Report updated Jun 10, 2026
Nutrient Calculator
For individuals concerned with bone health, specifically those monitoring intake of calcium, vitamin D, protein, magnesium, and vitamin K.
Nutrient Calculator is a struggling health & fitness app that is completely free.
What is Nutrient Calculator?
Nutrient Calculator is a free health-tracking app for monitoring bone-health nutrients like calcium and vitamin D.
Users hire the app to manage specific clinical nutrition needs, but the current technical friction prevents it from serving as a reliable daily tracking tool.
Current Momentum
v2.4 · 1mo ago
Maintenance- Added 300+ food items to database.
- Improved food diary search functionality.
Active Nemesis
Macros from Brazil
By Biographics Consultoria e Design LTDA
Other Rivals
7-Day Rank Pulse 🇺🇸
Health & FitnessNo ranking data
Rating Pulse 🇺🇸
No rating yet
Recent User Mood
What makes this app unique?
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What Are The Key Features?
Calculates daily intake for calcium, vitamin D, protein, magnesium, and vitamin K based on user input.
Searchable library of food items to track nutrient consumption.
How much does it cost?
- Fully free access to all calculator features
The app operates as a free public health tool with no IAP or ad-supported monetization observed.
Who Built It?
Osteoporosis Canada
View Publisher Intel →Enrichment in progress
Publisher profile available very soon
What other apps does Osteoporosis Canada make?
What do users think recently?
Low confidence · 1 reviews analyzed
What is the recent mood?
Recent user voice shows a upset sentiment. but report slow response times when inputting food items into the diary break the logging habit and limited food database range prevents accurate tracking of daily nutrient intake for specific health needs.
Limited review volume (1 reviews). Sentiment analysis will deepen as more data lands.
What is the competitive landscape for Nutrient Calculator?
Where is it available?
Localized markets (1)
How's The Health & Fitness Market?
Market outlook for this category
Available very soon
Which niche is Nutrient Calculator in?
to calculate daily nutrient intake for bone health
Explore the full Nutrition Calculators niche
Every app in this space — 7 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
The rivals identified
Nemeses(1)
This app competes for the same health-conscious user base by providing quick, metric-based health assessments that serve as a gateway to broader nutritional tracking.
Contenders(3)
It serves the medical-adjacent nutritional market by providing specialized enteral nutrition calculations.
This app competes directly on the utility of nutritional calculation and dietary organization.
It targets the same longevity-focused audience by modeling lifestyle impacts on health outcomes.
Same space(4)
It provides a holistic health management platform that includes the nutritional guidance found in the target app.
It competes by offering condition-specific dietary guidelines, similar to the target's focus on bone health.
Jommi UG (haftungsbeschrankt)
This app focuses on specific nutrient intake, mirroring the target's goal of tracking essential dietary components.
It shares the target's mission of health-conscious consumption by verifying product quality and nutritional safety.
Compare Nutrient Calculator 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 Nutrient Calculator
Strengths to defend, gaps to attack
Core Strengths
- Clinical authority backed by Osteoporosis Canada drives trust in health-specific nutritional advice
Critical Frictions
- 10/100 sentiment score indicates critical failure in core logging workflow
- High input latency prevents habit formation
Growth Levers
- Addition of vitamin supplement logging would address a high-frequency user request for comprehensive daily tracking
Market Threats
- Macros from Brazil's database infrastructure provides a more reliable tracking experience, siphoning the target's core user base
What are the next best moves?
Rebuild diary search index because search inaccuracies are a top complaint → improve logging retention
Search accuracy is a top-three complaint theme, directly preventing users from completing daily logs.
Trade-off: Pause the addition of new food items — existing database utility is currently unusable due to search failures.
Ship supplement logging feature because it is a top-requested addition → increase daily active usage
Users explicitly request supplement logging to support comprehensive tracking, which is currently missing.
Trade-off: Deprioritize the nutrient-rich food summary view — supplement logging has higher user-request frequency.
A counter-intuitive read
The app's lack of monetization is a strategic liability, as it prevents the reinvestment required to match the database performance of commercial rivals.
Feature Gaps vs Competitors
- Social sharing features (available in Macros from Brazil but absent here)
- Favorites management (available in Macros from Brazil but absent here)
Key Takeaways
The app leverages strong clinical credibility but fails at basic usability, so the PM must prioritize fixing the search and logging latency to prevent total user attrition.
Where Is It Heading?
Mixed Signals
The category is shifting toward database-driven, high-utility tracking tools that prioritize speed and accuracy. Nutrient Calculator remains exposed due to technical debt in its core logging workflow, so it must pivot to a more robust infrastructure to remain relevant against commercial rivals.
High input latency in the diary workflow discourages daily use, which compounds the churn pressure from more responsive competitors.
Recent expansion of the food database shows active maintenance, which provides a foundation for future feature-set growth.