Food diary · Fuel

Calorie tracker that sits next to your training log

What is a calorie tracker for the gym?

A calorie tracker is a food diary: you log meals, see calories and macros against targets you set, and adjust. It is not a deficit calculator. In Arvo the diary (Fuel) sits next to logged sets, check photos, and weekly insights.

Yazio-style food diaries answer “what did I eat today?”. Lifters also need “how did that sit next to today’s session, yesterday’s check, and the target I chose?”

Arvo Fuel is that diary. Search a food, scan a barcode, or take a photo. A photo is an estimate. You change grams and missed sauces, then you save. The chat does not prescribe a new diet.

How the diary works

  1. 1. Log a meal

    Search, barcode, or photo. Nothing hits the day until you confirm.

  2. 2. Correct it

    Change grams, add oil, delete an extra. The totals recalculate from what you saved.

  3. 3. Read the week

    Insights use logged days. A missing day is missing data, not a zero-calorie day.

Diary, not a calculator

Need the number first? Use the TDEE or calorie-deficit calculators. They estimate a target. This page is the log after that: meals, corrections, and the week you actually recorded.

Connected to training and checks

FAQ

Is this the same as a calorie deficit calculator?

No. A deficit calculator estimates how large a gap to eat. A calorie tracker is the diary of what you logged. Use both: calculate, then record.

Does the AI decide my calories?

No. Targets are yours (set or imported). Fuel compares the diary to those targets. Chat will not invent a new diet.

Do I need an account to keep a diary?

The calculators work in the browser with no account. Saving a diary, photo meals, and checks needs an Arvo account and Fuel opt-in.

Open the Fuel diary path

See how a meal is estimated, corrected, and saved — then start a diary in the app.

See how Fuel works

Same cluster

Log a meal from a photo — then correct it · Progress photos you can compare