TrueData is made and published by Sierra Bullets. AppBrain is an independent app data site and isn't affiliated with Sierra Bullets. The app name, icon, screenshots and description belong to Sierra Bullets and are shown as published on Google Play.
AppBrain's verdict
Niche- Rating on Google Play
- 3.80
- 12 ratings
- Installs
- 6.6 thousand
- Last updated
- October 9, 2026
- Ads
- No ads
- Size
- 25.3 MB
TrueData is a niche app, with 6.6 thousand installs. It doesn't have enough ratings yet to judge what users think.
Summary
TrueData is a comprehensive rifle ballistics calculator that combines Sierra and Barnes bullet libraries with Doppler data for precise trajectory predictions. It offers live windage adjustments, multiple weather inputs, MRAD/MOA calculations, and flexible export options to CSV, TSV, or PDF. With 5,000+ total downloads and a 3.80 rating from 12 users, it stands out in sports-focused ballistic tools.
Pros & Cons
- Integrates comprehensive Sierra & Barnes bullet libraries
- Includes Doppler data libraries for improved accuracy
- MRAD/MOA support with both metric and imperial units
- Export trajectories and settings to CSV/TSV/PDF and cloud services
- Extensive permission set (location, Bluetooth, advertising IDs, etc.) may raise privacy concerns for some users
User feedback
Ratings and reviews on Google PlayComments on TrueData for Android
Google Play Rating history and histogram
Store listing
By Sierra Bullets, from Google Play“Ballistics Calculator”
Description by Sierra Bullets Written by the developer, not by AppBrain. Click to read.
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 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
Recent changes:
Added support for Calypso Ultrasonic MINI wind reader.
Features include live wind readings and live windage adjustments (MOA/MIL).
Safety and technology
Found in the app by AppBrain- Ads
- No ads
- Price
- Free
- Libraries
- ?
- App size
- 25.3 MB
- Content rating
- High
Technologies used by TrueData
Releases
Updates seen on Google Play- Version
- 3.0.0
- Launched
- December 2025
Alternatives
Similar apps and more from Sierra BulletsAlternatives to TrueData
Also available on the App Store
Installs
Tracked by AppBrain- Last 30 days
- 1.4 thousand
- Per day
- 45
- 30-day average
- Play install range
- 5+ thousand
- Launched
- December 2025
Installs over time
TrueData has been installed 6.6 thousand times. Over the past 30 days, it averaged 45 installs per day.
Rankings
Google Play top chartsGoogle Play Rankings for TrueData
About the app and developer
About TrueData
TrueData is a sports app developed by Sierra Bullets.
Install Statistics
TrueData has been downloaded 6.6 thousand times. In the last 30 days, the app was downloaded 1.4 thousand times.
User Ratings
TrueData is rated 3.80 out of 5 stars. The rating is based on 12 ratings.
App Information
TrueData is freely available from Google Play. The APK size is 25.35 MB. The latest APK version available is 3.0.0. The last update was on October 9, 2026.
Technical Requirements
The app has a content rating of High Maturity. The app has been available on Google Play since December 2025.
App Performance Report
Get a detailed PDF report for TrueData with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
Get PDF Report — $29Developer information for Sierra Bullets
Frequently asked questions about TrueData
Is TrueData free?
Yes. TrueData is free on Google Play.
Is TrueData still available?
Yes. TrueData is on Google Play, and the last update we saw was on October 9, 2026.
Does TrueData contain ads?
No. Google Play does not list TrueData as containing ads.
How large is TrueData?
TrueData is 25.35 MB.
Is TrueData suitable for children?
Google Play gives TrueData a high maturity rating. It is meant for adults.
How many times has TrueData been installed?
Google Play lists 5,000+ installs for TrueData.
How do people rate TrueData?
TrueData scores 3.80 out of 5 stars, from 12 ratings on Google Play.
Who made TrueData?
TrueData was developed by Sierra Bullets. It is listed in the sports category on Google Play.
What are the best alternatives to TrueData?
People looking at TrueData also look at these sports apps: Ballistics Calculator 2026, Revic Ops, Element Ballistics, Lapua Ballistics, Hornady.