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Two apps compared, not ranked

Cal AI vs SnapCalorie

Both log a meal from a photo. Cal AI leads with a trial and adds a barcode scan; SnapCalorie's pages mention a free daily allowance and voice commands. Each also prints an accuracy figure for itself, in different terms, so we show both as the apps' own claims and do not compare them.

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Head to head

Cal AI and SnapCalorie compared on 8 points, in alphabetical order
Cal AISnapCalorie
Logs a meal from a photoYes. Photo scan; the home page says the phone's depth sensor helps estimate volume[1]Yes. Snap a photo, get nutrition info[3]
Voice loggingNot listed. Not listed on the pages checked[1]Yes. Hands-free logging with voice commands[3]
Barcode scannerYes. Barcode scan beside photo scan and manual search[2]Not listed. Not listed on the pages checked[4]
Free planNot listed. Not listed: the FAQ mentions a paywall and a free trial, and no free tier[2]Yes. Free for up to 3 AI logs a day; a premium subscription also exists[4]
Free trialYes. A 3-day free trial, "no commitment"[1]Not listed. Not listed on the pages checked[3]
Accuracy it states for itselfYes. Says its accuracy is about 80%, and that values can vary[2]Yes. About a 15% mean caloric error, by its own account[4]
Meal plansNot listed. Not listed on the pages checked[1]Yes. A free meal planner on the home page[3]
Where it runsYes. iPhone (iOS 18 or later) and Android (10 or later)[2]Yes. iOS and Android[3]

Last verified . Numbers in brackets point to the sources below. The apps are in alphabetical order.

One app at a time: Cal AI alternative. CalorTracker features mentioned here: AI food scanner, Water tracker.

Where each one is stronger

Where Cal AI is stronger

  • Barcode scanning sits beside photo scan and manual search in the FAQ's list of ways to log.[2]
  • Its home page says the phone's depth sensor helps work out food volume before the AI breaks the meal down.[1]
  • The FAQ gives clear requirements: iOS 18 or later on iPhone, Android 10 or later.[2]

Where SnapCalorie is stronger

  • A free daily allowance: its FAQ says free for up to 3 AI logs per day.[4]
  • Hands-free voice commands are on its home page, and it lists a free meal planner.[3]
  • Prints a specific accuracy figure (about 15% mean caloric error) and compares it with labels and with dietitians' photo estimates.[4]

Who each one suits

  • Cal AI suits someone who wants photo and barcode logging and is ready to take a 3-day trial of a subscription app.
  • SnapCalorie suits someone who wants to try AI logging free each day, with voice commands, before deciding on a subscription.

These are suggestions drawn from the table, not a verdict. The right app depends on which row matters to you.

And if you want something else, CalorTracker

CalorTracker is a third option, from the team that wrote this page. What it does for the points above, from our own code:

  • If you want a small free allowance of photo and text logs: 1 photo scan and 2 text logs a day.
  • If you want meal plans and a shopping list around the photo log (Premium): Shopping list with the plan (Premium).
  • If you want a Premium trial that covers voice logging: 10-day Premium trial.

Where CalorTracker falls short

  • No barcode scanner; reads the label from a photo.
  • Web app and Android app; the iOS app is not public yet.
  • Voice logging is Premium.
  • The free plan has daily limits: 1 AI photo scan and 2 AI text logs a day.
  • AI results are estimates to check before you save them.

Sources and last verified

Every fact about the two apps on this page comes from that app’s own site, checked on . “Not listed” means we found nothing on the pages cited; it does not mean the app lacks the feature. Prices are left out because they change and differ by country, so check each app before you decide.

We re-verify this page every quarter. Next review due by . We also re-read every source before a page goes live if its facts are more than 90 days old.

  1. Cal AI home page: https://www.calai.app/ (checked )
  2. Cal AI FAQ: https://www.calai.app/faq (checked )
  3. SnapCalorie home page: https://www.snapcalorie.com/ (checked )
  4. SnapCalorie FAQ: https://www.snapcalorie.com/faq (checked )

Frequently asked questions

Which of the two is free?
SnapCalorie's FAQ says free for up to 3 AI logs per day, with a premium subscription available. Cal AI's FAQ mentions a paywall and a free trial but describes no free tier.
Which is more accurate?
We cannot say. Cal AI's FAQ puts its accuracy at about 80%; SnapCalorie's says an average of around 15% mean caloric error. They are stated in different terms by the apps themselves, and both warn that values vary.
Which has a barcode scanner?
Cal AI's FAQ lists barcode scan as a way to log. SnapCalorie's pages checked do not mention one.
Does CalorTracker have a barcode scanner?
No. Packaged food is logged from a photo of its nutrition label, which the AI reads, or by typing the numbers in yourself.

Try it on your own meals

Start free, log your first meal from a photo, and see whether it suits the way you track.

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Every app name is a trademark of its respective owner; this page is an independent comparison.