A strategic two-player card game playable on a single device. Master scoring combos and outsmart your opponent in fast-paced rounds with easy-to-learn rules.



27+ iOS apps & games curated and reviewed
If you already know Octets, this is the deeper bench. 27+ octets apps and games for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.















A strategic two-player card game playable on a single device. Master scoring combos and outsmart your opponent in fast-paced rounds with easy-to-learn rules.


Engage in fast-paced 3D tank battles, either solo or with teammates, against players worldwide. Strategically destroy enemy tanks, defend your territory, and upgrade your vehicles with powerful weapons. Experience realistic graphics and immersive gameplay.






Test your brainpower and problem-solving skills by converting decimal numbers to binary. Compete with friends, climb global leaderboards, and unlock new themes and wallpapers. Enjoy addictive puzzles and improve your mental math.


Convert numbers between decimal, binary, hexadecimal, and octal numeral systems. Supports integers from 0 to 2^31-1 in base ten. Ideal for students and developers needing quick number base conversions.




Explore the world of chemistry with interactive tools to build atoms, learn chemical bonds, and discover elements. Test your knowledge with engaging challenges designed for students, teachers, and enthusiasts.




Master number base conversions with this educational tool. It offers step-by-step solutions for decimal to any base conversions and provides over 12,000 practice assignments to solidify your understanding.












Easily switch numbers between various bases, from binary to base 62. Ideal for developers, students, and math enthusiasts needing quick and reliable conversions with fractional parts. Features include instant common base conversions, custom base support, and conversion history.


Apply vintage and retro filters to your photos. Share your creations after a 20-minute "development" period. Offers weekly and monthly subscription options with a free trial.


Learn chemical bonding through an interactive, game-like experience. Manipulate valence electrons to construct 2D Lewis dot structures and unlock rotatable 3D molecular models. Progress through increasingly complex challenges with guided learning and reflection.