Pacecat Path vs BD
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Pacecat Path
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Pacecat Path is your dedicated ballistics-calculator companion app designed for the Pacecat rangefinder. With seamless device connection, environmental input, and model selection, this app delivers real-time ballistics resultsβdistance compensation, wind drift, trajectory curvesβall at your fingertips for field use or training.
BD
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App Name: BD-Engine Subtitle: Wireless Ballistic Calculator Description: BD-Engine is a professional ballistic calculator that connects wirelessly to the BD-Engine hardware module via Bluetooth Low Energy, delivering real-time, high-precision trajectory computation. Built for precision shooters, BD-Engine provides fast and accurate firing solutions with the power of a dedicated solver and the simplicity of a mobile app. Key Features: Instant Wireless Pairing β Connect to the BD-Engine module over BLE in seconds. Auto-reconnect remembers your last device. 3DOF Ballistic Solver β Advanced three-degree-of-freedom trajectory computation for accuracy at any range. G1 & G7 Drag Models β Supports both industry-standard drag functions for precise bullet matching across all common calibers. Full Environment Setup β Temperature, pressure, humidity, altitude, wind speed and direction, shooting angle, and muzzle cant β all at your fingertips. Real-Time Trajectory Table β View drop, windage, velocity, and time-of-flight at every range increment. Verify your zero with a dedicated check distance. Custom Bullet Profiles β Configure caliber, weight, ballistic coefficient, and twist rate for your exact load. Dual Unit System β Toggle between metric and imperial units on the fly. Standalone Operation β Once configured, the hardware module computes trajectories independently β no phone required for firing solutions. BD-Engine combines dedicated ballistic hardware with an intuitive iPhone interface for shooters who demand precision. Note: Requires a device equipped with the BD-Engine BLE hardware module (sold separately).
Screenshots
Verdict
The clearest difference is update cadence: Pacecat Path at every 10 days against BD's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Pacecat Path ships an update every 10 days, BD every 3 months. The most recent releases landed on May 15, 2026 and September 12, 2026 respectively.
| Parameter | Pacecat Path | BD |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 days β better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod β better |
| Requires iOS | 15.0 β better | 15.6 |
| Further details β not scored | ||
| Size | 11 MB | 18 MB |
| Age rating | 17+ | 4+ |
| Developer | Zhejiang Lanying Intelligence Technology Co., Ltd. | Shenzhen Rierxing Electronics Co., Ltd |
In-app purchases
Pacecat Path
No in-app purchases
BD
No in-app purchases





