# FS VX vs 321.fit

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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.

## The numbers

| Metric | FS VX | 321.fit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (8 ratings)](https://appshunter.io/ios/app/fs-vx/id602526051/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 298 MB | 99 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [FlightScope](https://appshunter.io/developer/352075182) | [Summer Advisors Ltd](https://appshunter.io/developer/1520978630) |

## What reviewers say

### FS VX

[App page](https://appshunter.io/ios/app/fs-vx/id602526051)

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

**In-app purchases:** none


### 321.fit

[App page](https://appshunter.io/ios/app/321fit/id6471964595)

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*