GC vs Treadline
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
Treadline
Track your runs and walks, collect virtual landmarks, and compete with friends. Earn badges for exploring new areas and build a personal history of your activities. Offers automatic tracking and social features to enhance your fitness journey.
- Collect virtual landmarks and badges
- Track distance, pace, and elevation
- Automatic start and auto-pause tracking
- See friends on the map and follow live
- Compete on leaderboards and in clubs
- Integrates with Apple Health
- Privacy controls for location and activity
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Collect badges on every run and walk. Loop a landmark like Big Ben and its badge is yours; close a loop anywhere and the ground inside is yours, until a clubmate takes it back. Treadline records your runs and walks — distance, pace, elevation gain and the route you took — puts everyone you know on the same board, and adds the year up into something you can actually look back on. Start it yourself, or let it start itself. Automatic tracking picks up sustained runs and everyday walks with your phone in your pocket, pauses at short stops, and ends the session when you are done. COLLECT LANDMARKS • 1,700+ famous Icons to claim, from Big Ben to the Golden Gate Bridge • 5,900+ City landmarks, each with its own artwork • Local spots near you: loop parks, lakes and more • Build your skyline of claimed landmarks and share it • See who else claimed each landmark on its claim board TRACK EVERY RUN AND WALK • Distance, pace, moving time and elevation gain • Splits cut per mile or kilometer, and a pace line for the whole activity • Your route on the map, and a flyover replay of it afterwards • Spoken updates while you go, so you do not have to look • Automatic start and auto-pause, or tap Start yourself YOUR YEAR, ADDING UP • Active days, total distance, total climb, moving time • Personal records called out the moment you beat one • A recap after every activity: route, effort, and what is next • Add a photo to a run you have just finished MOVE WITH FRIENDS • See friends on the map while you are both out • Follow a friend's run live • Leaderboards by distance, gain, activities, active time or best pace • Clubs — start one with your friends, compete for ground on your club's map, and put a group run on the calendar • Share any activity as a post, a story, or a transparent overlay for your own photo APPLE HEALTH • Runs, walks and routes saved to Health • Heart rate, active energy and cadence read back onto every activity • Steps, exercise minutes, cardio fitness and resting heart rate beside your own stats PRIVATE WHEN YOU WANT IT • Hide your live location from friends — sessions still save privately • Hide your activity from everyone, at any time • Block or report anyone • Analytics can be switched off in settings FREE, AND PRO Recording, distance, pace, elevation gain, friends, leaderboards, this year's routes and stats, and heart rate and energy on every activity are free. Treadline Pro adds every year of route history, career stats, your heatmap and Fog of War, the Toy World and Neon Coast map looks, heart-rate zones and effort, and side-by-side comparison with friends. Treadline is free to use. Treadline Pro is an optional auto-renewing subscription; a lifetime purchase is also available. Payment is charged to your Apple Account at confirmation of purchase. A subscription renews unless it is cancelled at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours of the end of that period. Manage or cancel in your Apple Account settings. Continued use of GPS running in the background can dramatically decrease battery life. Terms of Use: https://treadlineapp.club/terms.html Privacy Policy: https://treadlineapp.club/privacy.html
Screenshots
Verdict
The clearest difference is ads: Treadline at none against GC's shown. Treadline also leads on update cadence (daily vs every 3 days). GC's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 18.0). 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
Both are free to download. GC sells 4 in-app purchases, starting at $1.99 per month and Treadline sells 5 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for GC against 5.0 for Treadline. Both are backed by a comparable volume of ratings — 28 and 12 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
GC ships an update every 3 days, Treadline daily. The most recent releases landed on October 31, 2026 and November 1, 2026 respectively.
| Parameter | GC | Treadline |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (28 ratings) | 5.0 (12 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 28 — better | 12 |
| Update frequency | Every 3 days | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPod, Apple Watch — better | iPhone |
| Requires iOS | 15.1 — better | 18.0 |
| Further details — not scored | ||
| Size | 100 MB | 266 MB |
| Age rating | 4+ | 4+ |
| Developer | gaurav khanna | John Uschold |
Customer experience
GC
Treadline
In-app purchases
GC
- Gym Commitment Monthly$1.991 Month
- Yearly with free trial1 Month trial$14.991 Year
- Gym Commitment Pro Yearly$14.991 Year
- Lifetime Gym Commitment$39.99
Treadline
- Treadline Pro Weekly2 variants$3.997 Days
- Treadline Pro Yearly7 Days trial2 variants$49.991 Year
- Treadline Pro Yearly1 Year trial$49.991 Year
- Treadline Pro Lifetime$49.99
- Treadline Pro Lifetime$64.99









