Stay updated on gravitational wave events with real-time alerts from the LIGO/Virgo/KAGRA Collaboration. Explore event locations on an interactive sky map and access educational resources about gravitational waves and observatories.






32+ iOS apps & games curated and reviewed
From beginner-friendly picks to power-user tools, our peter kramer list covers 32+ iPhone apps and games updated through June 2026. Compare ratings, prices, and screenshots in one place.






Stay updated on gravitational wave events with real-time alerts from the LIGO/Virgo/KAGRA Collaboration. Explore event locations on an interactive sky map and access educational resources about gravitational waves and observatories.






Analyze stock and option positions with this financial tool. Explore hedging strategies, create diversified portfolios, and visualize potential gains, losses, and Greeks. Understand price and volatility impacts on your investments.





Draw with your finger on a shared screen with friends. Choose from multiple colors and line sizes. Connect wirelessly to collaborate on drawings or play two-person games.


Monitor your stock portfolios with real-time quotes and color-coded displays of gains and losses. Supports Apple Watch complications for quick updates and allows tracking of mutual funds using proxy stocks. Manage multiple portfolios and sync them across devices.


This interactive app helps toddlers learn to use an iPhone/iPad by touching colorful houses to release birds and hear their songs, with expandable features and personalization options. Discover a fun way for your little ones to explore and create memories with colorful visuals and audio messages!


Create and view your own 3D virtual reality panoramas using video capture or existing photos. Experience immersive depth perception with a stereoscope or by crossing your eyes. Share your creations via email.


Play the ancient game of Go with friends on your iPhone or iPad. Connect two devices locally via WiFi or remotely using Game Center for real-time play. Features include adjustable board sizes, handicap stones, and automatic scoring.




This app provides a virtual deck of cards for playing various card games with others. It supports multi-device play via Game Center, WiFi, or Bluetooth, and offers features like shuffling, dealing, and hidden hands.


Track expenses, group them by category, and email detailed lists. Supports multiple currencies with user-defined exchange rates. Organize custom categories and subcategories for comprehensive financial overview.


Navigate through a variety of 2D mazes with customizable wall visibility and helpful features like breadcrumbs and a timer. Offers a free set of mazes with an option to unlock thousands more.


Practice stock trading with a virtual portfolio using real market data. Build a diverse portfolio, execute various order types, and compare your performance against the S&P500 and other users. Track dividends, splits, and key financial metrics.


This app automatically counts laps and tracks swim times on your Apple Watch. It detects stroke type and count, and graphs your performance on a paired iPhone. Enjoy a large font display for easy viewing during your workout.


Test your color perception with this game. Match random colors using RGB, CMY, or HSB modes. Unlock millions of colors with an in-app purchase.


Transform any trail map into a digital GPS guide by adding location pins. Follow your real-time position on the map, whether it's from a photo, website, or PDF. Saved maps are shared globally, with an optional token for extended tracking.


Receive instant alerts for imminent galactic core-collapse events. This app supplements a global network of neutrino experiments, providing notifications for potential supernova events. It includes a sky map, links to astronomical resources, and public message boards for community interaction.


Explore a variety of multidimensional mazes, from simple lines to complex 4-dimensional tesseracts. This free game offers customizable maze sizes and optional aids like showing the best move. Upgrade to unlock a vast library of mazes.


A tilt-sensitive arcade game where players link and explode colored paintballs. Compete with friends on leaderboards for high scores and unlock more levels through in-app purchases. Experience realistic physics and varied explosion sounds.




Experience a 3D twist on the classic logic puzzle. Uncover squares on stacked minefields, avoiding hidden mines. The game offers multiple levels of complexity and various minefield sizes.