# BULLETSEEKER vs Speed Tracker mach4

The clearest difference is rating: BULLETSEEKER at 5.0 against Speed Tracker mach4's 3.7. BULLETSEEKER also leads on update cadence (every 10 days vs every 6 weeks). On price, ratings volume, 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.

BULLETSEEKER holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

BULLETSEEKER ships an update every 10 days, Speed Tracker mach4 every 6 weeks. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | BULLETSEEKER | Speed Tracker mach4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/bulletseeker/id1628507686/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/speed-tracker-mach4/id6446348164/reviews) |
| Number of ratings | 3 | 3 |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 55 MB | 78 MB |
| Requires iOS | 9 | 9 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Advantage Solutions, s. r. o.](https://appshunter.io/developer/1628507688) | [nVisti](https://appshunter.io/developer/1058574940) |

## What reviewers say

### BULLETSEEKER

[App page](https://appshunter.io/ios/app/bulletseeker/id1628507686)

This app utilizes Doppler radar technology to measure projectile speeds with high accuracy. It covers a wide speed range, making it suitable for various applications requiring precise velocity measurements.

**Highlights:** Doppler radar speed measurement, 250-1250 m/s speed range, High accuracy (< 0.1%), Supports iPhone, iPad, iPod

**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 BULLETSEEKER free?

BULLETSEEKER 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, BULLETSEEKER or Speed Tracker mach4?

BULLETSEEKER is rated higher. BULLETSEEKER averages 5.0 out of 5 from 3 ratings, while Speed Tracker mach4 averages 3.7 from 3 ratings.

### Do BULLETSEEKER or Speed Tracker mach4 have ads?

Neither BULLETSEEKER nor Speed Tracker mach4 shows ads.

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

BULLETSEEKER ships an update every 10 days, and Speed Tracker mach4 every 6 weeks. Most recently, BULLETSEEKER was updated on October 24, 2026 and Speed Tracker mach4 on October 17, 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.*