By Kai Oelfke
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 MoodAI-powered deep analysis surfacing high-signal insights. Still in beta, accuracy improves daily. For informational purposes only.
What makes this app unique?
What Does It Look Like?
How Is The App's Momentum Right Now?
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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
Who is Kai Oelfke?
The publisher maintains a lean, utility-first strategy that prioritizes functional simplicity over complex feature sets. By focusing on niche health and productivity tasks, they avoid direct competition with feature-heavy, subscription-locked incumbents. Their structural advantage lies in a low-friction, privacy-centric user experience that appeals to individuals looking for specific, ad-free, or simplified alternatives to mainstream trackers.
Who is Kai Oelfke for?
- Health-conscious individuals
- Professionals seeking efficient
- Privacy-focused tools for personal management
- Habit tracking
Portfolio momentum
Released 6 updates across 7 apps in the last 6 months, indicating a consistent maintenance and development cycle.
What other apps does Kai Oelfke make?
Intermittent Fasting Tracker:
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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
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
The Nemesis
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.
What sets Protein Tracker. apart
Provides a distraction-free, lightweight interface that avoids the bloat found in multi-purpose health platforms.
Focuses exclusively on protein intake, offering a more streamlined experience for users with specific macro goals.
What's Fastic Weight Loss & Fasting's Edge
Massive user base and brand recognition create a significant network effect that smaller apps cannot match.
Advanced AI features like menu scanning provide high-value utility that justifies a more complex user journey.
Contenders
Enables users to export their nutritional data to Excel or Google Sheets for advanced personal analysis.
Features a smart label scanner that automatically calculates macro math, saving users significant time during meal logging.
Leverages AI protein identification to automate food logging, reducing the friction of manual entry for users.
Offers deep Apple Health integration, allowing for seamless data synchronization with other fitness and health applications.
Includes advanced biological state estimation features that help users understand their body's metabolic status during fasting.
Supports long-term fasting tracking which appeals to a more dedicated and disciplined segment of the fitness market.
Features interactive home screen widgets that allow users to log data without opening the main app.
Provides specialized barcode scanning capabilities that significantly reduce the manual effort required for daily logging.
Peers
Integrates directly with grocery ordering services to bridge the gap between nutritional tracking and food purchasing.
Supports SNAP/EBT integration, making it a highly accessible tool for a broad demographic of health-conscious users.
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.
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.
Indian Weight Loss Diet
★4.3 (3.5K)Snatch Education (OPC)Private Limited
This app shares the health and fitness category, focusing on lifestyle management and weight loss education.
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.
New Kids on the Block
Offers an AI meal analysis feature that allows users to log complex meals through simple photo uploads.
Kim: AI Health Assistant
0Oculi Medical
This newcomer leverages conversational AI to disrupt the manual logging experience common in traditional trackers.
Utilizes a voice and chat-based interface to make food and supplement logging feel like a natural conversation.
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.