# Speed Tracker mach4 vs Eagle Ballistics

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.

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.

## The numbers

| Metric | Speed Tracker mach4 | Eagle Ballistics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/speed-tracker-mach4/id6446348164/reviews) | **[4.8 (30 ratings)](https://appshunter.io/ios/app/eagle-ballistics/id6478360431/reviews)** |
| Number of ratings | 3 | **30** |
| Positive reviews | 50.0% of reviews | **75.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 78 MB | 12 MB |
| Requires iOS | **9** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [nVisti](https://appshunter.io/developer/1058574940) | [Eagle Ballistics LLC](https://appshunter.io/developer/1732612975) |

## What reviewers say

### 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


### Eagle Ballistics

[App page](https://appshunter.io/ios/app/eagle-ballistics/id6478360431)

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.

**Highlights:** 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

**Features:** Apple Watch app

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lite | $2.99 | per month |
| Long Range Monthly | $4.99 | per month |
| PRS | $9.99 | per month |
| Lite | $14.99 | per year |
| Long Range | $24.99 | per year |
| PRS | $74.99 | per year |


## Frequently asked questions

### Is Speed Tracker mach4 free?

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

### Is Eagle Ballistics free?

Eagle Ballistics is free to download, with in-app purchases available.

### Which has better reviews, Speed Tracker mach4 or Eagle Ballistics?

Eagle Ballistics is rated higher. Speed Tracker mach4 averages 3.7 out of 5 from 3 ratings, while Eagle Ballistics averages 4.8 from 30 ratings.

### Do Speed Tracker mach4 or Eagle Ballistics have ads?

Neither Speed Tracker mach4 nor Eagle Ballistics shows ads.

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

Speed Tracker mach4 ships an update every 6 weeks, and Eagle Ballistics monthly. Most recently, Speed Tracker mach4 was updated on September 13, 2026 and Eagle Ballistics on September 26, 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.*