Comparison

Peptide Tracker vs Calories Protein

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

Head to head
About

Peptide Tracker

Log peptide doses, track your progress, and analyze your body's response with this research log. Integrate with health data, manage supplies, and access educational summaries on various peptides. Share insights with a community of users.

Highlights
  • Log peptide doses and schedules
  • Track vial supply and reconstitution
  • Integrate with Apple Health data
  • Analyze bloodwork trends
  • Log training and nutrition
  • Access peptide reference library
Read full description

Stack is a self-tracking research log for adults running peptide protocols. Log every dose, see your schedule at a glance, and understand how your protocol lines up with what your body is actually doing. PROTOCOLS, DONE PROPERLY • Log doses in two taps, with schedules, titration steps, and cycle timelines • Curated Protocol Sheets — ready-made stacks with timelines, cautions, and one-tap clone • Active Supply tracking — see exactly how many mg remain in your vial and when to reconstitute • Reconstitution calculator and vial stability tracking WHERE YOUR PROTOCOL MEETS YOUR DATA • Apple Health integration: activity rings, workouts, heart rate zones, sleep, HRV • Cycle signals — see how recovery metrics trend across your protocol phases • Bloodwork: photograph a lab report and Stack structures every biomarker, with reference ranges and multi-report trend lines THE WHOLE PICTURE • Training log with strength scoring and Apple Watch auto-import • Nutrition tracking with AI meal-photo macro estimates and peptide-aware suggestions • A community feed to share results and templates with people running similar protocols • Full data export — your log is yours, in CSV or JSON A 44-peptide reference library provides plain-English educational summaries of published research, with cautions and interactions. IMPORTANT Stack is a tracking and educational tool for adults 18+. It does not provide medical advice, diagnosis, or treatment, and does not sell or source any compound. Anything you choose to track, you obtain and use at your own risk — always consult a licensed physician before starting, changing, or stopping any protocol.

About

Calories Protein

Effortlessly track your daily calorie and protein intake with quick logging options, including AI-powered food recognition from descriptions or photos. Monitor your progress towards daily goals with clear analytics and historical data. Share your daily summaries and export your entire history for comprehensive health management.

Highlights
  • AI-powered food logging from descriptions or photos
  • Quick add for recent and frequent foods
  • Daily calorie and protein goal tracking
  • Calorie, protein, and ratio trend analytics
  • Complete historical log with monthly grouping
  • Shareable daily summaries
  • CSV export of entire history
Features
Read full description

Calories Protein is a fast, no-fuss calorie and protein tracker. Log what you eat in seconds — type it, tap it from your own recent and frequent foods, or describe it (or snap a photo) and let AI estimate the calories and protein for you to review. • Today at a glance: totals, protein-to-calorie ratio, calories remaining, and protein still to go • Quick Add: one-tap logging of your favorite, recent, and frequent items • Add with AI: OpenAI GPT-6 Astra with high reasoning and priority processing estimates meal descriptions and photos for you to review before logging • Goals: daily calorie and protein targets with live remaining/over pills • Analytics: calorie, protein, and ratio trends with 7-day rolling averages — 30 days to all time • Log: your complete history, grouped by month with a year jump • Share Day: a tidy summary of your day for any chat • CSV export of your entire history • Use without an account for local logging • Sign in to sync with the Calories Protein web app — same account, same data No ads, no trackers, no subscription. Calories Protein is a logging tool. Goals, ratios, trends, and AI estimates are informational and not medical advice. Verify estimates before logging and consult a qualified clinician for medical nutrition needs.

Screenshots

Peptide Tracker4 screens
Calories Protein2 screens

Verdict

The call

The clearest difference is update cadence: Calories Protein at every 2 days against Peptide Tracker's every 10 days. Peptide Tracker's advantage is iOS requirement (15.1 vs 17.0). On price, rating, review sentiment and ratings volume 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Peptide Tracker against 5.0 for Calories Protein. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Peptide Tracker ships an update every 10 days, Calories Protein every 2 days. The most recent releases landed on September 29, 2026 and October 6, 2026 respectively.

Scorecard2 real differences · 8 level
Peptide Tracker versus Calories Protein: the parameters behind the verdict, then further details
ParameterPeptide TrackerCalories Protein
PriceFreeFree
Rating5.0 (4 ratings)5.0 (3 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings4 — better3
Update frequencyEvery 10 daysEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size42 MB11 MB
Age rating17+4+
DeveloperChristian Pa'uQUIET EYE ADVISORS LLC

Customer experience

Peptide Tracker

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Calories Protein

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Peptide Tracker

No in-app purchases

None

Calories Protein

No in-app purchases

Questions

Is Peptide Tracker free?
Peptide Tracker is free to download, with no in-app purchases.
Is Calories Protein free?
Calories Protein is free to download, with no in-app purchases.
Which has better reviews, Peptide Tracker or Calories Protein?
Peptide Tracker and Calories Protein are both rated 5.0 out of 5 on the App Store, from 4 and 3 ratings respectively.
Do Peptide Tracker or Calories Protein have ads?
Neither Peptide Tracker nor Calories Protein shows ads.
Which is updated more often, Peptide Tracker or Calories Protein?
Peptide Tracker ships an update every 10 days, and Calories Protein every 2 days. Most recently, Peptide Tracker was updated on September 29, 2026 and Calories Protein on October 6, 2026.

Other comparisons