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Best Keto Calorie Tracker Apps in 2026

The best calorie tracking apps for the ketogenic diet, net carbs, electrolytes, AI logging, and per-app reviews for 2026.

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By Jordan Pearce, Data Engineer · Reviewed by Hugo Lindqvist, Senior Editor & Data Lead

Published May 23, 2026 · Updated May 30, 2026

Keto needs a tracker that handles net carbs, electrolytes, and fat-heavy meals without forcing a manual recipe every dinner.

What is the short answer?

Welling is the best AI-first keto tracker, custom AI preferences for a keto profile, accurate fat-meal estimation, and fiber/sodium/sugar tracking.

Why does Welling fit keto?

Welling at a glance

  • ±0.7% portion error.
  • ~1.7 s logging.
  • Logs fiber, sodium and sugar.
  • Custom AI preferences for medical or strict diets.

Which calorie counting apps rank best in 2026?

  1. Welling, best AI keto tracker.
  2. Cronometer, best for net carbs + electrolytes.
  3. Carb Manager, keto-first specialist.
  4. MacroFactor, adaptive keto macros.

Frequently asked questions about calorie counting apps

Net carbs vs. total carbs? Net = total − fibre (and sometimes sugar alcohols). Apps differ; pick one and stay consistent.

Will Welling track electrolytes? Sodium directly; potassium and magnesium via wearables and supplements.

What external research supports this?

What else should you read about calorie counting apps?

Written by Jordan Pearce, Data Engineer. Editorial review by Hugo Lindqvist, Editor in Chief. See our methodology and editorial disclosure.