RESERVE: Metabolic HUD

RESERVE: Metabolic HUD

See your fuel. Lose the fat.

1 ratings
1 review
Free

Details

  • Released
  • Updated
  • June 22, 2026
  • July 9, 2026

Features

RESERVE: Metabolic HUD screenshot #1 for iPhone
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RESERVE: Metabolic HUD screenshot #6 for iPhone
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About

This app visualizes your weight loss progress as a real-time countdown to your next pound lost. It uses a unique orb and ring system to show your metabolic state and how close you are to your goal, offering a more engaging alternative to traditional weight tracking.

Real-time metabolic visualization
Progress towards next pound loss
Personalized daily burn calculation
Water weight fluctuation handling
100% on-device data storage
Audio graphs for accessibility
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What's New in RESERVE

1.3

July 9, 2026

THE POUND BAR — see exactly how close you are. Your home screen now leads with the one thing other trackers hide: your position. A living bar fills toward your next pound down, and a bright segment jumps forward the moment you log a deficit or a workout — so you watch yourself close the gap in real time. Not "you weigh 184." You're ~2,540 kcal from the next pound, a few days out. Also in 1.3: • The whole app re-centered on that idea — from the first screen to the gauge around the orb. • Smoother, more game-like unlocks as your journey opens up. • Polish and fixes throughout. Free, 100% on-device, no account. Built by a physician.

More

Events

Read more about Meet your metabolism

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Watch your body switch fuels, live.

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User reviews

Easy to use; lots of features

I have used several food trackers but I really enjoy using this one. The interface is cool and there are lots of features that help make the app really easy to use.

FAQ

What is RESERVE's primary focus?

RESERVE focuses on visualizing your metabolic state and real-time progress towards losing your next pound. It aims to provide a more engaging and motivational experience than simply tracking a number on the scale.

How does RESERVE calculate my daily burn?

RESERVE learns your REAL daily burn directly from your own data, rather than relying on a generic textbook formula. This personalized approach ensures more accurate tracking of your energy expenditure.

Does RESERVE have ads?

No, RESERVE is completely ad-free. It is built with a commitment to privacy and user experience, ensuring no advertisements interrupt your progress tracking.

Is my data safe with RESERVE?

Yes, RESERVE prioritizes your privacy with 100% on-device data storage. Your personal health data cannot leave your phone, and no account or server is required.

What makes RESERVE different from other weight apps?

Unlike other apps that just show a number, RESERVE shows your position relative to your next pound lost. It uses a unique visual system to represent your metabolic state and the closing gap to your goal.

Does RESERVE offer features for users with visual impairments?

Yes, RESERVE includes Apple Audio Graphs, allowing blind and low-vision users to 'hear' their data. This feature makes the app more accessible and inclusive.

How often is RESERVE updated?

The latest version of RESERVE is 1.3, which was last updated on July 9, 2026. Updates are released to improve functionality and user experience.

Can RESERVE be used during pregnancy?

Yes, RESERVE includes a pregnancy mode that hides the scale entirely and focuses on discussing the week ahead. This allows users to track their well-being without the stress of weight fluctuations.