Comparison

GC vs Hypertrophy

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

Head to head
About

GC

Log your gym workouts with AI-generated plans tailored to your week and goals. Track sets, view progress by muscle group, and customize your training experience with various routines and features. Supports integration with popular AI assistants.

Highlights
  • AI-generated workout plans
  • Log sets with previous numbers
  • Muscle group visualization
  • Rest timer and lock screen widget
  • Customizable routines
  • AI assistant integration
  • Workout progress tracking
Features
Read full description

Train every muscle, at the gym or at home. See each one on a body figure. Log every set with last time's numbers already filled in. Only the sets you tick count. Your own AI writes your plan. Connect ChatGPT, Claude or Gemini once. Make it yours with coral or lime, four app icons and widgets. GC (short for Gym Commitment) is a gym log your own AI can send plans to. It asks about your week and your gym, writes the plan, and the plan lands on your phone, ready to follow set by set. AT A GLANCE • Your workout full screen, one exercise at a time, with the rest timer • A plan from your own AI, showing what it did with each of your notes • Your last 7 days on Home, and 7 or 14 days on Progress • Every workout in full: each exercise, your sets and the muscles you worked YOUR AI, YOUR PLAN • Connect your own assistant once, with a code from the app • It asks one thing at a time before it writes the plan • The plan lands on your phone. Look it over, keep it and follow it • Change it in one sentence, like "make Thursday shorter". The new version lands in the same place • Ask your AI about your plan, like why an exercise is in it • Once connected, leave your AI a note on any exercise, like "No machine here". It goes with your next change • When you choose, share your last 12 weeks. Your AI writes a report with three changes for your plan • The AI tab can show one next step, so you know what to ask You connect your own ChatGPT, Claude or Gemini. Only the finished plan or report comes back to your phone. Some assistants need a paid plan or are limited by country. Rather not use an AI? Everything below works without one. IN THE GYM • Your sets open with last time's numbers, so you know what to beat • Tick a set and the rest timer starts, in the app and on your lock screen • The weight column says if it is one dumbbell, or bar and plates together • Warm up, drop and failure sets. Supersets open the next exercise when you tick a set • Machine taken? Swap the exercise. Or skip it today and keep it in your plan • Exercises show as pictures. Tap one to add it, or switch to a list • No routine? Tap Start and add exercises as you go • A new best gets a trophy on the set that beat it • Gym Time reminders on the days you pick ON YOUR LOCK SCREEN AND WRIST • A lock screen widget shows today's workout and your week • While you train, the Live Activity shows your exercise, your set and your rest. Add a photo from it during your workout • With your iPhone nearby, start, tick sets, change weight, reps and time, and finish from your Apple Watch ROUTINES, YOUR WAY • Ready-made routines for every situation: full body, upper lower, push pull legs, dumbbells only, machines only, home with no kit, 30 minutes, over 40 • Build your own, day by day, exercise by exercise • A friend or trainer builds one and sends you a link • Set a weekly goal. It counts from this week WHAT YOU SEE AFTER • Sets by muscle on a body figure, for any routine and for your week so far • Every lift on a graph, with personal records • Weekly, monthly and yearly reports that show the body parts you skipped • Progress photos kept with the session they came from. You can switch Photos off in Settings YOUR DATA • No account needed • Log every set with no signal. Form clips and your AI need a connection • Export every session and set as a CSV, whenever you want • In English, Spanish, Portuguese, Italian, German and French, following your phone or your pick in Settings WHAT PRO ADDS • More plans, changes and reports from your AI • Every earlier week, month and year • Every lift's progress back to day one • Every photo and every routine • Deeper insights with Advanced Mode • Backup to your own iCloud Questions or ideas: gymcommitmentapp@gmail.com Privacy: https://gymcommitment.com/privacy Terms: https://gymcommitment.com/terms ChatGPT is a trademark of OpenAI, Claude of Anthropic, and Gemini of Google. GC is not affiliated with any of them.

About

Hypertrophy

Log your strength training sessions, track personal records, and monitor muscle readiness. This app allows you to build custom routines, use a rest timer, and sync workouts with your Apple Watch and Health data.

Highlights
  • Log workouts and sets
  • Track personal records
  • Build custom routines
  • Rest timer between sets
  • Apple Watch workout sync
  • Muscle readiness estimation
  • Apple Health integration
Features
Read full description

Keep your strength training in one place. Hypertrophy helps you log workouts, record sets, and see how your training adds up over time. • Log workouts on iPhone or Apple Watch, revisit your history, and track personal records. • Choose from built-in exercises or add your own. • Build routines and use a rest timer between sets. • Start, log, and finish workouts on Apple Watch, with sets and rest timers synced to iPhone. • Home Screen, Lock Screen and Apple Watch widgets for today's training and recovery. • Sync workouts, routines and exercises through your private iCloud. • Record optional RPE for each set. • See muscle readiness based on your recent training. • Optionally connect Apple Health for workout saving, bodyweight, and recovery metrics. • Back up and restore your workouts, or export your sets as CSV. Core logging, Apple Watch workouts, history, Health integration, readiness, and backup and restore are free. Hypertrophy+ adds more than four routines, and app themes and icons. Hypertrophy+ is a one-time purchase with no subscription. No account is required. Your training log stays on your devices and in your own iCloud, never on a Hypertrophy server. Readiness is a training estimate, not a medical diagnosis. Privacy: https://hypertrophy-support.strole95.chatgpt.site/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

GC4 screens
Hypertrophy4 screens

Verdict

The call

The clearest difference is ads: Hypertrophy at none against GC's shown. GC's advantage is ratings volume (28 vs 2) and update cadence (every 3 days vs weekly). On price, rating, in-app purchases and monetization model 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. GC sells 4 in-app purchases, starting at $1.99 per month and Hypertrophy sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for GC against 5.0 for Hypertrophy. That said, the two scores are not equally well evidenced: GC has 28 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

GC ships an update every 3 days, Hypertrophy weekly. Both last shipped on October 31, 2026.

Scorecard4 real differences · 6 level
GC versus Hypertrophy: the parameters behind the verdict, then further details
ParameterGCHypertrophy
PriceFreeFree
Rating5.0 (28 ratings)5.0 (2 ratings)
Positive reviews100.0% of reviews—
Number of ratings28 — better2
Update frequencyEvery 3 days — betterWeekly
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPod, Apple Watch — betteriPhone, Apple Watch
Requires iOS15.1 — better26.0
Further details — not scored
Size100 MB42 MB
Age rating4+4+
Developergaurav khannaDevin Strole

Customer experience

GC

All ratings28 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews20 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Hypertrophy

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

GC

Subscriptions3
  • Gym Commitment Monthly$1.991 Month
  • Yearly with free trial1 Month trial$14.991 Year
  • Gym Commitment Pro Yearly$14.991 Year
One-time1
  • Lifetime Gym Commitment$39.99
3 purchases

Hypertrophy

Subscriptions2
  • Hypertrophy+$1.991 Month
  • Hypertrophy+7 Days trial$5.991 Year
One-time1
  • Hypertrophy+ Lifetime$3.99

Questions

Is GC free?
GC is free to download, with in-app purchases available.
Is Hypertrophy free?
Hypertrophy is free to download, with in-app purchases available.
Which has better reviews, GC or Hypertrophy?
GC and Hypertrophy are both rated 5.0 out of 5 on the App Store, from 28 and 2 ratings respectively.
Do GC or Hypertrophy have ads?
GC shows ads; Hypertrophy does not.
Which is updated more often, GC or Hypertrophy?
GC ships an update every 3 days, and Hypertrophy weekly. Most recently, GC was updated on October 31, 2026 and Hypertrophy on October 31, 2026.

Other comparisons