Cal Expert Cal Expert
Calorie & Nutrition

Track calories. Feel in control.

Log meals in seconds, visualize intake vs. burn, and build habits that actually stick.

  • ⚡ Fast logging
  • 🔒 Privacy-first
  • 🤖 AI guidance
  • 📈 Weekly insights
Today’s BalancePreview
Intake1,520 kcal
Burned1,860 kcal
Net-340 kcal

Log for 7 days to unlock weekly reports and personalized tips.

Why Cal Expert

Three pillars that make tracking effortless and effective.

🍎

Smart Logging

Barcode scan, rich food DB, and one‑tap portions so you can finish logging in seconds.

🧠

Personal Coaching

AI turns your week of meals into simple, actionable tips aligned with your goals.

📊

Deep Insights

Clear macro trends, quality scores, and progress snapshots — with your privacy protected.

Results that Matter

Stay consistent, log faster, feel better.

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Trust & Science

Private by design. Grounded in nutrition science.

Privacy‑first

Your data is yours. Local-first logging with export & delete anytime.

Science‑backed

Built around evidence‑based energy balance and macronutrient guidelines.

Transparent

Clear assumptions and targets. No black‑box numbers you can’t verify.

Nutrition Snapshot

Today's macro composition and target progress.

Macro Composition

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kcal today
Carbs Protein Fat

Progress Today

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Carbs
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Protein
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Fat
7‑day Intakeavg 0 kcal

Relative to today's targets. Values >100% mean you've exceeded that macro target.

What Our Users Say

Real stories from people building healthier habits with CalMate.

Alex Li
Lost 4.2 kg in 8 weeks
★★★★★

“Logging takes seconds, and the weekly insights make it obvious where to improve. Best habit app I've tried.”

Julia M.
Busy parent · Evening logger
★★★★★

“The balance view finally helps me connect meals with workouts. I actually feel in control.”

Kevin S.
Macro tracking · 12 weeks
★★★★☆

“Clean design, fast scanning, and thoughtful tips. Exactly the combo I needed.”

Zhang Yu
Runner · Morning logger
★★★★★

“界面清爽、记录超快,每周总结很有用,能看清自己的进步。”

Anita N.
Vegetarian · 6 months
★★★★★

“Recipe logging is painless, and the nutrient breakdowns helped me fix low protein days.”

David W.
Desk worker · Habit builder
★★★★☆

“Love the reminders and weekly nudges. Small changes added up fast.”

FAQ

Quick answers to common questions.

How does Cal Expert calculate daily calorie needs?

We estimate your BMR from height, weight, age, and activity level, then adjust for your goal to recommend a daily intake target.

Is my data private and secure?

Your data stays private and is never sold. You can export or delete it anytime from the app settings.

What do I get for free?

Free includes the basic food database, daily logging, and reminders. Advanced features like barcode scanning and weekly insights are coming soon.

How can I contact support?

Click Contact to email us directly. We usually reply within 2–3 business days.