---
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: "2026-08-06"
last_verified: "2026-08-06T00:00:00.000Z"
report_version: "0.0.16"
total_reviews: 1368
overall_rating: 4.8
sentiment: "Excited"
sentiment_score: 85
confidence: "high"
confidence_score: 0.7
top_praise_theme: "Simplicity and focus"
top_complaint_theme: "Subscription gating"
review_sample_size: 80
data_age_days: 9
momentum_velocity: "maintenance"
intelligence_version: 6
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/apps/protein-tracker"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

## ⚠ 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.

---

# Protein Tracker. Intelligence Report

## TL;DR {#tldr}

- **Category**: Health & Fitness · Freemium
- **Signal**: Rating 4.81 · Sentiment Excited
- **Recent focus**: Subscription gating (top complaint) · Simplicity and focus (top praise)

> **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.

<!-- speakable-start -->
> **Key Insight:** Protein Tracker. maintains Excited user sentiment (4.81/5 from 1.4K reviews), with users consistently praising simplicity and focus.
<!-- speakable-end -->

## 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** | 9d |

## 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 Reviewed:** 0.0.16
- **Report Date:** 2026-08-06
- **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 2026-08-06

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Protein Tracker is a health and fitness utility for iOS and Android that enables manual and AI-assisted protein intake logging.
**Why users hire it:** Users hire this app to reduce the cognitive load of nutritional tracking through a distraction-free, ad-free interface that avoids the bloat of general-purpose health platforms.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## 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.
<!-- /section:features -->

<!-- section:market-position -->
## Market Position {#market-position}

Protein Tracker maintains a 4.8-star rating across 1,368 reviews on iOS, positioning it as a high-satisfaction niche tool. The lack of Android traction (0 ratings) indicates a significant distribution gap compared to broader health-tracking competitors.
<!-- /section:market-position -->

## 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.

<!-- section:sentiment -->
## 🟢 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**

<!-- /section:sentiment -->
<!-- section:swot -->
## SWOT Analysis {#swot}

**Core Strengths:**
- Distraction-free interface sustains high user satisfaction ratings
- Home screen widgets provide immediate utility for daily tracking

**Growth Levers:**
- B2B partnerships with fitness influencers could drive organic acquisition
- Wearable integration would expand the utility beyond manual logging


<!-- /section:swot -->
## Recent Changes (v5 → v6) {#recent-changes}

The competitive outlook shifted from declining to mixed, reflecting a more balanced view of the app's niche utility versus its lack of active development.

**Overall trend**: Mixed
**Compared at**: 2026-08-06

### High-impact changes
- **[Shifted] Competitive outlook trend** (positioning)

### Medium-impact changes
- **[] Expanded SWOT analysis** (swot)
- **[] Formalized feature gaps** (features)

<!-- section:rivals -->
## Rivals Landscape {#rivals}

> Competitive positioning identified by AI analysis of app features, category, and market signals.

### Protein Tracker. vs Fastic Weight Loss & Fasting
- **[Fastic Weight Loss & Fasting](https://marlvel.ai/apps/fastic-weight-loss-fasting)** by HealthVida GmbH & Co. KG.: Fastic competes directly by capturing the same health-conscious demographic, shifting the focus from simple protein logging to broader metabolic health and fasting protocols.
  - **Key differences:**
    - Leverages AI-powered restaurant menu scanning to provide instant nutritional insights for dining out users.
    - Gamifies the user experience through a proprietary 'Fastic Score' that tracks long-term metabolic progress.
    - Integrates fasting-specific timers and educational content that creates a more comprehensive health ecosystem.

### Contenders (Strong Challengers)
- **[Fiber Tracker | Plant Power](https://marlvel.ai/apps/fiber-tracker-plant-power)** by Bart Jacobs: This app targets the same health-conscious audience but focuses on a specific nutritional pillar—fiber—rather than protein.
  - Utilizes an expert-informed methodology specifically designed to optimize gut health through plant diversity tracking.
  - Focuses on personalized goal setting that adapts to the user's specific dietary preferences and needs.
- **[Intermittent Fasting - Clear](https://marlvel.ai/apps/intermittent-fasting-clear)** by ZipoApps: Clear competes for the attention of fitness-focused users who prioritize fasting schedules alongside their nutritional intake.
  - Integrates relaxation content to support the mental health aspects of intermittent fasting and weight management.
  - Provides structured fasting plans that guide users through different levels of intensity and duration.
- **[Nutrients - Nutrition Facts](https://marlvel.ai/apps/com-pomegranatesoftware-myfood)** by Pomegranate Apps LLC: Nutrients overlaps with this app by providing a deep, offline-accessible database of food information for precise macro tracking.
  - Offers a robust offline nutrition database, ensuring users can track macros even without internet connectivity.
  - Includes a recipe builder that allows users to calculate protein content for complex, multi-ingredient meals.
- **[Simple Scales - Weight Tracker](https://marlvel.ai/apps/com-rocketvector-simplescales)** by Toast Studio Australia: This app competes for the same user base by offering granular data visualization and metric tracking that complements protein intake goals.
  - Provides advanced data visualization tools that allow users to correlate weight trends with nutritional intake.
  - Features customizable reminders that help users maintain consistency in their daily health logging routines.

### Peers (What They Do Better)
- **[1st Phorm](https://marlvel.ai/apps/com-firstphorm-apps)** by First Phorm: This app is a direct competitor in the fitness space, offering a comprehensive ecosystem that includes nutrition tracking.
  - Connects users with 1-on-1 advisor support to provide personalized guidance beyond what an automated app offers.
  - Runs structured transformation challenges that create high user retention through community and competitive incentives.
- **[GoTall - Height Predictor](https://marlvel.ai/apps/gotall-height-predictor)** by Grow Labs LLC: While niche, it competes for the same health-tracking user base by offering predictive modeling for physical growth.
  - Features a proprietary height projection engine that uses lifestyle data to forecast future physical development.
  - Provides highly specific, custom growth plans that differentiate it from general-purpose nutritional trackers.
- **[Indian Weight Loss Diet](https://marlvel.ai/apps/com-iwldbyricha)** by Snatch Education (OPC)Private Limited: It targets the same weight management demographic but provides a more educational, content-heavy approach to nutrition.
  - Focuses on lifestyle condition management and anti-aging through specific, culturally-relevant dietary education.
  - Employs a content-first strategy that prioritizes long-term habit change over simple daily metric logging.
- **[Always Fit - Viva mais](https://marlvel.ai/apps/app-alwaysfit-suplementos)** by ALWAYS FIT SUPLEMENTOS ALIMENTICIOS LTDA: This app serves the same fitness-oriented audience by combining supplement tracking with e-commerce and longevity content.
  - Integrates a direct-to-consumer purchase history and order tracking system for supplement replenishment.
  - Provides humanized support and longevity-focused content to build deeper community engagement than simple trackers.

### New Kids on the Block (What's Innovative)
- **[FastZen - Fasting Tracker](https://marlvel.ai/apps/fastzen-fasting-tracker)** by Benjamin Dupin: FastZen enters the market by focusing on the intersection of fasting and progress tracking, appealing to the same health-conscious users.
  - Visualizes fasting progress through 'fasting zones' to help users understand their metabolic state in real-time.
- **[Supplement Inventory](https://marlvel.ai/apps/supplement-inventory)** by Batikan Bozkurt Kursat: This newcomer targets the same fitness audience by adding inventory management to the standard nutritional tracking workflow.
  - Integrates a barcode scanner to simplify the logging of specific supplement brands and nutritional products.

<!-- /section:rivals -->
<!-- section:momentum -->
## App Momentum (Maintenance) {#momentum}

- Ships infrequent updates, maintenance mode.
- Maintains high user satisfaction ratings.

> **Cadence:** 5 total versions · 0 majors in last 6 months · 211 days since last update

<!-- /section:momentum -->

<!-- section:so-what -->
## The "So What?" (Strategic Takeaway) {#so-what}

Protein Tracker. is a health & fitness app that is free with in-app purchases.
It holds a 4.81/5 rating from 1.4K reviews.

<!-- speakable-start -->
> **Bottom Line:** Protein Tracker succeeds as a focused, ad-free utility, but the lack of cloud-save functionality and the aggressive gating of AI features limit its long-term retention, so the PM should prioritize cloud-save to stabilize the user base.
<!-- speakable-end -->

**Best for:** Fitness enthusiasts and athletes who require a low-friction method to track daily protein intake.

<!-- section:pm-actions -->
### PM Action Plan (Next Best Moves)

- [ ] [INVEST] Ship cloud-save functionality because it is the top-requested missing feature → unlock data-loss frustration
<!-- /section:pm-actions -->

<!-- section:feature-gaps -->
### Feature Gaps vs Competitors


- Offline nutrition database (available in Nutrients but missing here)
<!-- /section:feature-gaps -->

<!-- section:outlook -->
### Outlook: Mixed

Casual fitness tracking is consolidating around apps that offer broader metabolic insights, leaving Protein Tracker exposed to rivals with higher retention loops. The current maintenance-mode update cadence leaves the app vulnerable to faster-moving competitors who integrate AI-driven insights more effectively.

- 🔴 Lack of cloud-save functionality drives user frustration, which compounds the churn risk for power users who switch devices.
- ⚪ Recent updates focused on stability, no feature expansion, signaling a maintenance-mode posture that leaves the app vulnerable to feature-rich rivals.
<!-- /section:outlook -->

<!-- /section:so-what -->

<!-- section:metrics -->
## 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 | Mixed |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Protein Tracker.** (this app) | 4.81/5 | Excited | Kai Oelfke |
| [Nutrients - Nutrition Facts](https://marlvel.ai/apps/com-pomegranatesoftware-myfood) | 4.3/5 | n/a | Pomegranate Apps LLC |
| [1st Phorm](https://marlvel.ai/apps/com-firstphorm-apps) | 4.3/5 | Excited | First Phorm |
| [Always Fit - Viva mais](https://marlvel.ai/apps/app-alwaysfit-suplementos) | 5.0/5 | N/A | ALWAYS FIT SUPLEMENTOS ALIMENTICIOS LTDA |
| [Indian Weight Loss Diet](https://marlvel.ai/apps/com-iwldbyricha) | 4.7/5 | N/A | Snatch Education (OPC)Private Limited |
| [GoTall - Height Predictor](https://marlvel.ai/apps/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
- [*Nutrients - Nutrition Facts*](https://marlvel.ai/apps/com-pomegranatesoftware-myfood) (Pomegranate Apps LLC) · 4.3/5 Rating
- [*1st Phorm*](https://marlvel.ai/apps/com-firstphorm-apps) (First Phorm) · 4.3/5 Rating | Positive Sentiment
- [*Always Fit - Viva mais*](https://marlvel.ai/apps/app-alwaysfit-suplementos) (ALWAYS FIT SUPLEMENTOS ALIMENTICIOS LTDA) · 5.0/5 Rating
- [*Indian Weight Loss Diet*](https://marlvel.ai/apps/com-iwldbyricha) (Snatch Education (OPC)Private Limited) · 4.7/5 Rating
- [*GoTall - Height Predictor*](https://marlvel.ai/apps/gotall-height-predictor) (Grow Labs LLC) · 4.6/5 Rating
- [*Fastic Weight Loss & Fasting*](https://marlvel.ai/apps/fastic-weight-loss-fasting) (HealthVida GmbH & Co. KG.) · 4.8/5 Rating
- [*FastZen - Fasting Tracker*](https://marlvel.ai/apps/fastzen-fasting-tracker) (Benjamin Dupin) · N/A Rating
- [*Supplement Inventory*](https://marlvel.ai/apps/supplement-inventory) (Batikan Bozkurt Kursat) · N/A Rating
- [*Fiber Tracker | Plant Power*](https://marlvel.ai/apps/fiber-tracker-plant-power) (Bart Jacobs) · 4.7/5 Rating
- [*Intermittent Fasting - Clear*](https://marlvel.ai/apps/intermittent-fasting-clear) (ZipoApps) · 4.7/5 Rating

## 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 into synthesised themes (no verbatim quotes).
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:** 9 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/protein-tracker)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.