Comparison

FitnessSyncer vs Rack

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

Head to head
About

FitnessSyncer

Consolidate health and fitness data from over 50 apps and wearables into a single dashboard. Gain insights, track trends, and set goals with customizable reports and AI-powered analysis. Export your data and sync across devices.

Highlights
  • Connects 50+ apps and wearables
  • 11 free ready-made reports
  • AI-powered data analysis
  • Customizable goals and alerts
  • Data export to cloud services
  • Home screen widgets
  • Duplicate activity removal
Features
Read full description

See what your health data is telling you. FitnessSyncer brings more than 50 apps and wearables into one dashboard, with reports, trends, and insights you can act on. Now in 29 languages. INSIGHTS FROM DAY ONE * 11 ready-made reports, free, from Heart and Sleep to Diabetes and ECG. * Trends shows only what genuinely moved, not the noise. * Goals, Alerts, and Leaderboards: set a target, get told when you hit it, and compete with friends and teams. * Home screen widgets: your last 7 days, goals, latest glucose, and more. EXPLORE YOUR DATA * Stream: every workout with maps, heart rate, elevation, and splits. * Compare activities, nights of sleep, or ECG recordings side by side. * Daily Analyzer, Your Best, Calendar, and Maps. ALL YOUR APPS IN ONE DASHBOARD * Connect more than 50 apps and wearables, including Apple Health, Coros, Dexcom, Fitbit, Garmin Connect, Hammerhead, Hevy, Keto-Mojo, Oura, Polar, Rouvy, Strava, Suunto, TrainingPeaks, Ultrahuman, Wahoo, Withings, Whoop, and Zepp Amazfit. Full list: https://www.fitnesssyncer.com/support/supported-apps-and-services * Activities, steps, sleep, body composition, blood pressure, glucose, nutrition, SpO2, ECG, cycle tracking, lab results, bone density, and more. * Remove Duplicates keeps a workout recorded by two devices from counting twice. * Bring your history: your recent history when you connect, and with Pro, everything your services kept, such as 5 years from Garmin. AI THAT KNOWS YOUR DATA * Connect your AI assistant through our MCP server and ask about your data in plain language. * It can act, not just answer: set goals, log to your Notebook, summarize ECG history. * You choose what it can reach, and can revoke that. YOUR DATA, YOUR WAY * Export health data to CSV files in your own cloud storage, and keep a backup of your fitness data that updates itself. * Cloud services keep syncing even when your phone is off. * Sync or check goals from the Shortcuts app. * Email Progress Reports for coaches, family, or friends. * Notebook: log anything by hand, with a lab report or scan attached. * Accessible: VoiceOver, larger text, and Reduce Motion. APPLE HEALTH INTEGRATION * Read Apple Health data or supplement it from our 50+ sources. Enable Notifications to sync automatically. Free for up to 5 source or destination tasks. FitnessSyncer Pro adds unlimited sources and destinations, sync on your schedule, your full history, and dashboards you build on the web. Pro is $5.99/month or $59.99/year, billed to your Apple ID. Your subscription renews automatically unless canceled at least 24 hours before the end of the current period in your Apple ID account settings. FitnessSyncer is designed for general fitness and wellness purposes and is not intended for medical use. Terms: https://www.fitnesssyncer.com/about/terms.html — Privacy: https://www.fitnesssyncer.com/about/privacy-policy.html

About

Rack

Log your weightlifting sets and reps directly from your wrist, even offline. Plan workouts on your phone and execute them with your paired smartwatch. Track runs and cardio sessions, and visualize your progress with detailed charts and recovery insights.

Highlights
  • Log sets and reps from your wrist
  • Plan workouts on phone, execute on watch
  • Offline workout tracking
  • Track runs and cardio with GPS
  • Automatic personal record detection
  • Muscle recovery and readiness scores
  • Import/export workout history
Read full description

Your lifts and your runs in one training log. Link Garmin Connect and your Rack workouts can upload there automatically. Log every set's weight and reps from your wrist. No rep counter to fix afterwards. Plan per-set weights and supersets on your phone, then lift from your watch, even offline. Rack is a hybrid training app for iPhone and Garmin watches. Use it on your phone alone, or pair a supported Garmin watch and run the workout from your wrist. ON YOUR WATCH - See the current exercise, its target reps and weight, and your notes - Adjust weight or reps, then confirm the set - Rest timer with +/- adjust and the next set's target - Live heart rate, from the watch or a paired chest strap - Undo a set or reorder exercises from the wrist - No phone? Send a routine to the watch first, train offline, and the sets sync back when you reconnect - A distinct vibration when you finish a workout with a new personal record ON YOUR PHONE - Build routines with per-set reps, weight and rest, supersets, RPE or RIR targets, tempo and warm-up sets - Start from preset routines and ready-made programs, or build your own weekly or custom-length program - Rest timer, hold timer for planks and carries, and a Live Activity on the Lock Screen - Swap or reorder exercises mid-workout RUNS AND CARDIO - Track a run, ride or other cardio session on your phone, with GPS distance and pace - Build interval workouts from warm-up, work, recovery and cool-down steps with repeats - Review splits, heart-rate zones and a heart-rate chart after each session - Import runs and rides from Apple Health so they sit next to your lifts PROGRESS AND RECOVERY - Personal records detected automatically: weight, volume and estimated 1RM - Per-exercise charts, a PR timeline and muscle-group volume over time - A muscle recovery map that updates from your strength and cardio training - A readiness score that can include Body Battery and stress from a paired Garmin watch - Plateau and muscle-imbalance flags BRING YOUR HISTORY - Import from Hevy, Strong or Fitbod (CSV export) - Export your history as CSV or XLSX - Completed workouts save to Apple Health OPTIONAL AI FEATURES Training Intelligence stays off until you turn it on. With it on, Rack can look into a stalled lift and propose program changes, which you approve or skip one by one. SUPPORTED WATCHES Garmin fenix, Forerunner, Instinct, Venu, epix, Enduro, Descent, tactix, MARQ, D2, Approach and quatix families (60+ models). Install the Rack watch app from the Connect IQ Store. RACK PRO Rack is free to download. The free plan keeps a 90-day history window and up to 3 routines. Pro adds full history, no routine limit, ranked exercise swap suggestions, automatic progression rules and a monthly Training Audit. Pro is $8.99/month or $54.99/year, each with a 2-week free trial, or a one-time Lifetime purchase ($119.99 while Charter seats last). US prices; prices in other countries may differ. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Payment is charged to your Apple ID. Manage or cancel in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://rackstrength.com/privacy Garmin, Garmin Connect and the Garmin device names above are trademarks of Garmin Ltd. or its subsidiaries. Rack is not affiliated with or endorsed by Garmin.

Screenshots

FitnessSyncer4 screens
Rack4 screens

Verdict

The call

The clearest difference is review sentiment: Rack at 86% against FitnessSyncer's 19%. Rack also leads on rating (4.0 vs 2.6) and update cadence (every 10 days vs every 4 months). On price, ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. FitnessSyncer sells 2 in-app purchases, starting at $5.99 per month and Rack sells 7 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Rack holds the better App Store score, 4.0 against 2.6. Both are backed by a comparable volume of ratings — 23 and 12 respectively. Written reviews point the same way: 19% of FitnessSyncer's written reviews are positive against 86% of Rack's.

UpkeepUpdate frequency

FitnessSyncer ships an update every 4 months, Rack every 10 days. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 7 level
FitnessSyncer versus Rack: the parameters behind the verdict, then further details
ParameterFitnessSyncerRack
PriceFreeFree
Rating2.6 (23 ratings)4.0 (12 ratings) — better
Positive reviews18.8% of reviews85.7% of reviews — better
Number of ratings23 — better12
Update frequencyEvery 4 monthsEvery 10 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPad — betteriPhone
Requires iOS16.0 — better17.0
Further details — not scored
Size82 MB43 MB
Age rating4+4+
DeveloperFX Development, Inc.Aviv Noah

Customer experience

FitnessSyncer

All ratings23 ratings
Positive39.1%
Neutral4.3%
Negative56.5%
Written reviews48 reviews
Positive18.8%
Neutral4.2%
Negative77.1%

Rack

All ratings11 ratings
Positive72.7%
Neutral9.1%
Negative18.2%
Written reviews7 reviews
Positive85.7%
Neutral14.3%
Negative0.0%

In-app purchases

2 purchases

FitnessSyncer

Subscriptions2
  • FitnessSyncer Pro Monthly Subscription$5.991 Month
  • FitnessSyncer Pro Annual Subscription$59.991 Year
7 purchases

Rack

Subscriptions2
  • Monthly Pro14 Days trial$8.991 Month
  • Annual Pro14 Days trial$54.991 Year
One-time5
  • Training Audit$1.49
  • Training Audit 3-Pack$3.99
  • Lifetime Pro$89.99
Show 2 more
  • Rack Charter Lifetime$119.99
  • Lifetime Pro$149.99

Questions

Is FitnessSyncer free?
FitnessSyncer is free to download, with in-app purchases available.
Is Rack free?
Rack is free to download, with in-app purchases available.
Which has better reviews, FitnessSyncer or Rack?
Rack is rated higher. FitnessSyncer averages 2.6 out of 5 from 23 ratings, while Rack averages 4.0 from 12 ratings.
Do FitnessSyncer or Rack have ads?
Neither FitnessSyncer nor Rack shows ads.
Which is updated more often, FitnessSyncer or Rack?
FitnessSyncer ships an update every 4 months, and Rack every 10 days. Most recently, FitnessSyncer was updated on November 6, 2026 and Rack on November 5, 2026.

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