Best 21Dev Apps & Games

131+ iOS apps & games curated and reviewed

4.1 avg rating
20 free apps & games
Updated June 2026

Looking for free 21dev apps and games? 20 of our 131+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for 21Dev

O-KAM Pro#2

O-KAM Pro by Shenzhen VeePai IoT Intelligent Technology LLC

Strong Contender
🛠️ Developer Tools
4.6😊(8.3K ratings)
FreeAdsIn-App Purchases
#6in Developer Tools
O-KAM Pro screenshot 1
O-KAM Pro screenshot 2
O-KAM Pro screenshot 3
O-KAM Pro screenshot 4
O-KAM Pro screenshot 5

Monitor your home anytime, anywhere with remote video surveillance on your mobile device. Stay connected with real-time video, cloud storage playback, alarm alerts, two-way voice intercom, and more for effortless home monitoring. Download now for easy and convenient home security management.

What We Love

  • 🚀 Convenient
  • 🚀 Easy to use
  • 🚀 Great picture quality
  • 🚀 Excellent value

Room to Improve

  • 🐛 Connectivity issues
  • 🐛 Unreliable motion detection
  • 🔋 Battery life concerns

More 21Dev apps to explore

4
她说 | 认真交朋友
她说 | 认真交朋友
她说 | 认真交朋友
每天认识21位有趣好看的新朋友
Free

An app for genuine social connections, enabling users to meet 21 interesting people daily for dating, friendships, and networking. Personalized matching, strict user verification, and optional VIP subscription for enhancing the experience. Explore meaningful relationships with "她说."

🌐 Social Networking
(45)
5
dev.to
dev.to
dev.to
Code Creators Coming Together
Free

Stay connected to a community of developers and like-minded individuals through a social network that allows you to follow topics and members, read and write articles, and discover new content. Download the app to navigate and engage with the community on-the-go!

🌐 Social Networking
(32)
6
daily.dev
daily.dev
daily.dev
The feed for developers
Free
📡 News
(18)
7
ViViWo play meet & share
ViViWo play meet & share
ViViWo play meet & share
Chat & talk with new people
Free

ViViWo Play Meet is a versatile platform where users can seamlessly connect with others through virtual events, games, and interactive experiences. Join now to experience a new way of socializing and having fun online!

🌐 Social Networking
(61)
8
Assemblr Studio: Easy AR Maker
Assemblr Studio: Easy AR Maker
Assemblr Studio: Easy AR Maker
Easy Augmented Reality Maker
Free

Experience the power of Assemblr Studio: Easy AR Maker app! Create stunning augmented reality experiences effortlessly using premade templates or customize your own. Stay tuned for more updates and unleash your creativity!

🎨 Graphics & Design
(238)
9
Plotify
Plotify
Plotify
by Changsha Xingyue Interactive Network Technology Co., Ltd
Free
🌟 Lifestyle
(0)
10
How Well Do You Know Me
How Well Do You Know Me
How Well Do You Know Me
Do You Know Me?
Free

This app allows you to test how well you know your partner or friend by answering a series of questions. Compare your answers to see how much you match up! Find out if you truly understand their feelings by taking the test today!

🎮 Games
(860)
11
XMAKER
XMAKER
XMAKER
Gamification 3D Design App
Free

Experience the future of 3D printing at home with an intuitive app that simplifies design and printing processes. Unleash your creativity effortlessly with one-press printing technology. Download now to enjoy the art of creation.

🔧 Utilities
(0)
12
Infinite Cultivation
Infinite Cultivation
Infinite Cultivation
Xuanhuan idle cultivation game
Free

Embark on a mystical journey in a Xuanhuan idle cultivation game. Master the arts of alchemy, farming, and home-building in a world filled with bonuses and friendship. Join us and begin your path to immortality now!

🎮 Games
(1.5K)
13
掼蛋-如意掼蛋单机欢乐版惯蛋
掼蛋-如意掼蛋单机欢乐版惯蛋
掼蛋-如意掼蛋单机欢乐版惯蛋
经典单机爱掼蛋游戏,天天趣味惯蛋王
Free

Experience the most authentic and classic Jiangsu card game with this app, where you can become a true "掼蛋" master. Play traditional games, nurture teammates, embark on a nationwide journey, and enjoy intense gameplay with friends. Join now for non-stop fun and excitement!

🎮 Games
(770)
14
TrueID: #1 Smart Entertainment
TrueID: #1 Smart Entertainment
TrueID: #1 Smart Entertainment
Lifestyle & Entertainment
Free

TrueID is a versatile mobile application that revolutionizes the way users access and interact with entertainment, news, and more. From personalized recommendations to live TV streaming, TrueID offers a one-stop platform for all your content needs. Download now to experience the future of digital entertainment!

🎬 Entertainment
(1.6K)
15
LetStudy Live Streaming Video
LetStudy Live Streaming Video
LetStudy Live Streaming Video
by Hai Pham
Free

This online learning platform offers thousands of video courses in over 100 topics, from programming and data science to marketing and design, taught by expert instructors. With free courses available, lifetime access to content, and the ability to learn at your own pace, you can master new skills, advance your career, and explore new hobbies.

🎬 Entertainment
(17)
16
alistTools
alistTools
alistTools
Alist、OpenList、网盘管理、文件管理、视频播放器
Free
$9.99 | 100% OFF
📊 Productivity
(63)
17
2000 AD Featuring Judge Dredd
2000 AD Featuring Judge Dredd
2000 AD Featuring Judge Dredd
by Rebellion Publishing Limited Apps
Free
📚 Books
(5)
18
Tru Count - Blackjack Trainer
Tru Count - Blackjack Trainer
Tru Count - Blackjack Trainer
by Phoenix AI Consulting LLC
Free
🎮 Games
(1)
19
ZingPlay Games: Shan, 13Poker
ZingPlay Games: Shan, 13Poker
ZingPlay Games: Shan, 13Poker
Game portal with diverse games
Free

This game portal offers a diverse range of popular card games and entertainment options, allowing users to play for free, connect with others, and sharpen their skills in a competitive environment. Download now to access daily free gifts, enjoy various games, and be part of a large community of players.

🎮 Games
(18)
20
4D King Live 4D Results
4D King Live 4D Results
4D King Live 4D Results
by Nick Goh
Free

This application provides fast and free 4D notifications and live results updates for Malaysia, Singapore, and South East Asia, featuring past draws, 4D numbers history, and multi-language support. Download the app to stay up-to-date with the latest 4D and jackpot results from various supported lotteries.

🌟 Lifestyle
(318)