SnapCalorie: Nutrition Tracker 12+

Photo Diary & Calorie Counter

Perception Labs, Inc.

Designed for iPad

    • 4.6 • 153 Ratings
    • Free
    • Offers In-App Purchases



SnapCalorie’s photo calorie counter is the easiest and fastest way to track your diet and nutrition. Simply snap a photo or record a quick voice note to log an entire meal or day. Our AI algorithm will instantly provide you with calories, macros, and over 100 micronutrients based on verified USDA database values.

Download now and enjoy a free 14-day trial! After your trial, SnapCalorie is available at $12.50/month (billed annually). The plan auto-renews unless canceled before the trial ends.

Do you only track calories?

No! We track all macronutrients and over 100 micronutrients. SnapCalorie's AI nutritionist can help you achieve a diverse set of dietary goals.

How accurate is it?

Our photo calorie counter is approximately twice as accurate as visually estimating portion sizes.

Our voice note algorithm is as accurate as the information you give it. Dictating gram values and ingredients as you place items on a food scale allows you to log your food with laboratory-grade precision and NO TYPING.

Don’t want to use a kitchen scale?

Our photo calorie counter can scan the exact volume of your food with the LiDAR depth sensor on your iPhone Pro or our voice note feature can assume average portion sizes if not specified.

How do you measure accuracy?

We were founded by a team of ex-Google AI researchers who co-founded Google Lens and Cloud Vision API. Our AI algorithm is the only one backed by peer-reviewed academic research. In our research, Nutrition5k, we collected a test dataset of 5,000 unique dishes, weighing every ingredient that went onto the plate. To evaluate our algorithm's accuracy, we ran the photo calorie counter on this dataset and compared the results to the true nutrient values.

Average expected error for a 500 calorie dish is +/- 80 calories on an iPhone Pro and +/- 130 on a regular iPhone. By comparison users eyeballing portion size visually were +/- 265 calories on average.

How does it work?

Snap a picture with the photo calorie counter and our AI starts by identifying the different types of food and where they are on the dish, like a nutritionist would. Next, if you have an iPhone Pro, we measure the food's volume with the LiDAR depth sensor. Our AI estimates portion size visually for phones without a depth sensor. Finally, we look up the nutritional values for that type of food and portion size in a trusted database (e.g., USDA) and sum up the totals for you!

If anything looks incorrect, you can fix it yourself OR send it back to our team of nutrition experts for review.

Over time, our photo calorie counter fine-tunes itself based on your specific data, learning from the corrections you make. Always eat meat alternative burgers? Our AI algorithm will slowly learn and adapt to you.

What about cooking fats and oils?

Cooking fats are challenging for anyone counting calories, and our algorithm is no exception. You can add voice notes to hint at the cooking method used or just adjust cooking fats after the initial prediction.

What if something is missing from your barcode database?

One of our favorite features is the ability to take a photo of a nutrition label. Our AI will type in all the values for you in seconds!

Do you integrate with HealthKit?

Yes! SnapCalorie allows you to push the nutritional information from meals logged through our calorie counter into Apple HealthKit.


What’s New

Version 112.2.0

Bug fixes and feature improvements.

Ratings and Reviews

4.6 out of 5
153 Ratings

153 Ratings

Brndnzlda ,

Great app! Are widgets coming?

Love this app. I don’t have the time or willpower to manually log my calories. This app gives me a quick and easy way to both have a calorie estimate for the day and a photo journal of what I have eaten. Makes me more aware of how much I am eating and make healthier choices.

Two features I would like to see are widgets and dark mode. Thank you for a great app!

Developer Response ,

Thank you so much for your kind words! We'll see what we can do on these feature requests and try to get them in as soon as we can. If you email us at we'd love to dig a bit further into making sure we get the features right based on what you want.

Gdkvhu ,

Didn’t work

So I post a meal that I ate and was waiting back for the results for some “ nutritionist” to get back to get with how many calories are in my meal and it said I would take 15 minutes so I waited before eating my food. After the 15 pass and nothing I just when and ate my food. the ad shows it as if you can get results back in like instant not in 15 minutes and also I didn’t get anything back from this “nutritionist” and I literally waited a whole day and the picture of my meal was then deleted as if I never posted anything. So I deleted my subscription and account. 🤷🏾‍♀️

Developer Response ,

Hi, thank you so much for your review. Sorry to hear your review took more than 15 minutes to come back.

We increased the delay before human review recently since we now have an option for instant results with our new AI model. We may have missed a spot to adjust the language about 15 minutes being the expected delay. We'd love to send you a gift if you try the new model and help us find the lingering text.

Just contact us at to redeem!

Nance Q ,

Easiest tracking app ever!

I’ve used many a meal tracking app before… paid and free. This is by far the easiest, most intuitive app I’ve tried. Makes logging super easy! I also really appreciated how inclusive the calorie & macros tracking survey was and love the at-a-glance nutrition label format of viewing entries.

App Privacy

The developer, Perception Labs, Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Contact Info
  • User Content

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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