# Span Calc vs Woodworker's Toolbox

The clearest difference is price: Span Calc at Free against Woodworker's Toolbox's $9.99. Span Calc also leads on update cadence (every 10 days vs every 5 weeks) and device support (3 vs 1). Woodworker's Toolbox's advantage is rating (5.0 vs 2.9) and review sentiment (50% vs 30%). On ads and in-app purchases there is nothing between them.

Span Calc is free to download; Woodworker's Toolbox costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Woodworker's Toolbox holds the better App Store score, 5.0 against 2.9. Both are backed by a comparable volume of ratings — 15 and 4 respectively. Written reviews point the same way: 30% of Span Calc's written reviews are positive against 50% of Woodworker's Toolbox's.

Span Calc ships an update every 10 days, Woodworker's Toolbox every 5 weeks. The most recent releases landed on October 12, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Span Calc | Woodworker's Toolbox |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | [2.9 (15 ratings)](https://appshunter.io/ios/app/span-calc/id380481343/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/woodworkers-toolbox/id6758488541/reviews)** |
| Number of ratings | **15** | 4 |
| Positive reviews | 29.6% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 5 weeks |
| Monetization | **Free** | Paid |
| Size | 168 MB | 17 MB |
| Requires iOS | **14.2** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [American Wood Council](https://appshunter.io/developer/380481346) | [Jeffrey Paquette](https://appshunter.io/developer/1873162837) |

## 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


### Woodworker's Toolbox

[App page](https://appshunter.io/ios/app/woodworkers-toolbox/id6758488541)

This app provides essential tools for woodworkers, including a fraction calculator that handles measurements in fractions, decimals, or metric. It also features a board feet calculator for lumber cost estimation and a drill bit selector to find the right size bit for your needs.

**Highlights:** Fraction calculator, Board feet calculator, Drill bit selector, Large buttons for shop use, One-handed operation, No account or data collection

**In-app purchases:** none


## Frequently asked questions

### Is Span Calc free?

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

### Is Woodworker's Toolbox free?

Woodworker's Toolbox costs $9.99, with no in-app purchases.

### Which has better reviews, Span Calc or Woodworker's Toolbox?

Woodworker's Toolbox is rated higher. Span Calc averages 2.9 out of 5 from 15 ratings, while Woodworker's Toolbox averages 5.0 from 4 ratings.

### Do Span Calc or Woodworker's Toolbox have ads?

Neither Span Calc nor Woodworker's Toolbox shows ads.

### Which is updated more often, Span Calc or Woodworker's Toolbox?

Span Calc ships an update every 10 days, and Woodworker's Toolbox every 5 weeks. Most recently, Span Calc was updated on October 12, 2026 and Woodworker's Toolbox on October 15, 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.*