Fritzing Alternatives for iPhone
Fritzing is not available for iPhone but there are a few alternatives with similar functionality. The most popular iPhone alternative is 
iCircuit. It's not free, so if you're looking for a free alternative, you could try 
Wokwi Arduino Simulator. If that doesn't work for you, our users have ranked more than 50 alternatives to Fritzing, but unfortunately only two of them are available for iPhone. If you can't find an alternative you can try to filter for web or SaaS options.
- iCircuit is the easy to use electronic circuit simulator and designer - the perfect tool for students, hobbyists, and engineers. View 40 alternatives to iCircuit
- The app is used to draw circuits as well as simulate the Arduino Code right in the browser. Wokwi Arduino simulator creates diagrams as well as actually runs tie application code on the AVR8js platform. View 4 alternatives to Wokwi Arduino Simulator