GainGuy is a free diet assistant for people struggling with weight issues.

Start using today!

Not just any ordinary app

GainGuy is on a mission to build healthier communities.

Automatic Diet Planner

Fox News

Best Free Diet App

Lifewire Magazine

Most Complete meal planner


Want to gain weight but frustrated with apps that focus on weight loss?

Our app is available on any mobile device! Download now to get started!

What’s on your plate has the power to change lives, and we're here to make sure it's full of the good stuff.

10,000+ people are already using GainGuy

Simple, Effective & Free

Check out what you can do with GainGuy!

Can’t eat more? skipping meals ?

GainGuy’s gain planner lets you plan your meal and calories for maximum gains!

Don’t know what to eat?

gain tips & high calorie foods specific to your diet and goal!

Worried about gaining too fast or too slow?

Gain tracker tracks your goal and helps you maintain healthy gains!

Best of all?

it’s free ! no ads, no credit card, no nonsense!

I signed up! It’s refreshing to think that a fellow lifter is creating an app. Maybe it won’t feel like a cash grab and actually feel passionate.


Just signed up! I can’t believe there are no good apps for gaining weight, only for loosing 🙁


Super excited to see how this develops and evolves! Definitely a necessity for me!


This is very cool I’m signed up and I look forward to using it! Thank you for taking your time to do this!



We new friends!