# Kestrel LiNK Ballistics vs Speed Tracker mach4

The clearest difference is rating: Speed Tracker mach4 at 3.7 against Kestrel LiNK Ballistics's 2.9. Speed Tracker mach4 also leads on review sentiment (50% vs 24%) and update cadence (every 6 weeks vs every 3 months). Kestrel LiNK Ballistics's advantage is ratings volume (63 vs 3). On price, ads, in-app purchases and monetization model 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 2.9. That said, the two scores are not equally well evidenced: Kestrel LiNK Ballistics has 63 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 24% of Kestrel LiNK Ballistics's written reviews are positive against 50% of Speed Tracker mach4's.

Kestrel LiNK Ballistics ships an update every 3 months, Speed Tracker mach4 every 6 weeks. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Kestrel LiNK Ballistics | Speed Tracker mach4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (63 ratings)](https://appshunter.io/ios/app/kestrel-link-ballistics/id1059522399/reviews) | **[3.7 (3 ratings)](https://appshunter.io/ios/app/speed-tracker-mach4/id6446348164/reviews)** |
| Number of ratings | **63** | 3 |
| Positive reviews | 24.1% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 29 MB | 78 MB |
| Requires iOS | 15.0 | **9** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Nielsen-Kellerman Co.](https://appshunter.io/developer/698732840) | [nVisti](https://appshunter.io/developer/1058574940) |

## What reviewers say

### Kestrel LiNK Ballistics

[App page](https://appshunter.io/ios/app/kestrel-link-ballistics/id1059522399)

Manage your connected Kestrel Ballistics device to enhance shooting accuracy. Create and store gun profiles, access extensive bullet libraries, and view shooting solutions remotely. The app also facilitates firmware updates for your device.

**Highlights:** Gun profile management, Access bullet libraries, Remote target viewing, Custom target creation, Printable range cards, Firmware updates

**Features:** macOS Compatibility, Apple Wallet, 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 Kestrel LiNK Ballistics free?

Kestrel LiNK Ballistics 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, Kestrel LiNK Ballistics or Speed Tracker mach4?

Speed Tracker mach4 is rated higher. Kestrel LiNK Ballistics averages 2.9 out of 5 from 63 ratings, while Speed Tracker mach4 averages 3.7 from 3 ratings.

### Do Kestrel LiNK Ballistics or Speed Tracker mach4 have ads?

Neither Kestrel LiNK Ballistics nor Speed Tracker mach4 shows ads.

### Which is updated more often, Kestrel LiNK Ballistics or Speed Tracker mach4?

Kestrel LiNK Ballistics ships an update every 3 months, and Speed Tracker mach4 every 6 weeks. Most recently, Kestrel LiNK Ballistics was updated on October 24, 2026 and Speed Tracker mach4 on October 17, 2026.

---

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