# SIG BDX vs The DOPE Log Pro

The clearest difference is in-app purchases: SIG BDX at none against The DOPE Log Pro's 3. The DOPE Log Pro's advantage is update cadence (every 5 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. The DOPE Log Pro sells 3 in-app purchases, starting at $7.99 per month. SIG BDX asks for nothing beyond the download.

SIG BDX ships an update every 3 weeks, The DOPE Log Pro every 5 days. The most recent releases landed on October 22, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | SIG BDX | The DOPE Log Pro |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 137 MB | 59 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sig Sauer, Inc.](https://appshunter.io/developer/1114396362) | [Castleguard Armory LLC](https://appshunter.io/developer/6785469681) |

## 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


### The DOPE Log Pro

[App page](https://appshunter.io/ios/app/the-dope-log-pro/id6785558731)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Castleguard Armory | $7.99 | per month |
| Castleguard Armory | $79.99 | per year |
| The Dope Log Pro | Free | one-time |


## Frequently asked questions

### Is SIG BDX free?

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

### Is The DOPE Log Pro free?

The DOPE Log Pro is free to download, with in-app purchases available.

### Do SIG BDX or The DOPE Log Pro have ads?

Neither SIG BDX nor The DOPE Log Pro shows ads.

### Which is updated more often, SIG BDX or The DOPE Log Pro?

SIG BDX ships an update every 3 weeks, and The DOPE Log Pro every 5 days. Most recently, SIG BDX was updated on October 22, 2026 and The DOPE Log Pro on October 6, 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.*