Comparison

FS VX vs 321.fit

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

Head to head
About

FS VX

This comprehensive golf app provides real-time club and ball data, 3D analysis, and video tools to enhance your training and fitting sessions. Optimize your performance by simulating various environmental conditions and analyzing swing mechanics with advanced features.

Highlights
  • Real-Time Club and Ball Data
  • 3D Club and Ball Analysis
  • Video Analysis with Split Screen
  • Environmental Optimizer
  • Pressure Shift Measurement
  • Mental Training Integration
Read full description

The FlightScope VX App is the most comprehensive teaching, fitting and training app for the completely wireless FlightScope X3, Xi Tour, Xi+, Xi, X2 Elite, and X2 golf tracking radars. The FlightScope VX App is the world's first and only golf app to include 3D club and ball data, Environmental Optimizer (FS|EO), video analysis, and speed and acceleration profiles. Now you can have the power of a golf studio in the palm of your hand. The app features the ability to do split screen video analysis with club data or ball flight trajectory. The app also includes a pressure shift measurement feature, new mental training integration with FocusBand, and D-Plane data screens for the most comprehensive set of data parameters available for golf. Some features and data may vary depending on your radar model. Highlights include : - Real-Time Club and Ball Data - 25 Data Parameters - Custom Data Viewing Options - 3D and 2D Club Analysis - Video Analysis - Split Screen Video and Data Comparison - Overlay D-Planes and view 3D visualization to compare swings - Custom Shot Comparison - Elliptical Shot Groupings - Sensor Alignment with mobile device camera - Driver Optimizer - FocusBand (mental training) integration - BodiTrak pressure mat integration - Golf ball normalization - Face to Path and Spin Loft parameters - Swing Trainer Feature ENVIRONMENTAL OPTIMIZER Change your environment without changing your location. Now you can prepare for all weather conditions and landscapes by modifying your environment to understand how climate variables affect your shots. FlightScope Environmental Optimizer allows you to configure the impact of: - Altitude - Air Pressure - Air Temperature - Relative Landing Height - Humidity - Wind Speed - Wind Direction Launch mode - Quick trajectory mode that creates a complete trace within 2 seconds of impact. Full shot mode - The trajectory animation time is improved to create a complete trace within 2.5 seconds of impact (indoor modes). Spin/roll editor - Change and customize spin rates to see the impact on other data parameters and the ball flight. ***************** This app requires the use of a FlightScope X3, X2, X2 Elite, Xi Tour, Xi+, or Xi model radar. ********************** This version runs on the two latest versions of iOS. This product is patented. www.flightscope.com/patents

About

321.fit

Features
Read full description

Train Smarter with 321fit! Find top sports coaches, book real-world training, and sync your schedule—all in one app. For Athletes & Coaches: - Find and book expert trainers for in-person sessions - Coaches can list their sessions and get discovered - Secure payments via Stripe or pay cash (if the coach allows) - Syncs with your calendar to avoid scheduling conflicts - Train in real gyms—no virtual coaching How It Works: 1. Coaches create sessions, and athletes book available slots 2. Athletes pay securely in-app or arrange offline payment 3. 321fit syncs with your calendar to prevent double-booking 4. Meet in person and start training

Screenshots

321.fit4 screens

Verdict

The call

The clearest difference is ads: FS VX at none against 321.fit's shown. FS VX also leads on iOS requirement (14.0 vs 17.0). 321.fit's advantage is update cadence (every 4 days vs every 3 weeks). On price, 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

FS VX ships an update every 3 weeks, 321.fit every 4 days. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 7 level
FS VX versus 321.fit: the parameters behind the verdict, then further details
ParameterFS VX321.fit
PriceFreeFree
Rating4.1 (8 ratings) — better—
Positive reviews71.4% of reviews—
Number of ratings8 — better—
Update frequencyEvery 3 weeksEvery 4 days — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPadiPhone, iPad — better
Requires iOS14.0 — better17.0
Further details — not scored
Size298 MB99 MB
Age rating4+4+
DeveloperFlightScopeSummer Advisors Ltd

In-app purchases

None

FS VX

No in-app purchases

None

321.fit

No in-app purchases

Questions

Is FS VX free?
FS VX is free to download, with no in-app purchases.
Is 321.fit free?
321.fit is free to download, with no in-app purchases.
Do FS VX or 321.fit have ads?
321.fit shows ads; FS VX does not.
Which is updated more often, FS VX or 321.fit?
FS VX ships an update every 3 weeks, and 321.fit every 4 days. Most recently, FS VX was updated on October 13, 2026 and 321.fit on October 7, 2026.

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