# TrueData vs FieldSolve

The clearest difference is update cadence: FieldSolve at every 4 days against TrueData's every 4 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TrueData ships an update every 4 weeks, FieldSolve every 4 days. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | TrueData | FieldSolve |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (11 ratings)](https://appshunter.io/ios/app/truedata/id6755197795/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 32 MB | 28 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Sierra Bullets LLC](https://appshunter.io/developer/1450057822) | [EX Corporation Oy](https://appshunter.io/developer/1391053704) |

## What reviewers say

### TrueData

[App page](https://appshunter.io/ios/app/truedata/id6755197795)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### FieldSolve

[App page](https://appshunter.io/ios/app/fieldsolve-ballistic-calc/id6788091639)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TrueData free?

TrueData is free to download, with no in-app purchases.

### Is FieldSolve free?

FieldSolve is free to download, with no in-app purchases.

### Do TrueData or FieldSolve have ads?

Neither TrueData nor FieldSolve shows ads.

### Which is updated more often, TrueData or FieldSolve?

TrueData ships an update every 4 weeks, and FieldSolve every 4 days. Most recently, TrueData was updated on October 28, 2026 and FieldSolve on October 29, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*