛 Frequent crashes and bugs
  • 🔍 Confusing UI and navigation
  • 🔋 Performance issues on older devices

More O2Co2 apps to explore

4
Them Bombs – co-op board game
Them Bombs – co-op board game
Them Bombs – co-op board game
Cooperative game for 2-4
Free

Experience the thrill of defusing a bomb with your friends in this intense co-op board game. Test your communication skills, work together to save lives, and race against the clock before the bomb detonates. Can you keep a cool head and come out as the heroes? Download now and see if your team has what it takes.

🎮 Games
(2.6K)
5
Solitaire Ⓞ
Solitaire Ⓞ
Solitaire Ⓞ
Classic Klondike Card Game
Free

Play a classic Klondike card game on your mobile device, with intuitive controls and engaging gameplay. Enjoy hours of entertainment with Solitaire Ⓞ!

🎮 Games
(434K)
6
Connected2.me
Connected2.me
Connected2.me
Chat, Find & Meet New People
Free

Connect with people around the world anonymously through text-based chats, share your thoughts and ideas without revealing your identity. Join discussions, make new friends, and engage in conversations on various topics. Download now and start chatting!

🌐 Social Networking
(31K)
7
Secret of Mana
Secret of Mana
Secret of Mana
by SQUARE ENIX Co., Ltd.
$3.99
$6.99 | 43% OFF

Embark on a captivating adventure in a beautifully crafted world with innovative real-time battles. Experience the iconic Ring Command menu system and join Randi, Primm, and Popoi in a quest to protect the mystical power of Mana from the empire. Enjoy seamless gameplay suitable for both beginners and veterans.

🎮 Games
(296)
8
Nintendo Switch Parental Cont…
Nintendo Switch Parental Cont…
Nintendo Switch Parental Cont…
Supervise Your Child's Play
Free

Supervise your family's gaming activities on Nintendo Switch with the Parental Controls app. Set play-time limits, check gameplay summaries, and restrict game access easily. Keep your children's gaming experience safe and age-appropriate.

🌟 Lifestyle
(163K)
9
Age of Origins:Tower Defense
Age of Origins:Tower Defense
Age of Origins:Tower Defense
zombie tower defense game
Free

A zombie strategy MMO game with over 70 million downloads worldwide. Recruit armies, fight zombies, rebuild civilization, form alliances, and dominate in real-time battles with players globally. Are you ready to lead humanity's new age? Join the battle now!

🎮 Games
(62K)
10
CO2 Check
CO2 Check
CO2 Check
Be Aware Of Your Air
Free

Monitor carbon dioxide levels remotely and receive real-time readings and push notifications when levels become unhealthy. Stay on top of air quality and take action to improve ventilation and keep your environment safe.

🌟 Lifestyle
(15)
11
Legacy of Lithas
Legacy of Lithas
Legacy of Lithas
An RPG with merging bloodlines
Free

Embark on an epic RPG journey in a diverse fantasy world where you unite diverse races, raise new generations of powerful champions, and rebuild Luxis, the City of Light. Join the conflict between order and chaos, engage in thrilling Raids, and shape the future of the World of Lithas. Find out more at the provided Terms of Service link.

🎮 Games
(30K)
12
League of Legends: Wild Rift
League of Legends: Wild Rift
League of Legends: Wild Rift
Competitive 5v5 MOBA Action
Free

An action-packed 5v5 MOBA game by Riot Games optimized for mobile devices. Strategize, team up with friends, and battle in a constantly evolving arena with diverse champions. Experience stunning visuals and fair gameplay in League of Legends: Wild Rift. Download now and join the ultimate competition!

🎮 Games
(32K)
13
Educational games kids 2-3-4-5
Educational games kids 2-3-4-5
Educational games kids 2-3-4-5
Montessori preschool, pre-k
Free

Discover a collection of 15 educational games designed for toddlers aged 2-4, covering pre-kindergarten, preschool, and kindergarten levels. Engage and educate your child with fun activities tailored to their learning needs.

🎮 Games
(48K)
14
O2GFlash
O2GFlash
O2GFlash
A flash drive tool
Free
📊 Productivity
(0)
15
Heart Rate Monitor: Pulse
Heart Rate Monitor: Pulse
Heart Rate Monitor: Pulse
Blood Pressure & ECG Watch, O2
Free

Monitor your heart rate, blood pressure, and oxygen levels with ease. Stay on top of your health effortlessly.

💪 Health & Fitness
(6.7K)
16
Art Of War 3:RTS Strategy Game
Art Of War 3:RTS Strategy Game
Art Of War 3:RTS Strategy Game
PvP, coop real-time battles
Free

Experience intense real-time PvP and cooperative battles in this classic RTS game where you can control each unit directly. Choose a faction, develop unique strategies, and join the battle for global domination. Command, conquer, and dominate - are you ready for the challenge, Commander? Join the conflict now!

🎮 Games
(9.3K)
17
Rock 92.3
Rock 92.3
Rock 92.3
Home of the 2GNC Show
Free
🎵 Music
(27)
18
HTeaO
HTeaO
HTeaO
Order Ahead. Scan. Rewards.
Free

Order ahead, earn rewards, and get your favorite teas delivered with the HTeaO App. Easily order, earn Drips for rewards, and redeem points for HTeaO treats. Set your favorites, order ahead, and enjoy the convenience.

🍔 Food & Drink
(40K)
19
Legend of Slime: Idle RPG
Legend of Slime: Idle RPG
Legend of Slime: Idle RPG
Schleim Abenteuer Rollenspiele
Free

Lead the Slime clan in an epic war against invading humans to bring peace to the monster forest in this action-packed RPG. Recruit monsters, upgrade skills, and create a legendary team to fight battles and defeat enemies. Join the war for the monster world, develop your slime legion, and enjoy idle RPG gameplay on mobile.

🎮 Games
(3.4K)
20
Summer of Memories Ver2
Summer of Memories Ver2
Summer of Memories Ver2
Mystery of the Time Capsule
Free
🎮 Games
(549)

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