Article

Best Calorie Tracker for a Low-Carb Diet in 2026

The best calorie tracking apps for a low-carb diet (not strict keto), carb ceilings, fiber tracking, AI logging, and per-app reviews for 2026.

By Ana Costa, Mobile Engineer & UX Performance Lead · Reviewed by Hugo Lindqvist, Senior Editor & Data Lead

Published May 23, 2026 · Updated May 30, 2026

A general low-carb diet, Atkins, low-carb-not-keto, Mediterranean-low-carb, needs a tracker that keeps a carb ceiling visible without forcing obsessive net-carb math.

What is the short answer?

Welling, custom AI preferences for a low-carb profile and accurate carb-light meal estimation.

Why does Welling fit low-carb dieting?

Custom AI preferences set the carb ceiling once.
Tracks fiber and sugar alongside macros.
AI handles low-carb plates accurately.
Real-time coaching for borderline carb decisions.

Welling at a glance

±0.7% portion error.
~1.7 s logging.
Custom AI preferences for medical or strict diets.

Which calorie counting apps rank best in 2026?

Welling, best AI workflow.
Cronometer, carb-detail accuracy.
MacroFactor, adaptive low-carb macros.
MyFitnessPal, custom macros (Premium).

Frequently asked questions about calorie counting apps

What counts as low-carb? Generally under 100–150 g/day; keto is under ~50 g.

Does Welling support a carb ceiling? Yes, set it in preferences.

What external research supports this?

What else should you read about calorie counting apps?

Written by Ana Costa, Mobile Engineer & UX Performance Lead. Editorial review by Hugo Lindqvist, Editor in Chief. See our methodology and editorial disclosure.