Image of DietBet player Tayla smiling and laughingImage of DietBet player Tayla smiling and laughing

The most fun you'll have losing weight

The social game with a supportive community

Get started now!

Want to lose 10%?

Want to lose 10%?

Join our exclusive Transformer

Join our weekly Transformer DietBet.

Play now

Started last Monday

Want to lose 4%?

Want to lose 4%?

Join our weekly Kickstarter

Join our weekly Kickstarter.

Play now

Starts on Monday

Host a DietBet

Host a DietBet

Start a DietBet with your friends and family!

Start a DietBet with your friends and family!

Create game

How to play

How To Play - Three women sitting and encouraging each other
1

Choose a game

Find a game that fits your weight-loss goals, timing, and bet.

Bet on yourself - woman smiling on the beach
2

Bet on yourself

Place your bet, weigh in with our Refs, and feel the motivation kick in.

Woman wearing apron preparing a meal in her kitchen.
3

Lose the weight

Get help from the game’s host and other players as you stay focused.

A group of woman high fiving each other outside.
4

Cash out

Winners get back their bet plus a profit. It pays to bet on yourself!

Slide 1 of 4
  • How To Play - Three women sitting and encouraging each other
    1

    Choose a game

    Find a game that fits your weight-loss goals, timing, and bet.

  • Bet on yourself - woman smiling on the beach
    2

    Bet on yourself

    Place your bet, weigh in with our Refs, and feel the motivation kick in.

  • Woman wearing apron preparing a meal in her kitchen.
    3

    Lose the weight

    Get help from the game’s host and other players as you stay focused.

  • A group of woman high fiving each other outside.
    4

    Cash out

    Winners get back their bet plus a profit. It pays to bet on yourself!

Swipe to learn more →

Find a game
Fresh fruit and vegetables next to glasses of healthy drinks.

It works!

1,044,117players
15,326,068pounds lost
$101,668,824paid out to players

Featured games

Lose 10% in 6 months

Season Changes Mega Transformer - $1,000 in Prizes!

Hit your health goals in time for the new year and beyond. Plus, you could win a DB squat machine and more ($250 value)!

$75
bet
174
players
$69,300
pledged
Play game

Lose 4% in 4 weeks

Stay accountable with GetfitwJessica

Make a goal and stay accountable with our weight loss community!

$35
bet
1,074
players
$37,590
pot size
Play game

Lose 10% in 6 months

The Adventure Transformer - Win Camping Gear!

Make losing 10% in 6 months feel like an adventure, plus the chance to win camping gear for the perfect cool weather escape!

$35
bet
256
players
$47,110
pledged
Play game

Lose 4% in 4 weeks

Fall into Fitness with Megan Davies

Join MBF creator Megan Davies as she hosts her first DietBet game.

$35
bet
379
players
$13,265
pot size
Play game

Lose 4% in 4 weeks

Crushing Fall w/Franny + lots of challenges

Weekly workout challenges to help you get moving and win your bet!

$35
bet
208
players
$7,280
pot size
Play game

Lose 4% in 4 weeks

Felicia Fitness Health's October DietBet

Lose weight and gain helpful tools for a sustainable lifestyle!

$35
bet
408
players
$14,280
pot size
Play game
Slide 1 of 6
  • Lose 10% in 6 months

    Season Changes Mega Transformer - $1,000 in Prizes!

    Hit your health goals in time for the new year and beyond. Plus, you could win a DB squat machine and more ($250 value)!

    $75
    bet
    174
    players
    $69,300
    pledged
    Play game
  • Lose 4% in 4 weeks

    Stay accountable with GetfitwJessica

    Make a goal and stay accountable with our weight loss community!

    $35
    bet
    1,074
    players
    $37,590
    pot size
    Play game
  • Lose 10% in 6 months

    The Adventure Transformer - Win Camping Gear!

    Make losing 10% in 6 months feel like an adventure, plus the chance to win camping gear for the perfect cool weather escape!

    $35
    bet
    256
    players
    $47,110
    pledged
    Play game
  • Lose 4% in 4 weeks

    Fall into Fitness with Megan Davies

    Join MBF creator Megan Davies as she hosts her first DietBet game.

    $35
    bet
    379
    players
    $13,265
    pot size
    Play game
  • Lose 4% in 4 weeks

    Crushing Fall w/Franny + lots of challenges

    Weekly workout challenges to help you get moving and win your bet!

    $35
    bet
    208
    players
    $7,280
    pot size
    Play game
  • Lose 4% in 4 weeks

    Felicia Fitness Health's October DietBet

    Lose weight and gain helpful tools for a sustainable lifestyle!

    $35
    bet
    408
    players
    $14,280
    pot size
    Play game
See all games

Join the community

Ashley O

“I loved the motivation from the other players, it wasn’t about the money.”

Ashley O.

Matthew K Testimonial Image Lo Res

“Since playing DietBet games, my kids have been picking up on my healthy lifestyle changes."

Matthew K.

Adrienne Before and After Image Regular

“I’ve gained control over my emotional eating habits.”

Adrienne A.

Slide 1 of 3
  • Ashley O

    “I loved the motivation from the other players, it wasn’t about the money.”

    Ashley O.

  • Matthew K Testimonial Image Lo Res

    “Since playing DietBet games, my kids have been picking up on my healthy lifestyle changes."

    Matthew K.

  • Adrienne Before and After Image Regular

    “I’ve gained control over my emotional eating habits.”

    Adrienne A.

White DietBet app icon.

Get the app

Five white stars in a horizontal row.

love this game!!

⁠–⁠ Hannah Newar

Or send a link to your phone

DietBet app on phone on intro screen.