Comparison

GymJC vs PhaseKit

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

Head to head
About

GymJC

This app is a comprehensive workout tracker and gym log designed for simplicity and effectiveness. It offers a fast rep counter, interval timers, and tools for logging sets, reps, and weight. Visualize your progress with detailed charts and integrate with Apple Health for a complete fitness overview.

Highlights
  • Intuitive workout logging
  • 235+ exercises with video demos
  • Customizable interval timers (HIIT, Tabata, EMOM)
  • Supersets and tri-sets support
  • Progress visualization with charts
  • Body transformation tracking with photos
  • Apple Health integration
Read full description

Workout Tracker, Gym Log, Rep Counter & HIIT Timer – Log Reps, Sets & Workouts for Free GymJC is the workout tracker and gym log that keeps it simple. 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. 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 • Muscle recovery map: front and back views colored by how hard each muscle has been worked • 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 • Unlimited workout logging • 270+ exercise library with videos • Custom exercises & variations • Supersets & tri-sets • Built-in programs & templates • 1RM & Plate calculators • RPE tracking • Weekly stats & charts • Body measurements & progress photos (3-month history) • Personal records (recent) • iCloud sync • Interval timers (HIIT, Tabata, EMOM, AMRAP) • Rest timer + Live Activities • Apple Health sync • Backup & restore 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.

About

PhaseKit

Features
Read full description

PhaseKit is a flexible sequence timer for routines that need clear structure. Build custom interval routines for workouts, breathwork, mobility, study blocks, cooking, therapy, and repeatable daily flows. Create timer steps, organize them into groups, save routines, and start from the timer that matters now. Core features: - Build custom timer sequences - Organize timers into groups - Save and reload routines - Start from any timer in your sequence - Optional sound and spoken countdown settings - Live Activity support on compatible devices - Localized interface - Privacy-forward design with no third-party ads or analytics PhaseKit is free to download and use. An optional one-time purchase unlocks custom app colors. Core timer functionality remains free.

Screenshots

GymJC4 screens
PhaseKit4 screens

Verdict

The call

The clearest difference is update cadence: GymJC at weekly against PhaseKit's monthly. On price, ads, in-app purchases and device support 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. GymJC sells 2 in-app purchases, starting at $3.99 per month and PhaseKit sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

GymJC ships an update weekly, PhaseKit monthly. The most recent releases landed on September 29, 2026 and September 28, 2026 respectively.

Scorecard1 real difference · 8 level
GymJC versus PhaseKit: the parameters behind the verdict, then further details
ParameterGymJCPhaseKit
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyWeekly — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone
Requires iOS18.0 — better18.6
Further details — not scored
Size72 MB4 MB
Age rating4+4+
DevelopersemaroDominik Schmitt

In-app purchases

2 purchases

GymJC

Subscriptions2
  • GymJC Pro$3.991 Month
  • GymJC Pro$24.991 Year
1 purchases

PhaseKit

One-time1
  • Unlock Custom Colors$0.99

Questions

Is GymJC free?
GymJC is free to download, with in-app purchases available.
Is PhaseKit free?
PhaseKit is free to download, with in-app purchases available.
Do GymJC or PhaseKit have ads?
Neither GymJC nor PhaseKit shows ads.
Which is updated more often, GymJC or PhaseKit?
GymJC ships an update weekly, and PhaseKit monthly. Most recently, GymJC was updated on September 29, 2026 and PhaseKit on September 28, 2026.

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