Comparison

Protein Tracker. vs BioDecay

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Protein Tracker.

Easily monitor your daily protein intake to reach your health and fitness objectives. Log meals, analyze protein content from photos, and view progress with detailed statistics and home screen widgets.

Highlights
  • Effortless protein tracking
  • Protein meal analysis via photo
  • Presets for common entries
  • Comprehensive statistics and charts
  • Home screen widgets
  • Reminder notifications
Read full description

Keep track of your daily protein intake with Protein Tracker for iPhone and iPad. Set a goal, log your meals, and see how your habits add up over time. No account or sign-up required. Log protein your way Enter protein directly in grams, calculate it from food weight and protein per 100 g, or track servings—including half portions. Choose what works best for each meal. Save time with presets Save foods and meals you eat regularly and add them again without re-entering the details. See your progress Explore your protein intake with statistics and charts to understand your habits over time. Check your progress at a glance Home Screen widgets show your daily protein intake and how much remains toward your goal. Stay consistent with reminders Set reminders to log your meals and receive a daily summary of your protein intake. Estimate protein with AI Take a photo or describe your meal to get a protein estimate without looking up each ingredient. Review and adjust the result before saving. AI estimates can be inaccurate. Requires Protein Tracker Pro. Keep your data in sync Sync entries, presets and goals across your devices with iCloud. Connect Apple Health to share protein entries and include protein data from other sources. Requires Protein Tracker Pro. Purchases and subscriptions Additional paid features are available through auto-renewable subscriptions. Available options, included features, and prices are shown in the app before purchase. Subscriptions renew automatically unless canceled. You can manage or cancel them in your App Store account settings. Health information Protein Tracker helps you track your protein intake. Its protein goal calculator and linked nutrition information provide general guidance, not personalized medical or dietary advice. Your protein needs depend on your health and individual circumstances. Consult a doctor, registered dietitian, or another qualified healthcare professional about an appropriate protein intake for you. Privacy: https://proteintracker.carrd.co/ Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

BioDecay

Features
Read full description

BioDecay: Science-Driven Supplement Optimization Master your body’s chemistry with clinical precision. BioDecay is far more than a standard tracking app. It is a high-precision pharmacokinetic modeling engine designed for those who demand a deeper understanding of bioavailability and metabolic behavior. Utilizing dynamic compartmental models, the platform visualizes in real-time how hydration, caffeine, and key supplements interact within your unique physiology. Key Features Real-Time Metabolic Modeling Visualize personalized absorption and decay curves. Gain immediate insights into exactly how water, caffeine, creatine, magnesium, and protein behave inside your system. Dynamic Bio-Interaction The BioDecay engine calibrates based on your current physiological state. If the system detects dehydration or high protein intake, it automatically adjusts the renal clearance rate of other substances to reflect your biological reality. Personalized Performance Plans Configure safety thresholds and daily goals tailored to your specific profile and objectives: General Health: Daily wellness and balance optimization. Hypertrophy: Focused on protein synthesis and creatine loading. Cutter/Definition: Precise adjustments for fat loss and metabolic control. Endurance and Performance: Maximizing energy efficiency and electrolyte balance. Historical Analysis and Integrated Calendar Manage your intake history and review the behavior of your metabolic curves for any past date. The integrated calendar view allows you to identify long-term patterns and trends in your performance. Professional PDF Reporting Generate and export detailed 30-day reports, including concentration levels, consumption trends, and goal compliance—ideal for deep-dive analysis or professional consultation. Environmental Context Integration BioDecay incorporates external variables such as ambient temperature alongside biological data—including weight, biological sex, and health habits—to accurately calculate fluid loss and metabolic rates. Stop guessing. Start optimizing. Download BioDecay and turn data into peak performance.

Screenshots

Protein Tracker.4 screens
BioDecay4 screens

Verdict

The call

The clearest difference is iOS requirement: Protein Tracker. at 18.0 against BioDecay's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Protein Tracker. sells 4 in-app purchases, starting at $1.99 per 7 days and BioDecay sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 9 level
Protein Tracker. versus BioDecay: the parameters behind the verdict, then further details
ParameterProtein Tracker.BioDecay
PriceFreeFree
Rating4.8 (1.8K ratings) — better—
Positive reviews98.5% of reviews—
Number of ratings1.8K — better—
Update frequencyEvery 11 days—
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad — betteriPhone
Requires iOS18.0 — better26.0
Further details — not scored
Size49 MB1 MB
Age rating12+17+
DeveloperKai OelfkeJose Gea

Bugs and requests

Protein Tracker.

Reported bugs

1 issue
  • Double entry issue causing incorrect protein count

Requested features

3 requests
  • Ability to set custom protein intake goals
  • Option to categorize entries by meal (breakfast, lunch, dinner)
  • Integration with Apple Watch for seamless tracking

BioDecay

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

Protein Tracker.

Subscriptions4
  • Unlimited AI$1.997 Days
  • Unlimited AI3 Days trial$1.997 Days
  • Unlimited AI$19.991 Year
Show 1 more
  • Unlimited AI3 Days trial$19.991 Year
1 purchases

BioDecay

One-time1
  • BioDecay Unlock$3.99

Questions

Is Protein Tracker. free?
Protein Tracker. is free to download, with in-app purchases available.
Is BioDecay free?
BioDecay is free to download, with in-app purchases available.
Do Protein Tracker. or BioDecay have ads?
Neither Protein Tracker. nor BioDecay shows ads.

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