Marvelapp.com — Design, prototyping, and collaboration, free plan limited to one user and project. - Source: dev.to / 4 months ago

At this stage your main goal should be to prototype it and test it with people to validate the idea. Or at the very least have something people can look at and respond to. Don’t worry about building a coded and working version yet. Start with a clickable prototype which can be built using design tools. Most people use Figma these days but if you’re just starting out you could use something like Marvel, which is... Source: about 1 year ago

Marvelapp.com — Design, prototyping and collaboration, free plan limited to one user and one project. - Source: dev.to / over 1 year ago

Hi, I am doing research on some of the user testing tools out there like lookback.io, Marvelapp.com, maze.design, usabilityhub.com, userbrain.net, usertesting.com, userzoom.com. I would like to know about your experience. Source: over 1 year ago

As far as I can remember, I saw https://marvelapp.com/ doing it to add a prototype to the homescreen. Source: about 2 years ago

Wifi calling can be totally free if you bypass the wireless carriers. I make free video calls all the time. The gotcha is that the person on the other end has to run the same software as you. Part of what you pay the wireless carriers for is the universal compatability. Personally, I like this: https://twin.me/en/. - Source: Hacker News / about 1 year ago

1) Take any old Android phone which you probably have lying around 2) Install TwinMe https://twin.me/en/ 3) Talk, text, HD video chat P2P over Wifi You're welcome. - Source: Hacker News / almost 2 years ago

Personally, I avoid all things Google whenever possible for this reason. For video chat, I use https://twin.me/en/. - Source: Hacker News / almost 2 years ago