JustFit: Lazy Workout & Fit

What it does

JustFit is a mobile fitness coach that creates personalized, at-home workout plans. The app guides users through a detailed questionnaire to understand their goals, physical condition, and lifestyle. Based on this data, it generates a customized workout routine, tracks progress, and offers features like meal plans and health data integration to support a user's weight loss journey.

Where it shines

JustFit excels at making the personalization process feel both thorough and engaging. The onboarding quiz isn't just a series of questions. It uses interactive elements like a body map where users tap to select focus areas (00:28) and a dynamic slider that visually alters an avatar's body type (01:22). This turns data collection into a compelling experience. Another standout moment is the pre-workout heart rate measurement (07:28), which uses the phone's camera to provide biometric feedback, adding a layer of scientific credibility without extra hardware.

UX highlights

Visual Goal Setting: At 00:28, selecting body parts to work on immediately highlights them on an avatar. This makes goals feel tangible from the start.
Dynamic Avatars: The body type selector at 01:22 provides instant visual feedback, helping users accurately self-assess their starting point.
Clear Progress Visualization: The app uses animated graphs to project weight loss over time (01:50), giving users a clear and motivating target.
Layered Social Proof: Testimonials and user stats are not confined to one screen. They appear throughout onboarding to consistently build trust (00:38, 03:45).
Integrated Health Metrics: The app goes beyond workouts by offering to track heart rate (07:28) and log blood pressure (15:40), positioning itself as a holistic health tool.
Structured Workout Plans: The main dashboard (06:37) presents the user's plan in a clear, day-by-day timeline, reducing ambiguity about what to do next.

Monetization & growth

JustFit employs a sophisticated, multi-stage monetization strategy. After the extensive onboarding quiz, it presents a standard subscription page (05:14). If the user hesitates, the app displays a 'Still Hesitating?' prompt (05:23) before revealing a 50% discount with a countdown timer to create urgency (05:31). Later, it offers to skip the free trial in exchange for the discount (05:29). This approach seems designed to maximize conversions by testing price sensitivity and using timely incentives.

Who it’s for

The app appears to be designed for individuals new to fitness or those looking for structured, easy-to-follow workout plans they can do at home without equipment. The emphasis on 'lazy' workouts, 'easy enough' difficulty levels (02:31), and options like 'no jumping' (02:22) suggests a target audience that may be intimidated by traditional gym culture or intense workout programs. The personalization quiz appeals to users who want a plan that feels tailored specifically to them.

Notes & opportunities

The onboarding flow is very long, which could lead to some user drop-off despite its engaging elements. While personalization is a strength, the sheer number of steps before seeing the core product is a risk. Additionally, the app requests notification and tracking permissions at the very beginning (00:00, 06:38) without warming up the user, which could be optimized. The post-workout rating prompts (10:17, 10:22) are also quite aggressive, appearing back-to-back, which could annoy some users.