The keto and low-carb specialist against a general-purpose photo tracker.
Carb Manager: Keto & Macro Log
4.8 from 733,843 ratings · Free
The most established low-carb and keto tracker on the App Store, built around net carbs rather than calories. Large database with keto-relevant fields, macro targets tuned for ketogenic eating, recipes, and a substantial community around that specific way of eating.
KalTrack Made by Viral Labs
5.0 from 1 rating · Free
A camera-first tracker. Point at the plate for an AI estimate you confirm in two taps, or scan a barcode or nutrition label to get exact published figures instead. Built around the idea that a photo estimate is an estimate, with cuisine coverage beyond American food databases. New, and small.
Side by side
App Store figures retrieved 2026-08-27 from Apple's public lookup API, US storefront.
Carb Manager: Keto & Macro Log
KalTrack Made by Viral Labs
App Store rating
4.8 from 733,843 ratings
5.0 from 1 rating
How you log a meal
Search, barcode, recipes, AI-assisted logging on paid tiers
Photo of the plate, barcode, nutrition label, or a typed description
Food data
Large database with net carb and keto-specific data
AI estimate from the photo, plus Open Food Facts for barcodes and OCR for printed labels
Free tier
Yes, with core logging
A few AI scans every day; barcode lookups unlimited and free
Paid plan
Premium subscription, priced on the App Store listing
KalTrack Pro, $9.99/month or $29.99/year, 7-day free trial, cancel in iOS Settings
Platforms
iPhone, iPad, Android, web
iPhone. Android in development, no date promised
Offline diary
Partial
Yes, diary is on-device and syncs later; scanning needs a connection
Apple Health
Yes
Optional: reads steps and active energy, can write logged food back
Which one to pick
Choose Carb Manager: Keto & Macro Log if
you are doing keto or low carb seriously. Net carbs, fibre and sugar alcohols are first-class citizens there and an afterthought almost everywhere else, including here, and the recipe library is built for that way of eating.
Choose KalTrack if
you are counting calories and the big three macros rather than running a specific dietary protocol.
The verdict
If you are eating ketogenically, Carb Manager is the specialist and specialists win. Net carb calculation, sugar alcohol handling, fibre subtraction and keto-appropriate targets are core to the product rather than bolted on, and the recipe library assumes your constraints instead of fighting them.
KalTrack tracks calories, protein, carbs and fat. It does not compute net carbs, does not treat sugar alcohols specially, and has no keto mode. On a strict protocol that is a real gap and you should take it seriously.
Where KalTrack has an argument is the everyday logging of cooked food. Photographing a plate and confirming a portion is faster than searching, and if a low-carb diet mostly means you are eating meat and vegetables you cooked yourself, there is not much barcode scanning to do — which is exactly the situation a camera handles well.
Still, on the merits: strict keto, use Carb Manager. General calorie and macro awareness with occasional low-carb leanings, a fast general tracker will serve you better than a specialist you are constantly working around.
Method: figures come from each app's public App Store listing on the day this page was built, and from each app's own published pricing. Features were checked against the apps' own descriptions. We make KalTrack, so treat this as our account of the difference, not a review.