# TrueData — Ballistics Calculator

> Ballistics calculator for rifles and bullets with real-time weather integration. (iPhone/iPad app by Sierra Bullets LLC.)

- Source: https://appshunter.io/ios/app/truedata/id6755197795 (this page in markdown: same URL + `.md`)
- Developer: [Sierra Bullets LLC](https://appshunter.io/developer/1450057822)
- Category: Sports, Utilities
- Price: Free
- Rating: 5.00/5 from 11 App Store ratings · 5 written reviews indexed
- Age rating: 17+
- Requires: iOS 15.6 · 31 MB
- Languages: American English
- Released: 2025-12-18
- Data updated: 2026-08-15
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/truedata/id6755197795/reviews.md

## What is TrueData?

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 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

## Key features

- 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

## Recent user reviews (5 of 5)

All indexed reviews: https://appshunter.io/ios/app/truedata/id6755197795/reviews.md

### 5/5 — Easy

*2026-04-17*

Easiest app to use

### 5/5 — Intuitive and Easy

*2026-04-16*

Best ballistic app on the market. It’s so much easier to run than Hornady or Applied. Has Doppler data and truing capabilities. Crazy how it’s still a free app.

### 5/5 — Ballistics

*2026-01-20*

App is great, can put all my pew pews in and the different set ups.  Have ran it out to 1200 yards and works perfect.

### 5/5 — Best Ballistics Solver

*2026-01-06*

This has helped to up my distance I feel accurate! The data is true!

### 5/5 — Easiest Calculator

*2026-01-02*

This app is incredibly intuitive and user-friendly. With so many ways to input data and the output being such good quality, this is easily the best ballistic calculator in a crowded market!

## Frequently asked questions about TrueData

### What rifles and bullets can TrueData calculate ballistics for?

TrueData supports setup for your rifles and bullets, including full Sierra and Barnes bullet libraries. You can create and save your own custom rifles and bullets within the app.

### How does TrueData account for weather conditions?

TrueData offers multiple weather input options and retrieves weather at your location, allowing you to override temperature, humidity, and air pressure. It also accounts for weather conditions while zeroing (Zero Weather).

### Can I export my ballistic data from TrueData?

Yes, TrueData can generate trajectory tables showing the zero and transonic zone. These tables can be exported as CSV, TSV, Pipe, and PDF Report formats.

### Does TrueData support different measurement units?

TrueData supports combinations of metric and imperial units, as well as ICAO and US Metro units for weather data. It also displays equivalent 1 MOA & MRAD and 1 click of current scope at distance.

### How often is TrueData updated?

The latest version of TrueData is 1.1.0, which was last updated on January 20, 2026. Updates typically include new features, bug fixes, and library expansions.

### What devices is TrueData compatible with?

TrueData is currently supported on iPhone and iPod devices. It is designed for iOS operating systems.

### Does TrueData have ads?

No, TrueData does not contain advertisements. It is a free application without any ad interruptions.

### What is the age rating for TrueData?

TrueData has an age rating of 17+, indicating mature content or themes that may not be suitable for younger users.

## Version history (last 5 releases)

### 2.5 — 2026-07-20

• Added Bridger Watch compatibility 
• Added a setting to change your slider bar's max distance in the HUD
• Bug fixes

### 2.4 — 2026-07-02

• Added Aerodynamic Jump feature
  - Go to Settings to turn ON
• Added Barnes RESERVE 6.8 Western into ammo library

### 2.3 — 2026-06-19

• Added Kestrel Bluetooth connectivity
• Improved average wind speed feature

### 2.2 — 2026-06-13

• added 2026 Sierra Projectiles to the Library 
• added Gyroscopic Stability factor (found under View Bullet)

### 2.1 — 2026-05-11

BC Calibration Bug Fixes

## Apps similar to TrueData

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Lapua Ballistics](https://appshunter.io/ios/app/lapua-ballistics/id1162688042) | 4.7 (3) | Free | Sports |
| [Vihtavuori Reload](https://appshunter.io/ios/app/vihtavuori-reload/id1071540632) | 3.5 (28) | Free | Sports |
| [Eagle Ballistics](https://appshunter.io/ios/app/eagle-ballistics/id6478360431) | 4.8 (30) | Free | Sports |
| [Applied Ballistics Connect](https://appshunter.io/ios/app/applied-ballistics-connect/id1425018283) | 4.7 (3) | Free | Sports |
| [AB Quantum](https://appshunter.io/ios/app/ab-quantum/id785619104) | 4.7 (2,569) | Free | Sports |
| [Ballistic X](https://appshunter.io/ios/app/ballistic-x/id1441335342) | 3.7 (140) | $7.99 | Sports |

## More apps by Sierra Bullets LLC

- [Sierra Reloading Manual v6.0](https://appshunter.io/ios/app/sierra-reloading-manual-v60/id1450071966)

All apps by Sierra Bullets LLC: https://appshunter.io/developer/1450057822

## Related topics

[4dof](https://appshunter.io/ios/topics/4dof) · [hornady ballistics calculator](https://appshunter.io/ios/topics/hornady-ballistics-calculator) · [hornady 4dof](https://appshunter.io/ios/topics/hornady-4dof) · [ballistic calculator remington](https://appshunter.io/ios/topics/ballistic-calculator-remington)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-15.*