Report updated Jun 5, 2026
Protein Tracker.
For fitness enthusiasts and athletes who require a low-friction method to track daily protein intake.
Protein Tracker. is a well-regarded health & fitness app that is free with in-app purchases. With a 4.8/5 rating from 1.4K reviews, it maintains solid user satisfaction. Users particularly appreciate simplicity and focus, though subscription gating remains a common concern.
What is Protein Tracker.?
Protein Tracker is a health-focused logging app for iOS and Android that enables users to track daily protein intake via manual entry and AI-assisted photo analysis.
Users hire the app to reduce the friction of macro-nutrient logging, replacing complex, multi-purpose health platforms with a single-purpose tool that prioritizes speed and simplicity.
Current Momentum
v0.0 · 7mo ago
Maintenance- Maintained 4.81 rating on iOS.
- Ships regular stability updates.
Active Nemesis
Fastic Weight Loss & Fasting
By HealthVida GmbH & Co. KG.
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?
Photo-based protein estimation for meals, removing manual entry requirements.
Customizable shortcuts for frequently consumed protein sources to enable one-tap logging.
At-a-glance visualization of daily protein progress on the iOS home screen.
How much does it cost?
- Free: Manual logging and basic tracking
- Premium: AI meal analysis and HealthKit sync
Freemium model gates high-utility automation features behind a subscription to monetize power users.
Who Built It?
Kai Oelfke
Providing streamlined health and productivity utilities for users seeking distraction-free, privacy-focused digital tools.
Portfolio
7
Apps
What other apps does Kai Oelfke make?
Intermittent Fasting Tracker:
Sleep Cycle Bedtime Calculator
Stopwatch°
Delete Emails & Cleaner
Contacts Address Book: Amicu
Expense Tracker & Money
Explore the full Kai Oelfke report
Portfolio breakdown, audience, momentum, and every app published by Kai Oelfke.
What do users think recently?
High confidence · 80 reviews analyzed · Based on 80 reviews. Signal may be noisy.
How did the latest release land?
What is the recent mood?
Recent user voice shows a excited sentiment. Users appreciate simplicity and focus, but report subscription gating.
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 Protein Tracker.?
How's The Health & Fitness Market?
Market outlook for this category
Available very soon
The rivals identified
Nemeses(1)
Fastic competes directly by capturing the same health-conscious demographic, shifting the focus from simple protein logging to broader metabolic health and fasting protocols.
Differentiators
- Offers an AI-powered restaurant menu scanner that simplifies tracking while dining out at various establishments.
- Utilizes a proprietary 'Fastic Score' to gamify user progress and increase long-term daily retention rates.
- Integrates fasting timers and educational content that creates a broader ecosystem than simple protein logging.
Head to head
The target app must double down on its 'simple and powerful' niche to avoid being crushed by Fastic's feature-heavy ecosystem.
Contenders(4)
This app targets the same health-conscious audience but focuses on a specific nutritional pillar—fiber—rather than protein.
Clear competes for the attention of fitness-focused users who prioritize fasting schedules alongside their nutritional intake.
Nutrients overlaps with the target app by providing a deep, offline-accessible database of food information for precise macro tracking.
This app competes for the same user base by offering granular data visualization and metric tracking that complements protein intake goals.
Same space(3)
This app is a direct competitor in the fitness space, offering a comprehensive ecosystem that includes nutrition tracking.
Differentiators
- Provides access to 1-on-1 advisor support, creating a human-centric service layer that simple trackers cannot replicate.
- Hosts community-wide transformation challenges that drive high engagement and long-term user retention through social competition.
While niche, it competes for the same health-tracking user base by offering predictive modeling for physical growth.
Differentiators
- Utilizes a unique height prediction engine that provides personalized growth plans for younger or developing users.
- Focuses on a niche physiological metric that differentiates it from standard calorie or macro tracking apps.
It targets the same weight management demographic but provides a more educational, content-heavy approach to nutrition.
Differentiators
- Provides specialized content focused on lifestyle condition management and anti-aging through specific dietary interventions.
- Offers educational resources that position the app as a holistic health guide rather than just a tracker.
Compare Protein Tracker. 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 Protein Tracker.
Strengths to defend, gaps to attack
Core Strengths
- Distraction-free interface sustains high user satisfaction.
- Widget integration enables one-tap logging.
- Protein-specific focus differentiates from bloated competitors.
Critical Frictions
- Subscription-gated AI analysis limits free-tier utility.
- No cloud-save functionality despite user requests.
- 0.7-star rating gap between iOS and Android.
Growth Levers
- B2B distribution via fitness-coach partnerships.
- Wearable device integration for health tracking.
- Expanded macro-nutrient support for power users.
Market Threats
- AI-native entrants like Calsense disrupting manual entry.
- Multi-purpose trackers adding protein-specific modules.
- Platform-level health app updates reducing utility.
What are the next best moves?
Ship cloud-save in the next release because it is the top-requested missing feature → unlock data-loss frustration.
Cloud-save is the most frequent user request in sentiment data.
Trade-off: Push the wearable companion app sprint to Q3.
Audit Android onboarding because the 0.7-star rating gap suggests platform-specific friction → improve Android retention.
The rating gap between iOS and Android indicates platform-specific UX issues.
Trade-off: Pause the UI refresh for the iOS widget.
A counter-intuitive read
The app's simplicity is its primary moat, and adding complex macro-tracking features would likely erode the very retention that makes it a top-rated tool.
Feature Gaps vs Competitors
- Real-time data export (available in MacrosFirst but absent here)
- Barcode scanning (available in Sodium Tracker but absent here)
Key Takeaways
Protein Tracker holds its niche through a distraction-free interface, but the lack of cloud-save and the subscription-gated AI analysis create churn risks, so the PM should prioritize cloud-save to stabilize the user base.
Where Is It Heading?
Stable
The macro-tracking market is consolidating around AI-driven automation, and Protein Tracker's reliance on manual entry for the free tier leaves it exposed to AI-native entrants. The app must bridge the gap between its simple core and the advanced utility of competitors to maintain its current rating baseline.
High iOS rating (4.81) demonstrates strong user satisfaction with the current minimalist feature set.
Lack of cloud-save functionality creates a churn risk for users switching devices, which limits long-term retention.