TrueData vs The DOPE Log Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TrueData
This app calculates ballistic data for rifles and bullets, factoring in weather and distance. It offers advanced features like muzzle velocity and BC truing, extensive bullet libraries, and customizable rifle and bullet profiles. Exportable trajectory tables and real-time weather integration enhance accuracy for shooters.
- Ballistic calculations
- Real-time weather integration
- Extensive bullet libraries
- Customizable rifle and bullet profiles
- Trajectory table generation
- Muzzle velocity and BC truing
- Spin drift calculation
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Set up your rifles and bullets, refresh the weather and drag out your distance. Turret clicks are calculated on the fly and displayed instantly. Includes the full Sierra and Barnes bullet libraries and Doppler Data, plus: • Muzzle Velocity truing feature • BC truing feature • Barnes Doppler Library • Sierra Doppler Library • Multiple weather input options for any scenario or equipment • Elevation offset option for rifle zero • Intuitive, modern interface • Quickly dial in the wind and target distance • Calculates multiple click adjustments in MRAD or MOA • Supports combinations of metric and imperial • Supports ICAO and US Metro units • Supports G7, G1 and many other drag models • Supports either single, or up to 6 BC entries • Create and save your own rifles and bullets • Quickly view and duplicate bullets and rifles • Calculates spin drift • Retrieves weather at your location • Allows overriding temperature, humidity, air pressure • Automatically detects shooting angle (up/dn) • Generates trajectory tables showing zero and transonic zone • Ability to export trajectories as CSV/TSV/Pipe and PDF Report • Displays equivalent 1 MOA & MRAD when choosing distance • Displays equivalent 1 click of current scope at distance • Haptic feedback for positive button presses • Export your settings, rifles and bullets to Google Drive, DropBox, Email... • Import your settings, rifles and bullets to make switching devices easier • Add multiple distances to view a convenient Target Card • Connect your Bluetooth weather device for real-time changes (currently supports Calypso, Kestrel, Skywatch and WeatherFlow) • Account for weather conditions while zeroing (Zero Weather) • Allow for variations in powder temperature with a simple interface • Allow for chronograph distance in bullet velocity • Fine tune your exact Wind Direction in a popup • Convenient Training Timer • Quick compass option in the Wind card • Virtual Range Finder estimates your target distance via GPS • Select basic or detailed form entry options in settings • Adjust your rifle's Scope Scale Factor • Round trajectories to your scope's clicks
The DOPE Log Pro
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# The DOPE Log Pro™ ### Powered by Castleguard Armory The Complete Shooter Operating System™ The DOPE Log Pro™ was built by shooters for shooters. Whether you're a precision rifle competitor, hunter, reloader, firearms enthusiast, or collector, The DOPE Log Pro™ provides the tools needed to organize, track, and manage critical shooting data in one powerful application. Stop relying on notebooks, spreadsheets, screenshots, and multiple apps. Keep your shooting records organized and accessible wherever you go. ## Features ### Ballistic Calculator Generate ballistic solutions using rifle, ammunition, optic, chronograph, and atmospheric data. * Elevation adjustments * Windage corrections * Environmental inputs * Atmospheric calculations * Optic profile integration * Chronograph velocity support ### DOPE Logs Record and manage Data On Previous Engagement (DOPE). * Store verified firing solutions * Track environmental conditions * Save range notes * Organize historical shooting data ### Session Logs Track performance at the range. * Round count tracking * Hit and miss tracking * Accuracy percentages * Environmental data capture * Session notes * Final elevation and windage corrections ### Gun Safe Inventory Organize and manage your collection. Track: * Firearms * Optics * Suppressors * Knives * Ammunition Store: * Photos * Receipts * Supporting documents * NFA paperwork ### Ammo Inventory & Library Manage ammunition inventory and ballistic data. * Ammunition inventory tracking * Bullet profile management * Chronograph velocity records * Local ammunition catalog * UPC barcode scanning ### Optic Profiles Create optic-specific profiles for improved ballistic calculations. * Mount height * Turret adjustment values * Zero distance tracking * Adjustment calculations ### Security & Privacy The DOPE Log Pro™ is designed around a privacy-first approach. * Local-first data storage * PIN protection * User-controlled backups * No cloud account required Your data remains under your control. ### Weather & Location Integration Capture atmospheric conditions directly from your device. * Temperature * Humidity * Pressure * Wind conditions * Elevation * Density altitude calculations ### Subscription Features Upgrade to Pro for expanded capabilities and unlimited access to premium features. Available plans: * Monthly Pro Subscription * Annual Pro Subscription Subscription purchases are managed securely through Apple. ## Built for Shooters The DOPE Log Pro™ is ideal for: * Precision rifle shooters * Long-range shooters * PRS competitors * NRL competitors * Hunters * Reloaders * Firearms collectors * Shooting enthusiasts ## Privacy First The DOPE Log Pro™ is designed to keep your records organized while maintaining control of your information. Firearm records, session logs, inventory data, and supporting documents are intended to remain stored on your device unless you choose to export or back them up. ## Support Need assistance? Visit: https://www.castleguardarmory.com/the-dope-log-support Privacy Policy: https://www.castleguardarmory.com/app-privacy-policy Terms of Service: https://www.castleguardarmory.com/the-dope-log-terms-of-service The DOPE Log Pro™ Powered by Castleguard Armory
Screenshots
Verdict
The clearest difference is in-app purchases: TrueData at none against The DOPE Log Pro's 3. The DOPE Log Pro's advantage is update cadence (every 5 days vs every 4 weeks). On price, ads, device support and iOS requirement 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. The DOPE Log Pro sells 3 in-app purchases, starting at $7.99 per month. TrueData asks for nothing beyond the download.
TrueData ships an update every 4 weeks, The DOPE Log Pro every 5 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | TrueData | The DOPE Log Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (12 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 12 — better | — |
| Update frequency | Every 4 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 16.4 |
| Further details — not scored | ||
| Size | 32 MB | 59 MB |
| Age rating | 17+ | 4+ |
| Developer | Sierra Bullets LLC | Castleguard Armory LLC |
In-app purchases
TrueData
No in-app purchases
The DOPE Log Pro
- Castleguard Armory$7.991 Month
- Castleguard Armory$79.991 Year
- The Dope Log ProFree
Questions
Is TrueData free?
Is The DOPE Log Pro free?
Do TrueData or The DOPE Log Pro have ads?
Which is updated more often, TrueData or The DOPE Log Pro?
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