# FX Radar vs Speed Tracker mach4

The clearest difference is rating: Speed Tracker mach4 at 3.7 against FX Radar's 3.2. Speed Tracker mach4 also leads on review sentiment (50% vs 42%) and iOS requirement (9 vs 15.0). FX Radar's advantage is ratings volume (44 vs 3). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Speed Tracker mach4 holds the better App Store score, 3.7 against 3.2. That said, the two scores are not equally well evidenced: FX Radar has 44 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 42% of FX Radar's written reviews are positive against 50% of Speed Tracker mach4's.

FX Radar ships an update monthly, Speed Tracker mach4 every 6 weeks. The most recent releases landed on October 17, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | FX Radar | Speed Tracker mach4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (44 ratings)](https://appshunter.io/ios/app/fx-radar/id1433908312/reviews) | **[3.7 (3 ratings)](https://appshunter.io/ios/app/speed-tracker-mach4/id6446348164/reviews)** |
| Number of ratings | **44** | 3 |
| Positive reviews | 41.5% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 44 MB | 78 MB |
| Requires iOS | 15.0 | **9** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [EX Corporation Oy](https://appshunter.io/developer/1391053704) | [nVisti](https://appshunter.io/developer/1058574940) |

## What reviewers say

### FX Radar

[App page](https://appshunter.io/ios/app/fx-radar/id1433908312)

This app records ballistic data from supported chronographs, allowing users to track pellet, BB, arrow, and paintball speeds. Create profiles for different testing scenarios, export data for analysis, and receive audio feedback for each shot.

**Highlights:** Real-time shot recording, Audio shout-outs for shots, Profile creation for settings, Data export to clipboard, Multiple unit readouts (FPS, MPS, FT Lbs, Joules, KMPH), Radar return adjustment

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Speed Tracker mach4

[App page](https://appshunter.io/ios/app/speed-tracker-mach4/id6446348164)

Measure the speed of objects using Doppler radar technology. This app accurately tracks speeds from 250 to 1250 m/s with precision better than 0.1%. Available on various Apple devices.

**Highlights:** Doppler radar speed measurement, Speed range: 250-1250 m/s, Accuracy better than 0.1%, Supports Apple Watch, iPhone, iPad, iPod

**In-app purchases:** none


## Frequently asked questions

### Is FX Radar free?

FX Radar is free to download, with no in-app purchases.

### Is Speed Tracker mach4 free?

Speed Tracker mach4 is free to download, with no in-app purchases.

### Which has better reviews, FX Radar or Speed Tracker mach4?

Speed Tracker mach4 is rated higher. FX Radar averages 3.2 out of 5 from 44 ratings, while Speed Tracker mach4 averages 3.7 from 3 ratings.

### Do FX Radar or Speed Tracker mach4 have ads?

Neither FX Radar nor Speed Tracker mach4 shows ads.

### Which is updated more often, FX Radar or Speed Tracker mach4?

FX Radar ships an update monthly, and Speed Tracker mach4 every 6 weeks. Most recently, FX Radar was updated on October 17, 2026 and Speed Tracker mach4 on October 1, 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.*