Speed Tracker mach4 vs Eagle Ballistics
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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 %
Eagle Ballistics
This app provides advanced ballistics calculations for long-range shooting and competitive marksmanship. It offers detailed environmental adjustments, wind correction, and trajectory predictions. A free version is available with limitations, alongside tiered subscriptions for enhanced features and range.
- Fast and accurate ballistic engine
- Environmental and wind correction
- Gyroscopic stability analysis
- Built-in documentation and videos
- PRS mode for multi-target and moving targets
- Bluetooth connectivity for sensors and rangefinders
Read full descriptionHide full description
A full featured ballistics app for long range hunters and PRS shooters. Incredibly fast and accurate ballistic engine. Many calibration and setup tools. Detailed documentation is built-in. Free Download includes almost all features with 100yd Range limitation. Paid subscriptions: * Lite Subscription: Most features are available up to 500yd * Long Range: No range limit * PRS: Multi-Target and Moving Targets Documentation and Videos * Detailed Built-in Documentation for all Features * Videos: see http://eagleballistics.com Ballistic Engine * Ballistic Coefficient * Gyroscopic Stability * Air: Temperature, Pressure, Humidity, Density * Wind: Cross, Head/Tail * Angle Modified Range * Spin Drift * Aerodynamic Jump * Coriolis (horizontal) * Vertical Eotvos * Gravity Adjustment * Tripod shooting error correction * Valley Wind Correction Calculations * Max-ordinate calculation * Retained Energy on Impact * Retained Velocity on impact * Flight Time * Speed of Sound * Transonic Zone Wind * Manual Entry * Bluetooth Wind Meter Advanced Wind Subscription includes Rain and Mirage conversion tools Rain and Mirage to Windspeed Converter Supported iPhone Sensors * Latitude from internal GPS * Station Pressure * Camera * Screen Ruler * Angle Sensor for Inclination * Compass for Azimuth Bluetooth Connectivity * Most Range Finders * Most Environmental Sensors * Most Wind Meters Warning * Excessive bullet RPM * Insufficient Gyroscope Stability * Max Hunting Range for Lead/Copper Bullets Units * MOA or MIL Scope Turrets * Imperial and Metric Units Built in Tools & Calibration * Scope Correction Factor Calculator * Ballistic Coefficient and Muzzle Velocity Truing * Scope Height: Visual Ruler or Calipers * Zero Height & Offset: Visual Ruler * Ranging with Reticle and/or Animal Size * Target Inclination and Azimuth * Target Speed * Wind Average Databases * Rifle (Max 30 Rifles) * Bullets Library * Lane/Targets Range Cards * Standard Drop Table * Wind Variation Table * Detailed Target Analysis * Rifle Stock Table PRS Mode * Multiple Lanes with Multiple Targets * Instant Calculation and Update for All Targets * Relative Wind According to Target Azimuth * Allows Wind Variation Settings * Moving Target Lead Calculation Diagnostics * Sensitive Analysis * Accuracy Analysis License: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://eagleballistics.com/privacy-policy Patent No .: US 11,415,592 B2
Screenshots
Verdict
The clearest difference is rating: Eagle Ballistics at 4.8 against Speed Tracker mach4's 3.7. Eagle Ballistics also leads on review sentiment (75% vs 50%) and ratings volume (30 vs 3). Speed Tracker mach4's advantage is in-app purchases (none vs 6) and iOS requirement (9 vs 17.0). On price, update cadence, ads and device support 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. Eagle Ballistics sells 6 in-app purchases, starting at $2.99 per month. Speed Tracker mach4 asks for nothing beyond the download.
Eagle Ballistics holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: Eagle Ballistics has 30 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 50% of Speed Tracker mach4's written reviews are positive against 75% of Eagle Ballistics's.
Speed Tracker mach4 ships an update every 6 weeks, Eagle Ballistics monthly. The most recent releases landed on September 13, 2026 and September 26, 2026 respectively.
| Parameter | Speed Tracker mach4 | Eagle Ballistics |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) | 4.8 (30 ratings) — better |
| Positive reviews | 50.0% of reviews | 75.0% of reviews — better |
| Number of ratings | 3 | 30 — better |
| Update frequency | Every 6 weeks | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, Apple Watch |
| Requires iOS | 9 — better | 17.0 |
| Further details — not scored | ||
| Size | 78 MB | 12 MB |
| Age rating | 4+ | 17+ |
| Developer | nVisti | Eagle Ballistics LLC |
Customer experience
Speed Tracker mach4
Eagle Ballistics
In-app purchases
Speed Tracker mach4
No in-app purchases
Eagle Ballistics
- Lite$2.991 Month
- Long Range Monthly$4.991 Month
- PRS$9.991 Month
Show 3 moreShow fewer
- Lite$14.991 Year
- Long Range$24.991 Year
- PRS$74.991 Year
Questions
Is Speed Tracker mach4 free?
Is Eagle Ballistics free?
Which has better reviews, Speed Tracker mach4 or Eagle Ballistics?
Do Speed Tracker mach4 or Eagle Ballistics have ads?
Which is updated more often, Speed Tracker mach4 or Eagle Ballistics?
Other comparisons















