CountMyRounds vs TrueData
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CountMyRounds
Easily manage your firearms and ammunition inventory. Track rounds fired, organize your collection, and sync data across devices. Access your information offline for convenience at the range.
- Firearm and ammunition inventory
- Track rounds fired
- Offline data access
- iCloud synchronization
- Dark mode support
- Search and organization
Read full descriptionHide full description
Simple and easy to use gun and ammo management. Keep track of the rounds on each of your guns, and your ammo inventory. Add all your firearms, and new ammunition, and Count My Rounds takes care of the rest for you! * Data stays in your iPhone AND your personal iCloud. Even if you're at the range with no cell connection, your data will be there for you to use. * Once you sign in with Apple, your data will seamlessly synch between your iOS devices (iPhone and iPad). * Dark mode available for better visibility under bright conditions. * Keep track of which ammunition you use on any particular range day. * Organization and search function for your gun collection and ammo inventory.
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
Read full descriptionHide full description
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
Screenshots
Verdict
The clearest difference is review sentiment: TrueData at 100% against CountMyRounds's 50%. TrueData also leads on rating (5.0 vs 4.0) and update cadence (every 4 weeks vs every 5 months). On price, ads, in-app purchases and monetization model 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 4.0. That said, the two scores are not equally well evidenced: TrueData has 11 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 50% of CountMyRounds's written reviews are positive against 100% of TrueData's.
CountMyRounds ships an update every 5 months, TrueData every 4 weeks. Both last shipped on October 30, 2026.
| Parameter | CountMyRounds | TrueData |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) | 5.0 (11 ratings) — better |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 | 11 — better |
| Update frequency | Every 5 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17 | 15.6 — better |
| Further details — not scored | ||
| Size | 7 MB | 32 MB |
| Age rating | 17+ | 17+ |
| Developer | The Blk Rock, LLC | Sierra Bullets LLC |
Customer experience
CountMyRounds
TrueData
In-app purchases
CountMyRounds
No in-app purchases
TrueData
No in-app purchases
Questions
Is CountMyRounds free?
Is TrueData free?
Which has better reviews, CountMyRounds or TrueData?
Do CountMyRounds or TrueData have ads?
Which is updated more often, CountMyRounds or TrueData?
Other comparisons















