# SIG BDX vs Impact Scoring

The clearest difference is rating: Impact Scoring at 4.3 against SIG BDX's 3.4. Impact Scoring also leads on review sentiment (67% vs 33%) and update cadence (every 8 days vs every 3 weeks). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Impact Scoring holds the better App Store score, 4.3 against 3.4. Both are backed by a comparable volume of ratings — 68 and 26 respectively. Written reviews point the same way: 33% of SIG BDX's written reviews are positive against 67% of Impact Scoring's.

SIG BDX ships an update every 3 weeks, Impact Scoring every 8 days. The most recent releases landed on October 16, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | SIG BDX | Impact Scoring |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (68 ratings)](https://appshunter.io/ios/app/sig-bdx/id1403025894/reviews) | **[4.3 (26 ratings)](https://appshunter.io/ios/app/impact-scoring/id6702021327/reviews)** |
| Number of ratings | **68** | 26 |
| Positive reviews | 33.3% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Monetization | Free | Free |
| Size | 137 MB | 65 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sig Sauer, Inc.](https://appshunter.io/developer/1114396362) | [Impact Scoring](https://appshunter.io/developer/1769600462) |

## 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


### Impact Scoring

[App page](https://appshunter.io/ios/app/impact-scoring/id6702021327)

This application enhances precision shooting with real-time scoring and detailed analytics. It provides tools for shooters of all skill levels and live video coverage to track performance and refine skills.

**Highlights:** Real-time scoring, Detailed analytics, Live video coverage, Performance tracking, Skill refinement tools, Community connection

**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 Impact Scoring free?

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

### Which has better reviews, SIG BDX or Impact Scoring?

Impact Scoring is rated higher. SIG BDX averages 3.4 out of 5 from 68 ratings, while Impact Scoring averages 4.3 from 26 ratings.

### Do SIG BDX or Impact Scoring have ads?

Neither SIG BDX nor Impact Scoring shows ads.

### Which is updated more often, SIG BDX or Impact Scoring?

SIG BDX ships an update every 3 weeks, and Impact Scoring every 8 days. Most recently, SIG BDX was updated on October 16, 2026 and Impact Scoring on October 19, 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.*