# DayTwo: Personalized Nutrition — user reviews > 32 indexed App Store user reviews of DayTwo by DAYTWO LTD, rated 3.50/5 from 71 ratings. - Source: https://appshunter.io/ios/app/daytwo-personalized-nutrition/id1156802616/reviews - App overview in markdown: https://appshunter.io/ios/app/daytwo-personalized-nutrition/id1156802616.md - Rating breakdown: 5★ 37 · 4★ 3 · 3★ 7 · 2★ 6 · 1★ 18 ## Newest reviews (10 of 32) ### 2/5 — Yael Lotan *2021-01-10* This app is difficult to use and suffers from annoying bugs such as prompting a message about the kit being delivered EVEVRY time you open the app. Also, I was expecting to have a way to add comments to the food diary but no such (basic) ability is to be found. Overall I think this app is not working well enough to be used on a daily basis for the long run. ### 3/5 — Needs Apple health kit integration *2020-01-12, version 1.25.1* A helpful little App but needs to be integrated with Apple Health kit to be truly useful. It’s not hard people just do it! Pure laziness not to integrate. ### 1/5 — Difficult *2019-07-30, version 1.20.0* This app crashes a lot. Not at all clear if any of it is personalized. Search function is cumbersome and inconsistent. A waste of money! ### 1/5 — Works for me *2018-12-18, version 1.18.5* losing weight nicely. blood sugar level going down. app is user friendly. I think day two are on to something new and exciting in the fields of sugar metabolism control, weight loss, nutrition management and health. ### 5/5 — Amazing *2018-12-17, version 1.18.5* A life changing app -- I feel like a new person ### 5/5 — App is very helpful to maintain energy levels *2018-12-09* You have to “play” with the app a bit - but very quickly you can figure out what foods maintain your sugar/energy levels. If I choose wisely, I don’t end up in a food como - somedays, however I roll the dice and pay the price. The good news is, I know why I’m exhausted and don’t have any energy. As to the people who are irritated by the fact the app doesn’t give you the “why” - it’s a complicated algorithm based on your gut microbiome, you’ll have to trust the math. Do some testing on your end - eat the foods they recommend avoiding and see how you feel. ### 2/5 — Frustrating app *2018-09-20* The food items are hard to find....plain items such as coffee with milk take for ever to find. Too many Mc Donald items. Average person concerned with health and/or sugar spikes will not be eating at McDonald. Dificulte to transfer your meal to the daily diary function....A bit frustrating ### 2/5 — Meal diary very confusing *2018-08-24* I tried today to keep tabs of my meals, but by dinner, it was impossible to separate out what I had for breakfast and lunch from what I was trying to list for dinner. There is no ‘start a new meal’ function that I could figure out. Great idea, badly implemented. ### 1/5 — This is a waste of money! The app is terrible... *2018-08-06* Do not buy this test/app. They give you no personal information whatsoever besides a number. No information on why a food is good/bad for you. Their expectation is that you trust the numbers they give you without the "why". They took away the microbiom tab, so you get no information on the strains of bacteria. And their "orientation call" is only to show you how to use the app... ### 1/5 — Do disappointing *2018-04-07, version 1.16.1* The app is very disappointing. Very little data and hard to find food. Developers should allow users to add items and link barcodes. ## Most critical reviews (10 lowest-rated) ### 1/5 — Poor change to app makes it not worth using *2023-06-20* I thought this app was much better before they changed the data display. You used to be able to keep a running total score for the day of all the things you have eaten. That is no longer available as the app only does a single meal relative to the scoring. This makes it much less valuable as I can’t know how I did on a given day which is much more important than a single meal, snack or beverage. As a result I rarely use the app anymore and no longer recommend it. Support told me they wants people to focus more on individual meals and not get disheartened by a bad day. Thanks big brother but the app was better before. I like using the full data how I want to use it. ### 1/5 — By far the worst way I wasted money ever. *2022-06-01* Find another company. This one is useless. They give you no information on what food is good for you or bad for you they mostly give you recipes lol. This company is a joke. ### 1/5 — Great idea, very poor execution *2022-01-24* I really liked the idea behind this company, but I have to say the app is not delivering in all of the promises. There’s no way (at least not that I found) to really understand what are the better foods for you as a person. You instead of getting a list of items to consider you have to do it by trial and error. Enter a meal and we’ll tell you whether it’s good for you or not. Good luck using this app ### 1/5 — Much better ways to get more accurate information *2021-04-08, version 2.6.0* This product is in beta still but I have used two other beta health improvement products this last year that were light years ahead in their product quality as well as their communication about the product and product problems. I ordered this product about the time I got a continuous glucose monitor (CGM) to monitor my blood glucose (BG), hoping to improve my health. The hope for this app, based on their product description, was to get similar feedback about what foods specifically were best for me to eat to improve my health, including BG levels and A1C. After all that is what they advertised their product did. When I used daytwo to check out foods the CGM showed were bad for me the daytwo showed most of these food had a score of 9 or higher. These were the same foods that had raised my fasting BG and A1C over the years. DayTwos response was that a BG level of 180 after eating was acceptable in their app. They base that on the fact that someone long ago decided it was ok for diabetic type I patients to be that high. However those same people also say diabetes is a degenerative disease and once you have it (including type II diabetes) you will over time get very severe health conditions and die early. As a potential user of this app, I suggest you look at some of the groups using the last 20 years of research and clinical data regarding managing diabetes (type I and type II). Type I diabetics, using a CGM are able to keep their blood sugars stable between 70 and 110 and avoid the wild roller coaster ride of BG steep rises and falls while not only improving their immediate health but also improving their long term health and life length. Type II diabetics can do this even easier. There is no reason to set the bar so low foe improving health (allowing spikes up to 180). There are also other big issues. As others have said the database has problems. Food was severely limited. They loaded in a lot more foods but often the same food shows up multiple times and with different ratings (e.g. one fresh raw ingredient showed 5 of that item rated 9s and one of the exact same ingredient and amount rated a 2. So do you eat it or not. The only way to enter a food not in the database is to send an email with pictures of the labels. No acknowledgment or feedback it was entered. Some I sent were there a couple weeks later, some never showed. The database has recipes. You enter chicken and it will show you recipes that contain chicken. You can sort them by score. However it gives you only the ingredients, no instructions so you are guessing how to make that meal. Communications are very slow (weeks for a response commonly) and often the answer is very brief and not compete. Overall there are products that will inform you what foods specific to you) will improve your health much more accurately than this one will and are much easier to use with much better support. ### 1/5 — Lazy design and presentation *2020-10-05* No way to get any kind of comprehensive report with food ranking. You have to click on arbitrary categories to see a bunch of random foods or search ad hoc. Really the laziest and most useless form of presentation. Support is nonexistent. Simply kicks you to a worthless FAQ. Looks like this service has abandoned further development even though it’s still accepting people’s money. What a waste of money! ### 1/5 — No barcode scanner *2020-05-03* Today, having a barcode scanner is bare minimum. My guess is that you don’t have it because your food inventory database isn’t very extensive. I will continue to use MFP until you figure out how to do it or tie into their database. This is the number one issue I have with your app. ### 1/5 — Why so expensive *2020-01-13, version 1.25.1* It’s hard enough to buy healthy food. No way I can afford this too :( ### 1/5 — The app crashes every time *2019-10-26, version 1.23.1* When adding a meal to the diary, the app crashes and you have to load it all over again. Annoying. ### 1/5 — update ruin it *2019-08-26, version 1.22.1* Now the search just spins and spins I dont understand why developers are allowed to change the apps constantly? most often for the worse ### 1/5 — August 2019 version of app=waste of time *2019-08-17* It’s suddenly become hard to find foods. Particularly an individual food like a fresh fruit, a bread roll, common coffee drinks, etc. Scores don’t show until you’re two minutes and three or four steps into finding a food. Potion sizes can’t be modified and come in hard to define sizes like ounces. What is an ounce of cooked beans? I have no idea. Having a report about test results is a nice new feature (I will take it to my next naturopath appointment!), but given the uselessness of the app, you’re left having paid hundreds of dollars for a system that doesn’t effectively or easily guide your food choices. This might be a great technology in 3 or 5 years, but it’s certainly not worth a $500 USD investment right now, in 2019. ## Most praised reviews (10 highest-rated) ### 5/5 — Magic *2024-09-11* I’ve been a DayTwo member since the early days, almost 6 years now. I’ve used the app on and off over that time and they continue to make improvements. Even though I am not diabetic, diabetes runs in my family. Now that continuous glucose monitors are available over the counter, I’ve gotten one and am blown away by the ability of DayTwo to predict my glucose response. It’s amazing!!! I have NO idea why every major news outlet isn’t covering what they’ve achieved. Last week I was on a plane and had with me English toffee and string cheese. I wanted to buy a nip of baileys and make an Irish coffee. I didn’t want to spike my sugar because there was no way to exercise off the extra glucose. I entered what I wanted into the app, hit the AI button and it told me I could have a piece of toffee, two pieces of string cheese and my Irish coffee. It was right! I had my treats and my glucose hardly moved. I’ve learned bread and rice are pretty much poison for me and chocolate is usually okay…. But that’s what makes the app genius… I don’t have to guess. It tells me and it’s correct. (My doctor even tested my postprandial insulin response and that was improved too.) I get to eat a huge variety of food and I’m always satisfied after a meal. I don’t have that urge to keep eating. I feel like I finally have control AND flexibility. The new’ish AI feature is awesome! The latest update is a bit slow to load but I’m sure they’ll fix that. I highly recommend the DayTwo program! ### 5/5 — Solid, well written app *2023-06-16* I have found this app very useful in tracking my health. The app is rock stable, runs smoothly, and has a vast food database that rarely comes up empty. It’s easy to use. ### 5/5 — DayTwo *2023-06-16* Using this app. I have lowered my a1c from 7.5. To 5.8. Also has helped me lose 50 pounds. As well as changing my eating habits ### 5/5 — Custom nutrition guidance *2021-01-11* This is the only app focused on blood sugar personalized to my body’s sensitivity to specific food. I’ve done all the blood sugar testing myself on various foods in the microbiome testing from day two is pretty close to what my tests showed. No other app can do that. ### 5/5 — Much Improved Version *2020-12-02* This new version is a fantastic improvement over the old one. It now has lots of fast food restaurants in their menu items listed. Also lots of namebrand products. It is actually useful now! Diabetes is pretty much under control, but this app will let me expand my menu choices greatly. ### 5/5 — Motivation + Discipline + This App= Great Results *2020-08-27* For me, and maybe for you, this eating system is like finally finding the light switch after fumbling in the dark for 40 years. Tallying up every item in a meal, every meal, every day means no more delusional thinking that “this little cookie won’t matter.” For me, weight loss results came reliably and steadily. HbA1C is improved. ### 5/5 — Life changing, in the best way. *2020-06-15* I made a promise to myself that I would go along with whatever foods they suggested but was pleasantly surprised to find that they suggested many foods I enjoy. I’m someone who once lost 100lbs in a year, only to slowly gain it back so I’m no stranger to overhauling my eating lifestyle. Once I started a diet that is more gut health focused I found myself with more energy than I expected. Overall I feel great whenever I eat less carbs and more protein with healthy fats. It’s been very simple to combine good foods that previously weren’t part of my diet (tempeh, kimchi, coconut oil) with sauces, spices and other foods I I love without ruining my Day Two score. I never have post meal energy crashes and when people ask me how I’m feeling, I’ll never say ‘tired’ again. Now I only crave foods based on feel rather than taste, a total game changer. Definitely the best investment I’ve made in my health. Highly recommended! ### 5/5 — Insightful and easy *2019-03-06* Could feel the difference right away and was able to use app in my life with no trouble ### 5/5 — Raquel *2018-12-17, version 1.18.5* It’s really helping me manage my glucose levels! ### 5/5 — BigT *2018-12-17, version 1.18.5* My Hba1c has actually gone down! Unbelievable.... --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*