SubMOA vs TrueData
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SubMOA
This app helps shooting sports enthusiasts analyze target pictures to calculate group size and point of impact. It allows users to record shooting conditions, equipment, and manage results for record-keeping and sharing.
- Capture and analyze target pictures
- Calculate group size and point of impact
- Record shooting conditions and equipment
- Manage and share shooting results
- Support MOA or MIL units
- Analyze multiple groups on one target
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SubMOA is a mobile app designed for shooting sports enthusiasts, especially precision rifle shooters. Features: 1. Use phone's back camera capture properly scaled target pictures 2. Allow pick target picture from device library 3. Allow manually set actual size on target picture 4. Allow re-analysis target 5. Calculate group size, point of impact by analyzing target picture 6. Generate analyzed target pictures for record keeping and easy sharing 7. Record equipment setup along with the target pictures 8. Record shooting conditions such as temperature, wind condition 9. Manage the records of shooting results 10. Share the target picture from Camera Roll 11. Allow analyze and record multiple groups on the same target 12. Allow user change font size of labels 13. Support metric system 14. Allow user select MOA or MIL as accuracy unit. 15. Calculate group mean radius 16. Allow user attach equipment picture on target
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 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
Screenshots
Verdict
The clearest difference is review sentiment: TrueData at 100% against SubMOA's 46%. TrueData also leads on rating (5.0 vs 3.1). SubMOA's advantage is ratings volume (48 vs 11). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
TrueData holds the better App Store score, 5.0 against 3.1. Both are backed by a comparable volume of ratings — 48 and 11 respectively. Written reviews point the same way: 46% of SubMOA's written reviews are positive against 100% of TrueData's.
SubMOA ships an update monthly, TrueData every 4 weeks. The most recent releases landed on September 28, 2026 and September 22, 2026 respectively.
| Parameter | SubMOA | TrueData |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (48 ratings) | 5.0 (11 ratings) — better |
| Positive reviews | 45.8% of reviews | 100.0% of reviews — better |
| Number of ratings | 48 — better | 11 |
| Update frequency | Monthly | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 12 MB | 31 MB |
| Age rating | 12+ | 17+ |
| Developer | Haiyuan Wang | Sierra Bullets LLC |
Customer experience
SubMOA
TrueData
In-app purchases
SubMOA
No in-app purchases
TrueData
No in-app purchases







