Comparison

Protocol Zero vs GymPact

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

Head to head
About

Protocol Zero

This app provides a personalized daily plan to improve sleep quality, incorporating science-backed techniques and sleep sounds. It guides users through setting consistent wake times, managing caffeine intake, and activating wind-down routines for better rest.

Highlights
  • Personalized daily sleep plan
  • Sleep sounds (white noise, rain)
  • Consistent wake time guidance
  • Caffeine cutoff reminders
  • Wind-down mode
  • CBT-I techniques
Read full description

Protocol Zero is the first Active Sleep Improvement based on Research It’s a system that gives you a clear, personalized daily plan so you know exactly what to do to sleep better starting tonight. New: Protocol Zero now includes sleep sounds you can play at night, including white noise, brown noise, rain, and calming audio. Use them alongside your personalized nightly routine to unwind faster and fall asleep more easily. YOUR PERSONAL SLEEP COACH Unlike most apps that only track your sleep, Protocol Zero guides you through a daily schedule designed to reset your body clock and improve your sleep quality. Each day, you get specific actions that make a real difference: - Set a consistent wake time and get morning light exposure to reset your internal clock and help you feel alert during the day - Follow precise caffeine cutoffs so late-day coffee or tea never interferes with your deep sleep - Activate wind-down mode in the evening, which blocks distracting apps and helps your mind and body relax before bed - Practice science-backed techniques from Cognitive Behavioral Therapy for Insomnia (CBT-I), proven to help you fall asleep faster and stay asleep longer HOW IT WORKS Your body depends on a 24-hour internal clock to regulate sleep. Protocol Zero anchors your day around two key signals: when you wake up and when you get morning light. The app then schedules your caffeine, meals, exercise, and wind-down activities into optimal time windows. This structure helps you build habits that make you naturally tired at bedtime, so you fall asleep more easily and wake up refreshed. No more lying awake wondering what went wrong. No more generic sleep tips that never stick. Protocol Zero gives you a clear, automated plan that builds lasting habits for deep, restorative sleep. SIMPLE, SCIENCE-BACKED, AND ACTIONABLE Protocol Zero combines the most effective techniques from CBT-I the gold standard for sleep improvement with modern behavioral science. Research shows that tracking your habits and making targeted changes leads to real, lasting results. We make these techniques simple to follow, so you can start seeing improvements right away. WHO IT’S FOR Protocol Zero is designed for healthy adults who want to optimize their sleep. It is an educational tool, not a medical device, and is not intended to diagnose or treat sleep disorders. If you suspect you have insomnia, sleep apnea, or another medical condition, consult a physician. Stop guessing about your sleep. Start following a clear plan and experience better rest tonight with Protocol Zero. *in-app subscription is required to use the app EULA: http://www.apple.com/legal/itunes/appstore/dev/stdeula

About

GymPact

This app helps you stick to your fitness goals by creating accountability pods with friends. Compete on weekly leaderboards, track your workouts, and build streaks. Unlock advanced features and analytics with a Pro subscription.

Highlights
  • Workout accountability pods
  • Weekly fitness leaderboards
  • Workout logging and streak tracking
  • Personal fitness streak tracker
  • Body measurements tracker
  • 3-month fitness seasons
Read full description

GymPact is the gym accountability app that makes skipping hard. Research shows you're 3× more likely to stick when someone is watching. GymPact puts 6 people in a pod together, ranks everyone weekly by who showed up most, and makes the person at the bottom post a public commitment. There's now a real consequence for skipping. PODS Join or create a workout accountability pod Weekly fitness leaderboard ranked by check-ins Real-time activity feed Pod Wars coming soon CHECK IN Log gym sessions after every workout Track push, pull, legs, cardio, full body and more Build your weekly workout streak SOLO MODE Personal fitness streak tracker Weekly gym challenges Body measurements tracker SEASONS 3-month seasons with rank resets Bronze to Elite fitness ranks Season 1 Founder badge for early users Free to start. Pro unlocks unlimited pods, full analytics, and streak protection.

Screenshots

Protocol Zero4 screens

Verdict

The call

The clearest difference is monetization model: GymPact at freemium against Protocol Zero's subscription. GymPact also leads on rating (5.0 vs 4.7) and iOS requirement (15.1 vs 17.2). Protocol Zero's advantage is ratings volume (201 vs 2). On price and in-app purchases 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. Protocol Zero sells 5 in-app purchases, starting at $12.99 per month and GymPact sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

GymPact holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Protocol Zero has 201 ratings behind it against 2, so its average is the more settled of the two.

Scorecard4 real differences · 6 level
Protocol Zero versus GymPact: the parameters behind the verdict, then further details
ParameterProtocol ZeroGymPact
PriceFreeFree
Rating4.7 (201 ratings)5.0 (2 ratings) — better
Positive reviews66.7% of reviews—
Number of ratings201 — better2
Update frequencyEvery 4 days—
AdsYes—
In-app purchasesYesYes
MonetizationSubscriptionFreemium — better
DevicesiPhone — better—
Requires iOS17.215.1 — better
Further details — not scored
Size123 MB30 MB
Age rating12+12+
DeveloperHumanOS LLCSev Labs LLC

In-app purchases

5 purchases

Protocol Zero

Subscriptions5
  • Protocol Zero Monthly$12.991 Month
  • Protocol Zero Annual Starter$19.991 Year
  • Protocol Zero Annual$29.991 Year
Show 2 more
  • Protocol Zero Pro$39.991 Year
  • Protocol Zero Pro$59.991 Year
2 purchases

GymPact

Subscriptions2
  • GymPact Pro Monthly$6.991 Month
  • GymPact Pro Annual$39.991 Year

Questions

Is Protocol Zero free?
Protocol Zero is free to download, with in-app purchases available.
Is GymPact free?
GymPact is free to download, with in-app purchases available.
Which has better reviews, Protocol Zero or GymPact?
GymPact is rated higher. Protocol Zero averages 4.7 out of 5 from 201 ratings, while GymPact averages 5.0 from 2 ratings.

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