Keto Diet App - Free Download Keto Diet App - Free Download
Take the guesswork out of following a low-carb diet, lose body fat & feel great!
KetoDiet app is FREE to download!

90-Day Keto Weight Loss Challenge

4.2 stars, average of 20 ratings

This post may contain affiliate links, see our disclaimer.

90-Day Keto Weight Loss ChallengeShareFollow us 261.1k

With the brand new look and functionality of my blog completed, it's time for another Keto Weight Loss Challenge! Based on your feedback and requests, I've put together a new 90-day challenge to help you get in shape and feel great - just in time for summer :-)

My previous 30-day challenge was a great success and those who took part lost extra pounds, felt better and the lucky ones also won well-deserved prizes! You can read more about the results and tips from many of the participants in my post here.

Just like in my previous challenge, you won't need to use my app and it's completely free. If you are new to the ketogenic diet, make sure you read the Keto & Paleo Guide and also check out the Start Here page that will guide your through my blog and the ketogenic diet.

Throughout the challenge, I'll be sharing recipes and tips on my Facebook page, and on the KetoDiet support group so don't forget to join us.

Details of my Challenge & Giveaway

The challenge will start on 30th March 2015 and will last 90 days (30th March - June 28th). Don't worry if you miss the beginning - you can always join us throughout the challenge!

Choose from two approaches

  1. You can keep the challenge strict by following my Clean Eating Diet Plan which I posted in January 2014. It's dairy-free and sweetener-free. Here are two sample meal plans for this approach:

    7-Day Grab & Go Keto/Paleo Diet Plan (most popular diet plan that is easy to follow)
    7-Day Diet Keto/Paleo Diet Plan

  2. Or follow a Regular Keto Diet Plan - dairy and small amounts of low-carb sweeteners are allowed. To help you stay on track, here is a sample 2 Week Ketogenic Diet Plan

Need to know what to eat and what to avoid? Have a look at the Keto Diet Food List - you can even print it out and have it with you!

To stay motivated, join our KetoDiet Support Group!

90-Day Keto Weight Loss Challenge

How To Join: Giveaway worth over $2,000 at the end of the Challenge!

To motivate you even further, I will be giving away three iPad Minis 3 and even more prizes worth over $2,000 in total!

The rules of my giveaway are simple:

  1. Subscribe to the KetoDiet Newsletter to get weekly updates, tips and recipes to help you stick with the challenge.

  2. Send me your starting stats at (weight or measurements, photos, etc). Don't worry if you missed the beginning of the challenge, you can send me your results any time during the challenge.

  3. Send me your final results and any tips you'd like to share with others at by July 5th. Don't worry, I'll keep reminding you so you don't forget :-)

  4. When the prizes are announced, I will share your progress stats the same way I did in my previous challenge. Don't forget to mention if you don't want your progress pictures to be shared. I will not share your email or surname with anyone.

When the challenge is over, all the participants will have an equal chance to win - the winners will be chosen randomly, not based on weight loss results. My aim is to promote healthy and gradual weight loss. I wish you all good luck!

The giveaway will only be limited to the US, Canada and UK. However, everyone can take part in my challenge to feel and look great!

Do you like this post? Share it with your friends! 

Martina Slajerova
Creator of

Martina Slajerova

I changed the way I ate in 2011, when I was diagnosed with Hashimoto’s, an autoimmune disease that affects the thyroid. I had no energy, and I found it more and more difficult to maintain a healthy weight.

That’s when I decided to quit sugar, grains, and processed foods, and to start following a whole-foods-based ketogenic approach to food.

Let us know what you think, rate this post!

Comments are closed

Comments (111)

I was just wondering when your next 90 day challenge be?

Hi Darla, it will be sometime in mid July. I'll announce the details soon (on my Facebook page, blog and newsletter). The next challenge will be a 60-day one 😊

Still plugging away on the 90 day challenge, doing well, and enjoying it thanks to your blog and app.  I think this time I will be able to say that I have successfully changed my eating approach and habits in a way that will be sustainable for the rest of my life.  Thanks, really appreciate your great recipes.

That's amazing Fred, so happy to hear that! This way of eating is for life 😊

I am so sad that I'm didn't find your site until this challenge was almost over. When are you going to have your next challenge?! I would absolutely love to join!

Hi Britt, yes, I'm planning to have one challenge after another so stay tuned because the next one will start soon (planned for mid July) 😊

That is great to hear! I'm excited and will definitely be joining!! Your site is great and love the recipes I've tried so far. I wish I could purchase your app but don't have an iPad at the moment. Thanks for hosting these challenges and for all the information you're sharing!

Thanks! We actually have plans for more platforms - universal app for iOS and Android coming this year. Make sure you subscribe to the newsletter so that you don't miss the next challenge 😊

I'm very new to the keto diet. I don't have weight issues, i just want to be healthy. I'm having the hardest time changing my habits in reaching for the low fat but instead reaching for the fatty meats and cheeses and whole milk, etc. so, I'm glad I found your blog. I love the encouragement on here and learning all I can about this new way of life.

Thank you Estela! 😊

I have been on the diet for five weeks and haven't lost a pound.  In fact I think I might have gained.  This is not a big issue for me since my primary reason for being on the diet is irritable bowel syndrome.  Since beginning the diet I haven't had any stomach problems except when I tried using coconut flour.  For some reason even one bite of the coconut flour sends my stomach into fits.  According to the ketodiet buddy I should eat 25 gems of carbs, 54 gms of protein and then vary the fat from 43-118 gms depending upon whether I want to maintain my weight or lose.  In the beginning I had trouble keeping the calories down.  I think it was because I was eating too much protein and then would eat more fat in order to keep the percentages of fat to protein within reason.  Also I started using NuStevia in my coffee (it has 1gm of carb from the maltodextrin in it).  So I stopped sweetening the coffee (ugh) and now keep the protein at 54 gms and the calories below 1000. Normally I would just exercise to get the pounds off, but I have Chronic Fatigue Syndrome so I can't exercise as normal folks do.  If anyone has any suggestions as to how I might speed up weight loss I would appreciate hearing them.  I only need to lose about 5-10 pounds, so my health issues are more critical than losing the weight, but it would be nice to lose. I have no problem staying within the limit for carbs, in fact I often eat much less than the 25 gms.  I will post this on the Facebook page as well in case someone there might have some insight. I am still experiencing the bloating from the IBS and can't figure out what is causing it.

Hi Tara, I think you should up you calories, 1000 kcal is way too low. KetoDiet Buddy may give you these numbers but I also have a warning above the calculations that it's not advisable to go below 1000 kcal. In fact, I'd try to aim for at least 1400-1600 kcal, even if it calculated as "weight maintenance". The reasons why these calculations are sometimes low are explained in the post below the calculations: KetoDiet Buddy - Easy Macro Calculator for the Ketogenic Diet I think you may need a personalised diet plan that will fit you better - Franziska Spritzler is a low-carb dietitian and one of the experts in this area so she may be able to help you.

Hi Tara,
Are you IBS-C or IBS-D?  I am asking because I need to find some relieve for my IBS and I cannot stand taking the pills because I think I may start growing stuff, I don't know what's in these pills

Love the results I been getting with this new way of eating.  I am no longer bloated and my IBS is manageable. Thanks for all the recipes and efforts. 😊

That's awesome Maggie!!

I should add my primary reason for following the keto diet is for health not weight loss.  I have chronic fatigue syndrome and irritable bowel syndrome. Since finding this site and starting the diet my stomach has been fine and my energy levels have improved after only three weeks.  Good luck to everyone.

That's great Tara, I'm glad you feel better on a LCHF diet - keto on! 😊

II am in too. I love this diet and the app is sooo convenient and helpful. Your recipes
inspire me and I have been eating more nutritious meals since I started using the website and app.

Awesome! Thank you Tara! 😊

HI - I WISH I had known about your blog sooner! I love i! It's so easy to understand they way you put forth your information, and there is so much to learn! I would like to join the challenge even though it's a month in. It'll be great motivation. What measurements do we need to take? Anything in particular that needs to be included?

Hi Nikki, thank you!! Of course, you can join us any time - it's never too late! 😊 You can send me anything you like - it's up to you what you'd like to keep track of (measurements, weight, photos). Even if you send photos, I won't publish them unless I get your approval.

Is it too late to join? The Facebook page appears to be unavailable.

Hi Victoria, sure you can still join us! I just checked and it worked for me - maybe internet connection issue?

I'll be doing a 70-day challenge as starting now. I need to regain focus as Easter has totally derailed my eating plan. I had lost 20kg up to now  but thanks to chocolate Easter eggs, I have struggled to get back into swing. I am just thankful that I haven't gained weight or measurements (in fact those have gone down). Thank you so much for your wonderful blog and hard work.

That's a great achievement Sharon! Thanks for joining! 😊

I have been doing Keto for 6 weeks, and I have lost only 5.5 pounds. I have not taken my measurements yet, although I know I have lost inches. I know I am late to the challenge, but I really need the motivation to continue.  I am in!

Hi Sharon, you can still join - even if it's just 60 days for you. Just follow the steps above. Also check out your macros: KetoDiet Buddy - Easy Macro Calculator for the Ketogenic Diet

I have been paleo for over two years and have been wanting to go keto for a while now. Your website has really helped me feel prepared to actually make that leap, thank you so much! I have felt really overwhelmed with the idea of keto for a while, but your site provides so much usual info. I am also anxiously awaiting your android app. Is it possible to still join the 90 day challenge now?

Thank you Kassy! Yes, we have other devices / platforms in our to-do list! Of course, anyone and at any time can join. It's a 90-Day challenge but you can join even for 60 days 😊

Hi, love all the things on the blog...eagerly awaiting your android app!
Started the Keto lifestyle about 3 weeks ago after 'doing' Atkins several times over the last 12-13 years.
Now at 58 things just dont seem to be moving but.....i'm not giving up! The 90 day Challenge will keep me motivated. Thanks for all your support and from another Brit too!

Thanks for joining Jane!! 😊

Im maybe late just find u and im willing to join u girl and boys. im ready.

It's never too late to join us - just follow the steps 😉

Hello, I am wondering if there's any updates regarding the Android Version of your App?

Hi Tania, not yet. However, we should know when about it's going to be done in the next few months - I will keep you updated 😊

So far I've lost about 10pounds (started at 212, currently at 202). I'm sure this is initial water weight.
The ketostix read medium. No real headaches or anything to report. I did feel a bit cold until I added a little more butter an salt.
So far, so good. 😊

Awesome! Thanks for joining Mike 😊

FINALLY broke 200!
Currently at 199. Hovered around 202-208 for a while.

That's awesome Mike, well done!!!

I need to try something different, weight watchers is just not working for Me anymore. I'm stuck and I need help so count me in👍☺️

Good luck and thanks for joining Jackie!

Hi Martina, So very excited about this....I have been doing Keto since~ March 20th....this is exactly what I need.  Love your blog and your recipes!

Thanks for joining and your kind words Linda! 😊

I sent you my weight and as I use the keto diet all measurements are on that.  I posted a question on the FB page.  What else do you need?  If it's a picture I'll scan in one.   I thought I had a handle on this, but no.  I have purchased all the meal / recipe packages but can't seem to find the diet linked ones.  
A more mundane question.  I would like to be able to see the whole page on my iPad.  How do I change the zoom?  

Hi Marion, the blog view that you see in the app is a different view - it's our blog integrated in the app with all posts visible - it's not the same as browser view. If you want to see the whole web view, you will have to open the blog in your browser (go to
It's up to you - if you want to share just measurements and/ or weight, it's fine - just make sure you send it to me via email (follow the steps to "join"). I'm not quite sure what you mean by "diet linked"? All recipes can be used in the challenge / for the keto diet. I didn't set any strict rules of meals to eat every day - you can use recipes from the app or follow one of the sample diet plans mentioned in this post. I'll have a look on FB - if you want me to reply to your question posted to the KetoDiet Support Group, make sure you tag me so I can see it (you'll find me in "admins"). Hope this helps 😊

I'm in.
BTW if you have sugar cravings, l-glutamine helps a bit.

Great! Yes it does - just like chromium picolinate.

How do I join?   Ready to get started!

Hi Windy, just follow the steps (How To Join) and you're in 😊

So I've been trying to follow the Keto diet for about month, and I've actually done quite well considering the fact that I have 3 kids, and work full time. But unfortunately I strayed, and I just read your challenge and giveaway, and have signed up. Something about has me motivated to really get serious about and do the 90 day challenge. Hope I'm not starting to late.

Thanks for joining Cora!

I'm so excited about this challenge! I sent my pics to you this morning. Even though I sent a picture of my weight on the scale, I honestly only weigh myself only once or twice a year when I go to the doctor's office.
I have been dipping in an out of the keto diet since February of this year and I've had great success with Paleo in the past. I love the Paleo/Primal way of eating but I just got off track for a couple of years.
Doing this challenge will be just the motivation I need to stay on track and not let the stresses of life drive me towards crappy food😊

Thank you for joining Vee! If I haven't replied yet, it's because I receive MANY e-mails every day but I'll reply as soon as I can, probably tomorrow 😊

Load more comments, 56 remaining