Total carbs minus fibre (and sometimes minus sugar alcohols). The standard keto and low-carb metric. Most keto users target 20–50g net carbs daily.

Best Net Carb Tracking Apps 2026: For Keto, Low-Carb, and Diabetic Users

Q: What is the best net carb tracking app in 2026?

Nutrola for general use; Carb Manager for strict keto specialists. Nutrola wins on free-tier completeness with AI logging and verified data.

Q: Should I count fibre as a carb?

Most keto protocols subtract fibre because it's not absorbed; total-carb protocols (some diabetic) include it. Net carbs is the keto-standard metric.

Q: How accurate are net-carb counts?

Verified databases (Nutrola, Cronometer) within 5–8% on carb and fibre values. User-submitted databases carry larger errors that compound when subtracting one inaccurate number from another.

Q: Can free apps display net carbs?

Some — Nutrola, Carb Manager, Cronometer, and Yazio all show net carbs on free tiers. MyFitnessPal and Lose It! gate net-carb display behind Premium.

Net Carb Tracking Demands Verified Data

Net carbs depend on accurate carb AND fibre values. Errors in either compound — subtracting 8g of inaccurate fibre from 18g of inaccurate carbs produces a net-carb number that's wrong twice over.

Verified databases solve this. Nutrola and Cronometer both keep carb and fibre values within 5–8% of references, making net-carb totals trustworthy for keto adherence.

How We Evaluated

Net-carb display free
Database accuracy on carbs and fibre
AI logging support
Daily completeness

Net Carb Tracking App Comparison

Feature	Nutrola	Carb Manager	Cronometer	MyFitnessPal	Lose It!	Yazio
Net carbs free	✅ Yes	✅ Yes	✅ Yes	⚠️ Premium	⚠️ Premium	✅ Yes
Verified carb DB	✅ Yes	⚠️ Mixed	✅ USDA	⚠️ User	⚠️ Mixed	⚠️ Mixed
Verified fibre DB	✅ Yes	⚠️ Mixed	✅ USDA	⚠️ User	⚠️ Mixed	⚠️ Mixed
AI logging free	✅ Yes	⚠️ Premium	❌ No	⚠️ Premium	⚠️ Premium	❌ No
Sugar alcohol handling	✅ Yes	✅ Yes	⚠️ Limited	⚠️ Limited	⚠️ Limited	⚠️ Limited

#1 Overall: Nutrola

Best free-tier net-carb tracker.

Why Nutrola wins:

Free net-carb display
AI logging includes net-carb calc
Verified carb and fibre data
Sugar alcohol handling

Best for: Keto and low-carb users wanting accurate net carbs without paying.

#2: Carb Manager

Keto-specialised, sugar-alcohol-aware.

Best for: Strict keto users. Limitation: AI Premium.

#3: Cronometer

USDA-grade.

Best for: Detail-first users. Limitation: No AI; weaker sugar-alcohol handling.

#4: Yazio

Free net-carb display.

Best for: Casual low-carb users. Limitation: Macros PRO-only.

#5: MyFitnessPal

Net carbs Premium.

Best for: Premium users. Limitation: Free tier excludes net carbs.

#6: Lose It!

Net carbs Premium.

Best for: Premium users. Limitation: Free tier excludes net carbs.

Frequently Asked Questions

What is the best net carb tracking app in 2026?

Nutrola for general; Carb Manager for strict keto.

What are net carbs?

Total carbs minus fibre (sometimes minus sugar alcohols).

Should I count fibre as a carb?

Most keto protocols subtract fibre.

How accurate are net-carb counts?

Verified DBs: 5–8%. User-submitted: larger.

Can free apps display net carbs?

Nutrola, Carb Manager, Cronometer, Yazio yes; MFP, Lose It! Premium.