Comparison

PepTracker vs Zim HIIT

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

Head to head
About

PepTracker

This app helps users meticulously track peptide and GLP-1 medication doses. It allows for the creation of structured protocols, scheduling of injections, and calculation of precise syringe volumes. Users can monitor progress over time and receive reminders for upcoming doses.

Highlights
  • Log injection doses
  • Build peptide/GLP-1 protocols
  • Built-in dose calculator
  • Schedule reminders
  • Track progress metrics
  • Export logs
Features
Read full description

Track. Schedule. Never miss a dose. PepTracker is a dose log and protocol tracker built for peptides, GLP-1 medications, and testosterone. Create structured protocols, schedule injections, calculate exact syringe volumes, and keep a clean record of your progress in one simple app. What you can do with PepTracker • Log doses, not guesses – Track every injection with an easy dose log instead of notes or spreadsheets. • Build peptide and GLP-1 protocols – Create schedules for Semaglutide, Tirzepatide, Retatrutide, BPC-157, AOD-9604, TRT, and more. • Use the built-in dose calculator – Enter vial amount, diluent volume, and target dose (mg or mcg) to get the exact mL or insulin-syringe units to draw. • Stay on schedule – Get reminders for upcoming doses and see what’s due today on the Home screen and in the calendar. • Track progress over time – Log weight and other metrics to see how your protocol is trending. Made for real protocols PepTracker works well whether you’re: • Running a GLP-1 weight loss protocol (e.g., Semaglutide, Tirzepatide). • Managing peptide stacks for recovery, performance, or wellness. • Keeping a consistent TRT schedule and dose history. PepTracker Premium (optional upgrade) Unlock more structure and flexibility for advanced protocols: • Unlimited protocols and peptide stacking in a single schedule. • Advanced scheduling options and extended calendar views. • Save calculator results directly into protocols. • Full protocol history plus mood and energy tracking. • Export logs to CSV/PDF and sync with external calendars (Apple and Google). PepTracker is built for people who take their peptides and GLP-1 protocols seriously and want a clear, reliable way to stay organized. Download PepTracker today and simplify your peptide tracking—one dose at a time. https://peptracker.app/terms-of-service https://peptracker.app/privacy-policy Disclaimer: PepTracker is for informational and tracking purposes only and does not provide medical advice. Always consult a qualified healthcare provider before starting, changing, or stopping any medication or peptide protocol.

About

Zim HIIT

Features
Read full description

Zim HIIT is a simple and powerful interval timer designed for HIIT workouts, circuit training, Tabata sessions, cardio routines, strength workouts, and custom fitness programs. Create your own routines in seconds by combining exercise and rest blocks. Organize multiple sets, customize rest periods, and stay focused with a clean and distraction-free workout timer. Features: • Create unlimited workout routines • Build custom exercise and rest blocks • Time-based and repetition-based exercises • Multiple workout sets • Rest between sets • Large and easy-to-read timer • Workout history tracking • Training statistics • Workout calendar • Progress tracking • Modern and intuitive interface • Lightweight and easy to use Perfect for: • HIIT • Tabata • Circuit Training • Interval Workouts • Cardio • Strength Training • Functional Fitness • Home Workouts • Gym Sessions Whether you're a beginner or an experienced athlete, Zim HIIT helps you stay focused and train more efficiently.

Screenshots

PepTracker4 screens
Zim HIIT4 screens

Verdict

The call

The clearest difference is in-app purchases: Zim HIIT at none against PepTracker's 2. Zim HIIT also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18). On price and ads 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. PepTracker sells 2 in-app purchases, starting at $4.99 per month. Zim HIIT asks for nothing beyond the download.

Scorecard3 real differences · 7 level
PepTracker versus Zim HIIT: the parameters behind the verdict, then further details
ParameterPepTrackerZim HIIT
PriceFreeFree
Rating4.7 (413 ratings) — better—
Positive reviews77.4% of reviews—
Number of ratings413 — better—
Update frequencyEvery 2 weeks—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS1815.0 — better
Further details — not scored
Size17 MB29 MB
Age rating17+4+
DeveloperJayven Alan Villagomez PeredoJose Gustavo Zimbron Lara

Bugs and requests

PepTracker

Reported bugs

1 issue
  • Units function not working

Requested features

2 requests
  • Support for more units of measurement
  • Ability to track more than 2 protocols

Zim HIIT

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

PepTracker

Subscriptions2
  • Monthly$4.991 Month
  • Yeary7 Days trial$47.991 Year
None

Zim HIIT

No in-app purchases

Questions

Is PepTracker free?
PepTracker is free to download, with in-app purchases available.
Is Zim HIIT free?
Zim HIIT is free to download, with no in-app purchases.
Do PepTracker or Zim HIIT have ads?
Neither PepTracker nor Zim HIIT shows ads.

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