# Span Calc vs Xylorix Inspector

The clearest difference is rating: Span Calc at 3.0 against Xylorix Inspector's 1.3. Span Calc also leads on review sentiment (30% vs 6%) and update cadence (every 10 days vs every 5 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.

Span Calc holds the better App Store score, 3.0 against 1.3. Both are backed by a comparable volume of ratings — 16 and 12 respectively. Written reviews point the same way: 30% of Span Calc's written reviews are positive against 6% of Xylorix Inspector's.

Span Calc ships an update every 10 days, Xylorix Inspector every 5 weeks. The most recent releases landed on October 23, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Span Calc | Xylorix Inspector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (16 ratings)](https://appshunter.io/ios/app/span-calc/id380481343/reviews)** | [1.3 (12 ratings)](https://appshunter.io/ios/app/xylorix-inspector/id1380163985/reviews) |
| Number of ratings | **16** | 12 |
| Positive reviews | **29.6% of reviews** | 6.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 168 MB | 64 MB |
| Requires iOS | **14.2** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [American Wood Council](https://appshunter.io/developer/380481346) | [Agritix Sdn Bhd](https://appshunter.io/developer/1380163984) |

## What reviewers say

### Span Calc

[App page](https://appshunter.io/ios/app/span-calc/id380481343)

Calculate maximum horizontal spans for wood joists and rafters using various lumber species and grades. Compares multiple options for common loading conditions based on NDS® standards.

**Highlights:** Calculates joist and rafter spans, Supports all softwood and hardwood lumber, Uses 2021 NDS® for Wood Construction, Compares multiple species and grades, Handles common loading conditions

**Features:** macOS Compatibility

**In-app purchases:** none


### Xylorix Inspector

[App page](https://appshunter.io/ios/app/xylorix-inspector/id1380163985)

This app uses AI to identify wood species from magnified cross-section images. It requires a specific macro lens attachment for accurate results. The identification process is fast and continuously expanding its database.

**Highlights:** AI-driven wood species identification, 24x magnified anatomical visual analysis, Fast genus/species identification, Requires dedicated macro lens attachment, Expanding timber species database

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Span Calc free?

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

### Is Xylorix Inspector free?

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

### Which has better reviews, Span Calc or Xylorix Inspector?

Span Calc is rated higher. Span Calc averages 3.0 out of 5 from 16 ratings, while Xylorix Inspector averages 1.3 from 12 ratings.

### Do Span Calc or Xylorix Inspector have ads?

Neither Span Calc nor Xylorix Inspector shows ads.

### Which is updated more often, Span Calc or Xylorix Inspector?

Span Calc ships an update every 10 days, and Xylorix Inspector every 5 weeks. Most recently, Span Calc was updated on October 23, 2026 and Xylorix Inspector 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.*