This is a list of some of the best open source apps for iPhone. (Yes, they do exist.)
The simplest way to use private LLMs: Works fully offline and private when you don’t have internet. Runs models on-device optimized for Apple silicon.
Provides iPhone users with the ability to run AI models on device.
MLC LLM is a machine learning compiler and high-performance deployment engine for large language models. The mission of this project is to enable everyone to develop, optimize, and deploy AI models natively on everyone’s platforms.
Run AI locally with a large variety of models to choose from.
HuggingSnap brings smart vision AI to your iPhone. Using our smolvlm2 vision model, the app understands what your camera sees in real-time without sending any data to the cloud.
Not as good as most visual intelligence apps, but it is cool that it is open source.
Finally! An open-source Guitar Tuner that is designed for musicians who want real-time accuracy and smooth performance—without distractions.
A great tuner for any instrument.
A minimal chromatic tuner. Works well with any instrument, whether it's woodwinds, brass, strings or voice.
A very simple tuner.
TICK is an open-source metronome designed to run on almost any platform (and audio host).
If you need a very customizable metronome, this is the way to go.
Contains everything you need to practice. It includes metronome, and a tuner. It even lets you record your practice and keep a log of it.
Privacy-focused GPS app with offline maps and community development, featuring real-time navigation, no location tracking, and open-source software.
A great navigation app based on OpenStreetMap.
CoMaps is a new community-driven map app project born out of the desire to create a truly open, transparent, and community-focused navigation app.
Forked from Organic Maps.
Navigation app with offline and online OSM maps, turn-by-turn voice guidance, cycling and driving modes, GPX tracking, POI search, and monthly updates.
Navigation based on OpenStreetMap.
Free app for IRL streaming across Twitch, YouTube, and more with built-in chat, up to 4K 60FPS streaming, adaptive bitrate, and video stabilization.
Livestream from your phone.
Puts some cool NASA pictures of the day onto a widget on your home screen.
Moonwalk is a simple way to stay up to date with upcoming space launches. Discover which spacecraft will launch next, learn about the missions and get notified right before a launch. Browse the upcoming launches calendar, or read the latest space-related news right from the App!
Keep track of rocket launches.
Ejimo is a comprehensive emoji and symbol picker that puts every character you need at your fingertips. Whether you're a designer, developer or writer, Ejimo makes it easy to find the missing character you need. With over 3000 emojis and
Emoji keyboard with many different emojis.
UTM is a full featured system emulator and virtual machine host for iOS and macOS. It is based off of QEMU. In short, it allows you to run Windows, Linux, and more on your Mac, iPhone, and iPad.
Emulate desktop operating systems on iPhone.
This app provides a great way to turn any photo into a great wallpaper by blurring it.
Are you a good chef? Ready to get cooking? Do you want to save your own recipes and share all around the world? Create your recipe with ingredients and step-by-step instruction mode with Cuisiner! Making a delicious dinner for the entire family?
Keep track of your recipes.
Got your drivers permit? Now you need to practice driving in order to get your full license.
Useful for drivers with a permit. This app lets you log your drive time.
RTAB-Map (Real-Time Appearance-Based Mapping) is an Open Source LiDAR / RGB-D / Stereo Graph-Based SLAM (Simultaneous Localization and Mapping) approach based on an online incremental appearance-based loop closure detector.
Map out a location or room in 3D.
Migraine Log lets you easily log your migraine attacks (or other headaches). It is built to make it as easy as possible, only requiring a date and the strength of the attack, while allowing you to optionally add details like what medications you took and notes about the attack.
Log your migraines and headaches.
Thanks for stopping by and checking out some great open source apps for iOS. If you have any suggestions, let me know.
Comments
You could add Spliit, which has an iOS app and a PWA. It's a free and open source alternative to SplitWise and Tricount
Spliit
Great suggestion! I just added it. I'm surprised I haven't seen it before. 😉
Great update ! I discovered multiple new interesting open source app for iOS, thank you !
Good list of cross-platform apps. I gave up on iOS a while back and I use quite a few of the listed apps.