Report updated May 18, 2026
Weight loss tracker - BMI
For individuals monitoring weight loss or gain goals who require a simple, private, and visual tracking tool.
Weight loss tracker - BMI is an established health & fitness app that is completely free. With a 4.5/5 rating from 7.5K reviews, it shows polarized user reception. Users particularly appreciate simple and straightforward weight tracking interface allows for quick daily logging without unnecessary complexity, though inability to view long-term weight loss progress beyond a thirty day window frustrates long-term users remains a common concern.
What is Weight loss tracker - BMI?
Weight Loss Tracker - BMI is a mobile health diary for tracking weight and body mass index on iOS and Android.
Users hire this app for a low-friction, private way to document weight changes and moods without the overhead of clinical calorie-counting tools.
Current Momentum
v3.1 · 6mo ago
Maintenance- Ships frequent stability updates.
- Last major update Dec 2023.
Active Nemesis
BMI Calculator – Weight Loss
By Steffen Mayer
Other Rivals
7-Day Rank Pulse 🇺🇸
Health & FitnessNo ranking data
Rating Pulse 🇺🇸
Recent User Mood
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Logs daily measurements, moods, remarks, and photos.
Calculates body mass index based on age, gender, and weight.
Secures user data with a 4-digit PIN.
How much does it cost?
- Free version with ad support
Monetization relies entirely on ad-supported inventory within a free-to-use utility model.
Who Built It?
Aurel Criste
Providing simple, utility-focused tools for personal health, finance, and daily organization. Helping users track their habits and progress through intuitive, manual-entry interfaces.
Portfolio
4
Apps
What other apps does Aurel Criste make?
Explore the full Aurel Criste report
Portfolio breakdown, audience, momentum, and every app published by Aurel Criste.
What do users think recently?
High confidence · Latest 96 of 163 total reviews analyzed · Based on 163 reviews. Signal may be noisy.
How did the latest release land?
What is the recent mood?
Recent user voice shows a mixed sentiment. Users appreciate simple and straightforward weight tracking interface allows for quick daily logging without unnecessary complexity, but report inability to view long-term weight loss progress beyond a thirty day window frustrates long-term users.
What Users Love
What Frustrates Users
What Users Want
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
What is the competitive landscape for Weight loss tracker - BMI?
How's The Health & Fitness Market?
How does it evolve in the Health & Fitness market?
The app maintains a 4.48 average rating across 7,503 total ratings, but the lack of a premium tier limits its ability to compete with high-grossing calorie trackers.
Rank progression
2 active rankings tracked — 30-day window
Which niche is Weight loss tracker - BMI in?
Explore the full Weight Loss Trackers niche
Every app in this space — 1 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
The rivals identified
Nemeses(1)
This app is the direct market leader in the specific BMI-focused weight tracking niche, commanding a massive user base that dwarfs the target app.
Differentiators
- Hyper-focused on BMI-specific metrics rather than broad calorie counting or fitness tracking.
- Maintains a high release cadence with 6 updates in the last six months to ensure platform stability.
- Established long-term user trust through seven years of continuous operation in the health category.
Head to head
The target app must pivot toward a 'simplicity-first' UX to differentiate from the nemesis's data-heavy, clinical approach.
Contenders(3)
Offers a highly polished, medically-backed approach to weight management that appeals to health-conscious users.
Differentiators
- Includes specialized diet support for diabetes and pre-diabetes, expanding the addressable market beyond general weight loss.
- High-frequency updates ensure compatibility with the latest health-tracking hardware and OS features.
Leverages AI-driven food recognition to lower the barrier to entry for manual calorie logging.
Differentiators
- AI-powered photo recognition eliminates the friction of manual database searching for food items.
- Personalized nutrition coaching plans provide a premium service layer that justifies higher monetization.
A dominant force in the calorie tracking space with a massive, highly active user base and frequent feature updates.
Differentiators
- Advanced food logging features including barcode scanning and photo-based calorie estimation.
- Aggressive release schedule of 26 updates in six months signals a highly responsive product team.
Same space(2)
A legacy brand that leverages a proprietary points-based system to drive long-term user retention.
Differentiators
- Proprietary 'Points' system creates a unique ecosystem that is difficult for generic trackers to replicate.
- Strong community support and live coaching features provide a human element missing in automated trackers.
Focuses on the psychological aspects of weight loss rather than just tracking metrics.
Differentiators
- Integrates cognitive behavioral therapy techniques to address the root causes of unhealthy eating habits.
- Uses a color-coded food system that simplifies complex nutritional data for the average user.
New entrants(1)
Rapidly gaining traction by targeting users who want fitness results with minimal time investment.
Differentiators
- Positions itself as a 'lazy' fitness solution, directly targeting the friction of traditional, time-consuming workout apps.
- Short-form, high-impact workout routines designed specifically for users with limited daily availability.
Compare Weight loss tracker - BMI against every rival
All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.
The outtake for Weight loss tracker - BMI
Strengths to defend, gaps to attack
Core Strengths
- Privacy-focused 4-digit PIN protection secures sensitive health data
- Minimalist UI reduces cognitive load for daily logging
- Integrated photo-diary functionality supports personal progress documentation
Critical Frictions
- 30-day graph limit restricts long-term progress visualization
- Data-loss incidents post-update erode user trust
- Lack of ad-free monetization tier limits revenue
Growth Levers
- Implement cloud synchronization to prevent data loss
- Introduce premium ad-free subscription model
- Extend graph date ranges to support long-term retention
Market Threats
- Data-loss reports driving users to competitors
- AI-logging features in rival apps reducing manual entry utility
- Established clinical-grade competitors capturing health-conscious segments
What are the next best moves?
Ship cloud synchronization because data-loss reports are driving churn → stabilize retention
Multiple reports of historical data disappearing after the latest update
Trade-off: Pause the graph-range expansion sprint — data persistence is a higher-severity retention risk.
Introduce ad-free premium tier because users explicitly request it → increase revenue
Users state they would pay to remove ads to support development
Trade-off: Deprioritize the UI refresh — monetization path has higher immediate impact on sustainability.
A counter-intuitive read
The app's simplicity is its primary vulnerability; by avoiding clinical complexity, it fails to provide the long-term data utility that prevents users from switching to more comprehensive trackers.
Feature Gaps vs Competitors
- Cloud synchronization (available in Lose It! but missing here)
- Barcode scanning (available in Lose It! but missing here)
- AI-driven food recognition (available in Foodvisor but missing here)
Key Takeaways
The app excels at simple, private weight tracking, but the recent data-loss incidents and 30-day graph limit are driving users to more robust competitors, so the PM must prioritize data persistence and ad-free monetization to stop the churn.
Where Is It Heading?
Declining
The health-tracking market is consolidating around apps that provide long-term data persistence and AI-assisted logging. This app remains exposed due to its reliance on manual entry and the recent instability of its data storage, so the PM must address these reliability issues to prevent further user migration to more stable competitors.
Data-loss reports following the latest update cause significant frustration, which directly correlates to an increase in uninstalls.
The 30-day graph limitation prevents long-term users from seeing total progress, leading to dissatisfaction and eventual churn.