Best apps like StackDay: Supplement & Peptide

10+ similar apps compared and reviewed

5.0 avg rating
10 free apps
Updated September 2026

Whether you want more options like StackDay or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to StackDay

More apps like StackDay

4
StackProof: Supplement Tracker
StackProof: Supplement Tracker
StackProof: Supplement Tracker
Supplement Experiment Tracker
Free
πŸ’ͺ Health & Fitness
(0)
5
Anabolic AI: Hypertrophy
Anabolic AI: Hypertrophy
Anabolic AI: Hypertrophy
AI Workout & Nutrition Coach
Free
πŸ’ͺ Health & Fitness
(0)
6
PeptideStack: Peptide Tracker
PeptideStack: Peptide Tracker
PeptideStack: Peptide Tracker
Educational stack & dose log
Free
πŸ’ͺ Health & Fitness
(0)
7
Pace Adjuster
Pace Adjuster
Pace Adjuster
by Andrew Lapin
Free

This app helps runners maintain their target pace during training and races. It provides real-time vibrational feedback to alert users if they are running too fast, too slow, or are on pace. Achieve your running goals with intelligent pace guidance.

Set goal pace and distanceReal-time vibrational feedbackAlerts for too fast/slow pace
πŸ’ͺ Health & Fitness
(1)
free
8
VitaL: Supplement Tracker
VitaL: Supplement Tracker
VitaL: Supplement Tracker
Log Doses. Stay Consistent.
Free

Easily log daily supplements, organize your vitamin stack, and receive timely reminders to ensure you never miss a dose. This app helps you track inventory, forecast refills, and review your consistency over time with clear insights.

Instant supplement loggingOrganize supplement stackCustom dose reminders
πŸ’ͺ Health & Fitness
(1)
freemium
9
MyPepTracker
MyPepTracker
MyPepTracker
by Gregory Roy
Free
πŸ’ͺ Health & Fitness
(0)
10
OnePin: TRT & Peptide Tracker
OnePin: TRT & Peptide Tracker
OnePin: TRT & Peptide Tracker
Stack, GLP-1 & Vial Log
Free

This app helps users meticulously track complex peptide and supplement protocols. It offers smart syringe grouping, phase-aware dose calculations, vial life management, and inventory tracking. Features include a body map injection site tracker and protocol templates for research peptide users and biohackers.

Complex protocol trackingSmart syringe groupingPhase-aware dose calculations
πŸ’ͺ Health & Fitness
(6)
freemium