GymJC vs RepTimer Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GymJC
Log your gym workouts, track muscle recovery, and plan future sessions based on your body's readiness. Features include a rep counter, interval timers, and detailed progress visualization. Syncs with Apple Health for comprehensive fitness tracking.
- Muscle recovery tracking
- Rep counter and interval timers
- Workout logging and progress charts
- Custom exercise creation
- Body transformation tracking
- Apple Health integration
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Workout Tracker, Gym Log, Rep Counter & HIIT Timer – Log Reps, Sets & Workouts for Free GymJC is the workout tracker and gym log that knows what you train, tracks muscle recovery, and builds your next workout from what's ready. A fast rep counter, HIIT timer, Tabata timer, and interval timer — all in one app. Built for strength training, bodybuilding, EMOM, AMRAP, and cardio. Log workouts, track progress with charts, and sync with Apple Health. YOUR NEXT WORKOUT, PLANNED FROM YOUR RECOVERY • Every set you log is tracked per muscle, so GymJC knows what's recovered and what's still recovering • Recovery workout: a ready-made session built from your recovered muscles and the exercises you already do • Muscle recovery map: front and back views colored by how hard each muscle has been worked WORKOUT TRACKING MADE SIMPLE • Log workouts quickly with an intuitive, distraction-free interface • 270+ exercises with professional video demos • Create custom exercises or variations from existing ones • Add your own photo to a custom exercise — it becomes its thumbnail and illustration • Write your own instructions, with links that open with a tap • Track sets, reps, weight, bodyweight, time, distance, duration • Add notes and location to each session ADVANCED TRAINING TOOLS • Interval timers: HIIT, Tabata, EMOM & AMRAP with voice cues, custom sounds & rep tracking — use built-in presets or create your own • Supersets & tri-sets • RPE (Rate of Perceived Exertion) tracking • Intelligent rest timer and workout timer with auto-start • 1RM Calculator with rep range estimates • Plate Calculator with visual barbell diagram • Live Activities on Lock Screen & Dynamic Island • Built-in programs: StrongLifts 5×5, PPL, Upper/Lower, Arnold Split & more • Create workout templates from scratch or save any workout as a reusable template YOUR PROGRESS, VISUALIZED • See your improvement with beautiful charts and detailed statistics • Interactive volume, duration, and frequency charts • Workout streak tracking • Muscle group distribution across 13 groups • Weekly, monthly, and yearly activity calendars • Progress views for week, month, year, or all time • Automatic personal record tracking • Share beautiful workout summary cards on social media — even overlay your stats on a gym selfie BODY TRANSFORMATION TRACKING • Progress photos: capture Front, Side, and Back poses • Ghost Mode: align new photos perfectly with a transparent overlay of your previous shot • Compare and share your transformation with side-by-side photo comparisons • Interactive body diagram for quick measurement logging • Multiple measurement points (weight, chest, waist, arms, legs, and more) • BMI calculation with health indicators • Visual progress charts for every measurement APPLE HEALTH INTEGRATION • Sync completed workouts, weight, and height with Apple Health • Review your heart rate chart after each session • Import weight and height from Apple Health PRIVACY-FIRST • Your data stays yours—always • All data stored locally or in your iCloud account • No third-party servers or data mining • Full backup & restore HOME SCREEN WIDGETS • Stay motivated with widgets showing weekly workouts, volume, duration, and your current streak FREE TO USE • Everything above is free — unlimited logging, the Recovery workout, programs, timers, iCloud sync and backups — with Pro unlocking the extras below GO PRO FOR MORE • Full stats: month, year, all time • Add up to 10 exercises per interval timer preset • Unlimited measurement & progress photo history • Complete personal records history • Backup import/export for full data portability Perfect for powerlifting, bodybuilding, CrossFit, calisthenics, or general fitness — GymJC adapts to any training style. Download GymJC and train your way to your strongest self.
RepTimer Pro
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RepTimer is a flexible workout timer and rep counter that keeps your training moving - one rep, rest, and exercise at a time. CREATE YOUR ROUTINE Build personalized workout plans with multiple exercises. Set reps, time per rep, rest between reps, rest after each exercise, notes, and the exercise order. TRAIN WITHOUT WATCHING THE CLOCK Start a session and RepTimer guides you through preparation, work, and rest. A clear countdown, automatic progression, voice or sound cues, and pause, resume, and skip controls help you focus on your form. STAY CONSISTENT • Save workout progress and resume later • Review completed and incomplete workout history • Track weekly, monthly, and yearly stats • Build and monitor workout streaks • Set a daily workout reminder at your preferred time • Share workout and progress recaps • Choose your language and light, dark, or system theme FREE AND PREMIUM Use RepTimer free to create up to 3 workout plans with up to 10 exercises each. RepTimer Premium unlocks unlimited workout plans and unlimited exercises per workout. Monthly, yearly, and lifetime purchase options are available. RepTimer is built for home workouts, strength sessions, bodyweight training, cardio, core work, and any routine that benefits from a clear rep-by-rep timer. Terms of Service: https://reptimer.ceeland.com/terms Privacy Policy: https://reptimer.ceeland.com/privacy
Screenshots
Verdict
The clearest difference is device support: RepTimer Pro at 3 against GymJC's 1. RepTimer Pro also leads on iOS requirement (15.1 vs 18.0). On price, ads 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
Both are free to download. GymJC sells 2 in-app purchases, starting at $3.99 per month and RepTimer Pro sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | GymJC | RepTimer Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 10 days | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 73 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | semaro | Hung Vu |
In-app purchases
GymJC
- GymJC Pro$3.991 Month
- GymJC Pro$24.991 Year
RepTimer Pro
- Premium Monthly$0.991 Month
- Premium Yearly$4.991 Year
- Premium Lifetime$7.99








