BULLETSEEKER vs Speed Tracker mach4
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BULLETSEEKER
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.
- Doppler radar speed measurement
- 250-1250 m/s speed range
- High accuracy (< 0.1%)
- Supports iPhone, iPad, iPod
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The speed Doppler radar cover 250 to 1250 m/s ( 820 - 3940 fps ) speed range with an accuracy better than 0.1 %
Speed Tracker mach4
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.
- Doppler radar speed measurement
- Speed range: 250-1250 m/s
- Accuracy better than 0.1%
- Supports Apple Watch, iPhone, iPad, iPod
Read full descriptionHide full description
The speed Doppler radar cover 250 to 1250 m/s ( 820 - 3940 fps ) speed range with an accuracy better than 0.1 %
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | BULLETSEEKER | Speed Tracker mach4 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | 3.7 (3 ratings) |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | 3 | 3 |
| Update frequency | Every 10 days — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 9 | 9 |
| Further details — not scored | ||
| Size | 55 MB | 78 MB |
| Age rating | 4+ | 4+ |
| Developer | Advantage Solutions, s. r. o. | nVisti |
Customer experience
BULLETSEEKER
Speed Tracker mach4
In-app purchases
BULLETSEEKER
No in-app purchases
Speed Tracker mach4
No in-app purchases
Questions
Is BULLETSEEKER free?
Is Speed Tracker mach4 free?
Which has better reviews, BULLETSEEKER or Speed Tracker mach4?
Do BULLETSEEKER or Speed Tracker mach4 have ads?
Which is updated more often, BULLETSEEKER or Speed Tracker mach4?
Other comparisons
