
Portable metabolism analyzer that measures your respiratory exchanges to tell you if you are burning fat or carbs
Read the review →4 tools selected and reviewed
Building a nutrition plan that truly fits each client means crossing objectives, metabolism, and dietary constraints, repetitive work when coaching several athletes. These tools help you generate and adjust plans quickly.
Our selection ranges from the metabolic sensor to the general-purpose assistant for writing custom menus.

Portable metabolism analyzer that measures your respiratory exchanges to tell you if you are burning fat or carbs
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AI fitness app that creates workout programs at home or in the gym tailored to your body and schedule
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The versatile AI assistant for writing, summarizing, and brainstorming.
Read the review →| Tool | Best for | Price | FR | Level | Verdict | Rating | |
|---|---|---|---|---|---|---|---|
Lumen | Portable metabolism analyzer that measures your respiratory exchanges to tell you if you are burning fat or carbs | Paid | — | Intermediate | Good choice | ★ 4.1 | |
Zing Coach | AI fitness app that creates workout programs at home or in the gym tailored to your body and schedule | Freemium | — | Beginner | Good choice | ★ 4.0 | |
ChatGPT | The versatile AI assistant for writing, summarizing, and brainstorming. | Freemium | 🇫🇷 | Beginner | Excellent | ★ 4.8 | |
Claude | Anthropic's AI assistant, excellent at writing and document analysis. | Freemium | 🇫🇷 | Beginner | Excellent | ★ 4.8 |
Lumen measures metabolism via breathing and adjusts nutritional recommendations in real time, making it the most accurate for individualized tracking. ChatGPT and Claude are useful for quickly writing detailed menus from client data.
Yes: Lumen and Zing Coach tailor recommendations to the athlete's goal, while ChatGPT and Claude let you customize the menu prompt by prompt (allergies, preferences, training schedule).
We help you choose and set up the right tool for how you work.
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