LetsBurnFit: Strength Over 40
Rebuild the muscle you lost
About
This app offers progressive strength training programs designed for individuals over 40, adapting to your goals, equipment, and injuries. It provides detailed workout guidance, progress tracking, and AI coaching to help you rebuild muscle and achieve your fitness objectives.
What's New in LetsBurnFit
1.1.2
October 28, 2026
New: Coach D, the body scan photo check, meal photo and text estimates, and meal plans now ask before sending anything to an AI service. Change your choices in Profile under AI services. Meal plans are no longer written automatically. Tap the card on the Eat tab if you want one. Progression now looks back further to find your last weight on a lift. Lifts with ranges like 10-12 each now step up when you hit the top of the range. New: How to use LetsBurnFit, a short guide. Find it in Profile under Help. Fixes and improvements.
MoreSubscriptions & In-App Purchases
Standard Monthly
Coach, meal plans, food scanner, body scans
FAQ
What is LetsBurnFit?
LetsBurnFit is a progressive strength training app designed for individuals over 40. It creates personalized 8-week programs that adapt to your goals, equipment, and any injuries you may have, guiding you through workouts three or six days a week.
Does LetsBurnFit have ads?
No, LetsBurnFit does not contain advertisements. The free version offers core training features, while the paid subscription unlocks unlimited AI coaching and advanced meal planning.
How does LetsBurnFit adapt to injuries?
The app asks about your injuries and plans workouts around them. You can swap exercises for the same muscle groups if a particular movement hurts or if equipment is unavailable, either for a single session or permanently.
What are the subscription options for LetsBurnFit?
LetsBurnFit offers a Standard subscription at $12.99 per month or $79.99 per year, both including a 14-day free trial. The paid version provides unlimited access to the AI coach, meal plans, and grocery lists.
How does LetsBurnFit estimate body composition?
The app can estimate body fat using the US Navy circumference method (if you provide waist and neck measurements) or a height, weight, age, and sex equation. It also estimates lean mass and resting calories (BMR) based on these calculations.
What kind of workouts does LetsBurnFit offer?
LetsBurnFit focuses on progressive strength training with a structured approach. Workouts are divided into four phases: activation, heavy compound lifts, pump work, and stretching, with suggested weights and rest timers.
How often is LetsBurnFit updated?
LetsBurnFit was last updated on October 10, 2026, with version 1.1.1. This indicates a recent update, suggesting ongoing development and support for the application.
What are the calorie and protein targets in LetsBurnFit?
The app calculates calorie targets using the Mifflin-St Jeor equation for resting metabolism, factoring in your activity level and chosen deficit, recomposition, or surplus. Protein targets are set against your goal weight to help preserve muscle mass.
