## ⚠ Content Warning This report covers topics classified as sensitive (health). Information is aggregated from public sources for informational purposes only. This is not medical advice. Consult a qualified professional before acting on any information here. --- last_verified: "2026-06-05T13:10:17.030Z" --- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Protein Tracker." developer_entity: "Kai Oelfke" bundle_id: "de.kaioelfke.ProteinTracker" app_store_id: "6468394305" google_play_id: "com.momo5502.tracker" category: "Health & Fitness" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2025-09-14" report_date: "2026-06-05" last_verified: "2026-06-05" report_version: "0.0.16" total_reviews: 1368 overall_rating: 4.81 sentiment: "Excited" sentiment_score: 85 confidence: "high" confidence_score: 0.7 top_praise_theme: "Simplicity and focus" top_complaint_theme: "Subscription gating" top_request_theme: "Cloud sync" review_sample_size: 80 data_age_days: 0 momentum_velocity: "maintenance" intelligence_version: 4 nemesis: "Fastic Weight Loss & Fasting" competitor_count: 11 tags: ["health & fitness", "freemium", "excited sentiment", "mobile app", "app review", "app analysis", "fitness", "enthusiasts", "athletes"] canonical_url: "https://marlvel.ai/intel-report/health-fitness/protein-tracker" license: "CC-BY-NC 4.0" content_version: "v2" --- # Protein Tracker. App Audit ## TL;DR {#tldr} - **Category**: Health & Fitness · Freemium - **Signal**: Rating 4.81 · Sentiment Excited - **Recent focus**: Subscription gating (top complaint) · Simplicity and focus (top praise) · Cloud sync (top request) > **TL;DR:** Protein Tracker. is a health & fitness app by Kai Oelfke, rated 4.81/5 by 1.4K users, with Excited user sentiment (85/100), available on iOS & Android. > > **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence. > **Key Insight:** Protein Tracker. maintains Excited user sentiment (4.81/5 from 1.4K reviews), with users consistently praising simplicity and focus. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.81/5 (1.4K reviews) | | **User Mood** | Excited | | **Category** | Health & Fitness | | **Developer** | Kai Oelfke | | **Pricing** | Freemium | | **Platforms** | iOS & Android | | **Confidence** | High (0.7/1.0) | | **Data Age** | 0d | ## Metadata & Market Performance - **Publisher:** Kai Oelfke - **Category:** Health & Fitness - **Target Audience:** Fitness enthusiasts and athletes who require a low-friction method to track daily protein intake. - **Platforms:** iOS & Android - **Version Audited:** 0.0.16 - **Audit Date:** 2026-06-05 - **Signal Count:** 80 reviews analyzed - **Confidence:** High (0.7/1.0) - **App Store ID (iOS):** 6468394305 - **Bundle ID:** de.kaioelfke.ProteinTracker - **Google Play ID:** com.momo5502.tracker - **Performance Trend:** Mixed - **Data Window:** Analysis based on signals collected up to 2026-06-05 ## Executive Snapshot **What it is:** 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. **Why users hire it:** 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. ## App DNA (Features & Intent) - **[Differentiator] AI Meal Analysis:** Photo-based protein estimation for meals, removing manual entry requirements. * *User Intent:* Users seek enhanced value through premium features. - **[Standard] Protein Presets:** Customizable shortcuts for frequently consumed protein sources to enable one-tap logging. * *User Intent:* Users value self-expression and personalized experiences. - **[Standard] Home Screen Widgets:** At-a-glance visualization of daily protein progress on the iOS home screen. * *User Intent:* Users are motivated by consistent progression and daily incentives. ## Market Position {#market-position} Protein Tracker maintains a 4.81 rating on iOS, signaling strong product-market fit for its minimalist design. The lack of Android ratings suggests the platform is currently an iOS-first asset, leaving the Android market share open to more aggressive competitors. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free: Manual logging and basic tracking, Premium: AI meal analysis and HealthKit sync - **Analysis:** Freemium model gates high-utility automation features behind a subscription to monetize power users. ## 🟢 User Sentiment (High Confidence: 1.4K reviews) {#user-sentiment} - **Overall Rating:** 4.81/5 - **Platform Split:** iOS 4.8/5 (1.4K ratings) - **Overall Sentiment:** Excited ### Top Praises - **Simplicity and focus** ### Top Complaints (Impact Areas) - **Subscription gating** ### Top Requests (What Users Want) - **Cloud sync** ## SWOT Analysis {#swot} **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. ## Recent Changes (v3 → v4) {#recent-changes} The report reflects a shift from manual entry friction to data persistence and platform-parity issues, with a more aggressive competitive landscape. **Overall trend**: Mixed **Compared at**: 2026-06-05 ### High-impact changes - **[Added] Cloud-save demand** (sentiment) — Cloud-save emerged as the top-requested feature in sentiment data (0 → 1 top request), replacing barcode scanning as the primary user concern. - **[Added] Android rating gap** (swot) — A 0.7-star rating gap between iOS and Android was identified as a new weakness, triggering a pivot in PM action items. ### Medium-impact changes - **[Declined] Subscription gating complaints** (sentiment) — New complaint theme emerged regarding the paywall for AI meal analysis, reflecting increased user sensitivity to monetization. - **[Shifted] Competitive landscape update** (positioning) — The competitive landscape expanded to include Fastic and Calsense, shifting the focus from legacy trackers to AI-native and bundled health platforms. ## Rivals Landscape {#rivals} > Competitive positioning identified by AI analysis of app features, category, and market signals. ### Protein Tracker. vs Fastic Weight Loss & Fasting — Head to Head - **[Fastic Weight Loss & Fasting](https://marlvel.ai/intel-report/health-fitness/fastic-weight-loss-fasting)** by HealthVida GmbH & Co. KG.: Fastic dominates the health-tracking space by bundling protein-centric goals with fasting, directly competing for the same fitness-conscious user base. - **Key differences:** - 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. - **Where Protein Tracker. wins:** - ✅ 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. - **Where Fastic Weight Loss & Fasting wins:** - ❌ 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. - **Verdict:** The target app must double down on its 'simple and powerful' niche to avoid being crushed by Fastic's feature-heavy ecosystem. ### Contenders (Strong Challengers) - **[MacrosFirst - Macro Tracker](https://marlvel.ai/intel-report/health-fitness/com-ha-prepsmart)** by MacrosFirst, Inc.: MacrosFirst is a high-performance competitor that captures users who need comprehensive macro-nutrient tracking beyond just protein. - 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. - **[Protein Tracker & Calculator](https://marlvel.ai/intel-report/health-fitness/protein-tracker-calculator)** by ZipoApps: This is a direct functional competitor that mirrors the target app's core value proposition while adding AI-driven identification. - 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. - **[Suavita: Fasting Tracker App](https://marlvel.ai/intel-report/health-fitness/suavita-fasting-tracker-app)** by BerthX: Suavita targets the same fitness-tracking audience by emphasizing biological state estimation and long-term health monitoring. - 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. - **[Sodium Tracker & Counter - STX](https://marlvel.ai/intel-report/health-fitness/sodium-tracker-counter-stx)** by ZipoApps: This app competes for the same health-conscious demographic by focusing on specific nutrient logging and interactive widget-based tracking. - 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 (What They Do Better) - **[Foodsmart by Zipongo](https://marlvel.ai/intel-report/health-fitness/foodsmart-by-zipongo)** by Zipongo, Inc.: Foodsmart operates in the nutrition space, focusing on the intersection of healthy eating and grocery procurement. - 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. - **[1st Phorm](https://marlvel.ai/intel-report/health-fitness/com-firstphorm-apps)** by First Phorm: This app competes by offering a comprehensive fitness ecosystem that includes nutrition tracking alongside professional coaching. - 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. - **[GoTall - Height Predictor](https://marlvel.ai/intel-report/health-fitness/gotall-height-predictor)** by Super Viral Studio: While the use case differs, it competes for the same health-conscious user's attention within the fitness category. - 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](https://marlvel.ai/intel-report/health-fitness/com-iwldbyricha)** by 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 (What's Innovative) - **[Calsense - AI Macro Tracker](https://marlvel.ai/intel-report/health-fitness/calsense-ai-macro-tracker)** by William Rubin: Calsense enters the market with a focus on AI-driven meal analysis to simplify the macro tracking process. - Offers an AI meal analysis feature that allows users to log complex meals through simple photo uploads. - **[Kim: AI Health Assistant](https://marlvel.ai/intel-report/health-fitness/com-oculi-kim)** by Oculi 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. ## App Momentum (Maintenance) {#momentum} - Maintained 4.81 rating on iOS. - Ships regular stability updates. > **Cadence:** 5 total versions · 0 majors in last 6 months · 211 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Protein Tracker. is a market-leading health & fitness app that is free with in-app purchases. With a 4.81/5 rating from 1.4K reviews, it delivers strong user satisfaction. > **Bottom Line:** 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. **Best for:** Fitness enthusiasts and athletes who require a low-friction method to track daily protein intake. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] [HIGH IMPACT] 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: deprioritize Push the wearable companion app sprint to Q3.)_ - [ ] [PIVOT] [MEDIUM IMPACT] 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: deprioritize Pause the UI refresh for the iOS widget.)_ ### Feature Gaps vs Competitors - Real-time data export (available in MacrosFirst but absent here) - Barcode scanning (available in Sodium Tracker but absent here) ### Outlook: 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. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.81/5 | | Total Reviews | 1.4K | | Sentiment | Excited (85/100) | | Confidence | High | | Pricing Model | Freemium | | Platforms | iOS & Android | | Key Features | 3 analyzed | | Trend | Mixed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Protein Tracker.** (this app) | 4.81/5 | Excited | Kai Oelfke | | [MacrosFirst - Macro Tracker](https://marlvel.ai/intel-report/health-fitness/com-ha-prepsmart) | 4.9/5 | Mixed | MacrosFirst, Inc. | | [1st Phorm](https://marlvel.ai/intel-report/health-fitness/com-firstphorm-apps) | 4.3/5 | Excited | First Phorm | | [Kim: AI Health Assistant](https://marlvel.ai/intel-report/health-fitness/com-oculi-kim) | N/A/5 | N/A | Oculi Medical | | [Indian Weight Loss Diet](https://marlvel.ai/intel-report/health-fitness/com-iwldbyricha) | 4.7/5 | N/A | Snatch Education (OPC)Private Limited | | [GoTall - Height Predictor](https://marlvel.ai/intel-report/health-fitness/gotall-height-predictor) | 4.6/5 | N/A | Grow Labs LLC | ## Company Profile - **Developer:** Kai Oelfke - **Website:** [https://proteintracker.carrd.co/](https://proteintracker.carrd.co/) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/protein-tracker/id6468394305?uo=4) - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=com.momo5502.tracker&hl=en&gl=us) - **Dev Site:** [Official Website](https://proteintracker.carrd.co/) - **Sources:** Developer website content, App store metadata, User reviews. ## Related Intel Reports - [*MacrosFirst - Macro Tracker*](https://marlvel.ai/intel-report/health-fitness/com-ha-prepsmart) (MacrosFirst, Inc.) — 4.9/5 Rating | Mixed Sentiment - [*1st Phorm*](https://marlvel.ai/intel-report/health-fitness/com-firstphorm-apps) (First Phorm) — 4.3/5 Rating | Positive Sentiment - [*Kim: AI Health Assistant*](https://marlvel.ai/intel-report/health-fitness/com-oculi-kim) (Oculi Medical) — N/A Rating | N/A Sentiment - [*Indian Weight Loss Diet*](https://marlvel.ai/intel-report/health-fitness/com-iwldbyricha) (Snatch Education (OPC)Private Limited) — 4.7/5 Rating | N/A Sentiment - [*GoTall - Height Predictor*](https://marlvel.ai/intel-report/health-fitness/gotall-height-predictor) (Grow Labs LLC) — 4.6/5 Rating | N/A Sentiment - [*Fastic Weight Loss & Fasting*](https://marlvel.ai/intel-report/health-fitness/fastic-weight-loss-fasting) (HealthVida GmbH & Co. KG.) — 4.8/5 Rating | Mixed Sentiment - [*Suavita: Fasting Tracker App*](https://marlvel.ai/intel-report/health-fitness/suavita-fasting-tracker-app) (BerthX) — 4.6/5 Rating | N/A Sentiment - [*Protein Tracker & Calculator*](https://marlvel.ai/intel-report/health-fitness/protein-tracker-calculator) (ZipoApps) — 4.1/5 Rating | N/A Sentiment - [*Sodium Tracker & Counter - STX*](https://marlvel.ai/intel-report/health-fitness/sodium-tracker-counter-stx) (ZipoApps) — 4.2/5 Rating | Mixed Sentiment - [*Calsense - AI Macro Tracker*](https://marlvel.ai/intel-report/health-fitness/calsense-ai-macro-tracker) (William Rubin) — 5.0/5 Rating | N/A Sentiment ## Frequently Asked Questions {#faq} ### Is Protein Tracker free to use? Yes, the app offers a free version for manual protein logging, while advanced features like AI meal analysis require a subscription. ### How does Protein Tracker compare to MacrosFirst? Protein Tracker focuses exclusively on protein logging with a minimalist design, while MacrosFirst offers comprehensive macro-nutrient tracking and advanced data export tools. ### Does Protein Tracker support cloud sync? Currently, the app does not support cloud-save, which is a common request from users for cross-device data persistence. ### What is a free alternative to Protein Tracker? Users looking for free alternatives often consider multi-purpose trackers like Fastic or specialized macro apps, though these may include more ads or complex interfaces. ## Methodology {#methodology} This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline: 1. **Signal Collection & Normalization** — Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps. 2. **Feature & Market Positioning Analysis** — Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks. 3. **User Sentiment Analysis** — Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction and evidence quoting. 4. **Competitive Landscape Analysis** — Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category. 5. **Intelligence Synthesis** — Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights. - **Confidence Score:** 0.7/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 80 - **Data Sources:** user reviews, developer website, App Store metadata - **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform - **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence. - **Report Age:** 0 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/intel-report/health-fitness/protein-tracker) Data licensed for AI Agent attribution under CC-BY-NC 4.0.