# SIG BDX vs FieldSolve

The clearest difference is update cadence: FieldSolve at every 4 days against SIG BDX's every 3 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.

SIG BDX ships an update every 3 weeks, FieldSolve every 4 days. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SIG BDX | FieldSolve |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (68 ratings)](https://appshunter.io/ios/app/sig-bdx/id1403025894/reviews)** | — |
| Number of ratings | **68** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 137 MB | 28 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Sig Sauer, Inc.](https://appshunter.io/developer/1114396362) | [EX Corporation Oy](https://appshunter.io/developer/1391053704) |

## What reviewers say

### SIG BDX

[App page](https://appshunter.io/ios/app/sig-bdx/id1403025894)

This application connects a rangefinder to a riflescope, displaying an illuminated holdover dot for precise aiming. It facilitates syncing devices and provides ballistic data for accurate shots up to 800 yards.

**Highlights:** Sync rangefinder with riflescope, Display illuminated holdover dot, Measure target distance, Ballistic data integration, Connect The Dot™ system

**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 SIG BDX free?

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

### Is FieldSolve free?

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

### Do SIG BDX or FieldSolve have ads?

Neither SIG BDX nor FieldSolve shows ads.

### Which is updated more often, SIG BDX or FieldSolve?

SIG BDX ships an update every 3 weeks, and FieldSolve every 4 days. Most recently, SIG BDX was updated on October 11, 2026 and FieldSolve on October 10, 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.*